Nouveautés

Faculté

Départements

Formation

Vie estudiantine

Ecole Doctorale

Stages

4C FSS

Accès

Contact

  • Informations générales
  • Spécialités
  • Scolarité & Diplômes
  • Enseignements
  • Activités de recherche
  • Expérience professionnelle
  • Vie associative
  • Autres
Informations générales
Nom & Prénom : HAMADI KHEMAKHEM
Situation familiale : Marié, 3 enfants
Site web : fss.rnu.tn
Adresse :

Faculté des Sciences de Sfax, BP 1171, 3000, Sfax, Tunisie

Télécharger Curriculum vitae
Spécialités
Physique des Matériaux
Scolarité & Diplômes
Diplômes

1991: Maitrise en Physique, Faculté des Sciences de Sfax

1993: DEA en Physique des Solides, Faculté des Sciences de Tunis

1996: Thèse de Doctorat en Physique, Faculté des Sciences de Sfax

1999: Habilitation Universitaire en Physique, Faculté des Sciences de Sfax

 
 
Enseignements
 
Enseignement : Sections et disciplines

Electrostatique et Magnétostatique : MI1, PC1, LFPC1 et LFP1 ; Discipline Physique

Mécanique : PC1, LFPC1, LFP1; Discipline Physique

Optique : LFP1; Discipline Physique

Thermodynamique : LFP1; Discipline Physique

Electromagnétisme : MI2, PC2, LFPC2; Discipline Physique

Propriété de la Matière : LFP3; Discipline Physique

Physique des Diélectrique : Master 1 Physique des Matériaux; Discipline Physique

Transition des phases : Master 2 Physique des Matériaux; Discipline Physique

 
Publications
RG Score
40.25
Publications
191
Reads
16,686
Citations
h-index
1813
24
Skills & Activities
Skills
Ceramics, Materials, Advanced Ceramics, Materials Characterization, Nanomaterials, Solid State Physics, Material Characterization, Perovskites, Inorganic Chemistry, Materials Chemistry, Solid-State Chemistry, Ceramic & Composite, Materials Research, Ferroelectrics, X-ray Diffraction, Materials Processing, Piezoelectricity, Crystal, Single Crystal, Sintering
Languages
Arabic, Arabic, English, French,  French
Scientific Memberships
Laboratory of Ferroelectric Materials, University of Sfax
Interests
 
Articles impactés et indexes

          1- Maria Khacheba, Noura Abdessalem, Ahmed Hamdi, Hamadi Khemakhem: Effect of acceptor and donor dopants (Na, Y) on the microstructure and dielectric characteristics of high Curie point PZT-modified ceramics. Journal of                      Materials Science Materials in Electronics 11/2019;, DOI:10.1007/s10854-019-02535-y2- Wahiba Chatta, Brahim Lagoun, Hamza Lidjici, Abdelhakim Chadli, Abderrahmane             

           2- Cheriet, Hichem Farh, Hamadi Khemakhem, Khenchoul Salah: TB-mBJ Calculations of Structural and Optoelectronic Properties of the Rhombohedral Phase of Bismuth Sodium Titanate (Bi0.5Na0.5)TiO3. Solid State Phenomena                     09/2019; 297:165-172., DOI:10.4028/www.scientific.net/SSP.297.1653- S. Zeroual, H. Lidjici, W. Chatta, H. Khemakhem: Dielectric and Raman spectroscopy studies of             

           3- (Na0.5Bi0.5)TiO3 lead-free ceramic. Cerâmica 06/2019; 65(374):222-226., DOI:10.1590/0366-69132019653742627

4- Olfa Turki, Ahmed Slimani, Laurence Seveyrat, Zina Sassi, Hamadi Khemakhem, Laurent Lebrun: Enhancement of dielectric, piezoelectric, ferroelectric, and electrocaloric properties in slightly doped (Na 0.5 Bi 0.5 ) 0.94 Ba 0.06 TiO 3 ceramic by samarium. Journal of Applied Physics 05/2019; 125(17):174103., DOI:10.1063/1.5083670

5- A. Amouri, M.A. Wederni, N. Abdelmoula, H. Khemakhem: Enhanced multiferroïc properties in Bi(1-x)Y2x/3[Ti0.95(Yb0.5Nb0.5)0.05]xFe(1-x)O3 ceramics. Journal of Alloys and Compounds 04/2019; 794., DOI:10.1016/j.jallcom.2019.04.286

6- N. K. Maaloul, Kraini Mabrouk, K. Khirouni, H. Khemakhem: Effect of Seed Layer and Thermal Annealing on Structural and Optical Properties of Silicon Layers Deposited by PECVD. Journal of Electronic Materials 03/2019; 48(6)., DOI:10.1007/s11664-019-07143-4

7- Mohamed Hassen Khedhri, Najmeddine Abdelmoula, Hamadi Khemakhem, Redouane Douali, Frederic Dubois: Structural, spectroscopic and dielectric properties of Ca-doped BaTiO3. Applied Physics A 02/2019; 125(3)., DOI:10.1007/s00339-019-2487-y

8- Dharmendra Pratap Singh, Benoit Duponchel, Yaochen Lin, Jean-François Blach, Hamadi khemakhem, Christian Legrand, Redouane Douali: Orientation of 4-n-octyl-4’-cyanobiphenyl molecules on graphene oxide surface via electron-phonon interaction and its application in nonlinear electronics. Journal of Materials Chemistry C 01/2019; 7(9)., DOI:10.1039/C8TC05696J

9- N. El Arbi, R. Jemai, K. Khirouni, H. Khemakhem: The Variation of Crystalline Structure Induced by Gas Dilution and Thermal Annealing in Silicon Layers Deposited by PECVD Technique. Silicon 12/2018;, DOI:10.1007/s12633-018-0025-8

10- F. Lawar, J. Belhadi, B. Asbani, B. Manoun, H. Kaddoussi, M. Courty, C. Boudaya, M. El Marssi, H. Khemakhem, A. Lahmar: Structural investigation, dielectric, ferroelectric, and elecrocaloric properties of lead-free Ba(1−x)CaxTi(1−x)(Li1/3Nb2/3)xO3−δ (x = 0.02 and x = 0.07) ceramics. Journal of Materials Science Materials in Electronics 09/2018; 29(2)., DOI:10.1007/s10854-018-9983-2

12- Hamdi Bouzidi, Hanèn Chaker, Mohamed Es-souni, Chiheb Chaker, Hamadi Khemakhem: Structural, Raman, ferroelectric and magnetic studies of the (1-x)BF-xBCT multiferroic system. Journal of Alloys and Compounds 09/2018; 772., DOI:10.1016/j.jallcom.2018.09.105

13- F. Mizouri, N. Abdelmoula, D. Mezzane, H. Khemakhem: Impedance spectroscopy and conduction mechanism of multiferroic Bi 0.8 (Ba 0.9 Ca 0.1 ) 0.8 Fe 0.8 (Ti 0.9 Sn 0.1 ) 0.8 O 3. Journal of Alloys and Compounds 06/2018; 763., DOI:10.1016/j.jallcom.2018.05.353

14- S. Koubaa, D. Linda, H. Khemakhem, A. Kabadou: Crystal structure, phase transitions and dielectric properties of a new layered bimetallic hydrogenselenite: [CuZnCl 2 (H 2 O) 4 ]·(HSeO 3 ) 2. Journal of Alloys and Compounds 04/2018; 740., DOI:10.1016/j.jallcom.2017.12.376

15- M. Zannen, J. Belhadi, M. Benyoussef, H. Khemakhem, K. Zaidat, M. El Marssi, A. Lahmar: Electrostatic energy storage in antiferroelectric like perovskite. Superlattices and Microstructures 03/2018; 127., DOI:10.1016/j.spmi.2018.03.041

16- F. Chaibi, R. Jemai, H. Aguas, H. Khemakhem, K. Khirouni: The effects of argon and helium dilution in the growth of nc-Si:H thin films by plasma-enhanced chemical vapor deposition. Journal of Materials Science 03/2018; 53(18–19)., DOI:10.1007/s10853-017-1791-1

17- I. Zouari, Z. Sassi, Laurence Seveyrat, N. Abdelmoula, L. Lebrun, H. Khemakhem: Structural, dielectric, piezoelectric, ferroelectric and electro-caloric properties of Ba1−xCaxTi0.975(Nb0.5Yb0.5)0.025O3 lead-free ceramics.

18- Houda Zaghouene, Issa Kriaa, Hamadi Khemakhem: Ferroelectric and electrocaloric effect in lead-free (Ba1−xCax)1−3y/2BiyTiO3 ceramics. Materials Science and Engineering B 01/2018; 227:110-115., DOI:10.1016/j.mseb.2017.10.014

19- A. Amouri, S. Aydi, N. Abdelmoula, H. Dammak, H. Khemakhem: Evidence of magnetoelectric coupling in 0.9BiFeO 3 -0.1Ba[Ti 0.95 (Yb 0.5 Nb 0.5 ) 0.05 ]O 3 ceramic. Journal of Alloys and Compounds 12/2017; 739., DOI:10.1016/j.jallcom.2017.12.101

20- A. Hamza, F. Benabdallah, I. Kallel, L. Seveyrat, L. Lebrun, H. Khemakhem: Effect of rare-earth substitution on the electrical properties and Raman spectroscopy of BCTZ ceramics. Journal of Alloys and Compounds 12/2017; 735., DOI:10.1016/j.jallcom.2017.11.351

21- F. Mizouri, I. Kallel, N. Abdelmoula, D. Mezzane, H. Khemakhem: Structural dielectric and magnetic properties of (1-x)BiFeO 3 -xBa 0.9 Ca 0.1 Ti 0.9 Sn 0.1 O 3 ceramics. Journal of Alloys and Compounds 10/2017; 731., DOI:10.1016/j.jallcom.2017.10.066

22- C. Chalfouh, A. Lahmar, N. Abdelmoula, H. Khemakhem: Structural and dielectrics properties of Pr 3+ doped BaTi 0.925 (Yb 0.5 Nb 0.5 ) 0.075 O 3 ceramics. Journal of Alloys and Compounds 09/2017; 729., DOI:10.1016/j.jallcom.2017.09.208

23- I. Ghamgui, A. Aydi, Z. Sassi, L. Seveyrat, V. Perrin, A. Maalej, L. Lebrun, H. Khemakhem: Structural, dielectric and impedance spectroscopy studies of (Na0.5Bi0.5)(Zr0.025Ti0.975)O3 ceramic. Journal of Materials Science Materials in Electronics 08/2017; 28(23)., DOI:10.1007/s10854-017-7682-z

24- M. Ben Abdessalem, S. Aydi, A. Aydi, N. Abdelmoula, Z. Sassi, H. Khemakhem: Polymorphic phase transition and morphotropic phase boundary in Ba1−x Ca x Ti1−y Zr y O3 ceramics. Applied Physics A 08/2017; 123(9)., DOI:10.1007/s00339-017-1196-7

25- I. Zouari, Z. Abdelkafi, L. Seveyrat, Z. Sassi, V. Perrin, N. Abdelmoula, L. Lebrun, H. Khemakhem: Improved piezoelectric and electro-caloric effects in the BaTi 0.975 (Nb 0.5 Yb 0.5 ) 0.025 O 3 lead-free ceramic characterized by phase-coexistence at room temperature. Materials Chemistry and Physics 07/2017; 200., DOI:10.1016/j.matchemphys.2017.07.075

26- Ahmed Slimani, Hamadi Khemakhem, Kamel Boukheddaden: Structural synergy in a core-shell spin crossover nanoparticle investigated by an electroelastic model. 05/2017; 95(17)., DOI:10.1103/PhysRevB.95.174104

27- Imen Djemel, Issa Kriaa, Najmeddine Abdelmoula, Hamadi Khemakhem: The effect of low Sn doping on the dielectric and electrocaloric properties of ferroelectric ceramics Ba 0.95 Sr 0.05 Ti 0.95 Zr 0.05 O 3. Journal of Alloys and Compounds 05/2017; 720., DOI:10.1016/j.jallcom.2017.05.284

28- H. Kaddoussi, A. Lahmar, Y. Gagou, B. Manoun, J.N. Chotard, J.-L. Dellis, Z. Kutnjak, H. Khemakhem, B. Elouadi, M. El Marssi: Sequence of structural transitions and electrocaloric properties in (Ba1-xCax)(Zr0.1Ti0.9)O3 ceramics. Journal of Alloys and Compounds 04/2017; 713., DOI:10.1016/j.jallcom.2017.04.148

29- L. Ben Abdessalem, S. Aydi, A. Aydi, Z. Sassi, A. Maalej, H. Khemakhem: X-ray diffraction, dielectric, and Raman spectroscopy studies of BaSrTiO3–NaNbO3 ceramic. Applied Physics A 04/2017; 123(5)., DOI:10.1007/s00339-017-0920-7

30- C. Chalfouh, A. Lahmar, S. Zghal, R. Hannachi, N. Abdelmoula, H. Khemakhem: Effects of lanthanide amphoteric incorporation on structural, electrical, and photoluminescence properties of BaTi0.925(Yb0.5Nb0.5)0.075O3 ceramic. Journal of Alloys and Compounds 04/2017; 711., DOI:10.1016/j.jallcom.2017.03.351

31- Sonia Chihaoui, Hanèn Chaker, Chiheb Chaker, Hamadi Khemakhem: X-ray diffraction, dielectric and Raman studies of the Ba 1-x Na x Ti 1-x (Nb 1-y Sb y ) x O 3 ceramics. Ceramics International 04/2017; 43(12)., DOI:10.1016/j.ceramint.2017.04.032

32- A. Amouri, H. Abdelkefi, N. Abdelmoula, H. Khemakhem: Phase transition behavior and ferroelectric and vibrational properties of (Na0.5Bi0.5)1−x Ba x Ti1−x (Fe0.5Nb0.5) x O3 ceramics. Journal of Materials Science 04/2017; 52(7)., DOI:10.1007/s10853-016-0649-2

33- I. Zouari, Z. Sassi, L. Seveyrat, V. Perrin, S. Zghal, N. Abdelmoula, L. Lebrun, H. Khemakhem: Effects of Er3+ and Pr3+ Substitution on Structural, Dielectric, Ferroelectric and Photoluminescence Properties of the BaTi0.9Zr0.1O3 Ceramic. Journal of Electronic Materials 03/2017; 46(7):1-8., DOI:10.1007/s11664-017-5451-7

34- M. Zannen, A. Lahmar, Z. Kutnjak, J. Belhadi, H. Khemakhem, M. El Marssi: Electrocaloric effect and energy storage in lead free Gd 0.02 Na 0.5 Bi 0.48 TiO 3 ceramic.

35- M Zannen, A Lahmar, Z Kutnjak, J Belhadi, H Khemakhem, M El Marssi: Electrocaloric effect and energy storage in lead free Gd 0.02 Na 0.48 Bi 0.5 TiO 3 ceramic. Solid State Sciences 02/2017;

36- Issa Kriaa, Ahmed Maalej, Hamadi Khemakhem: Electrocaloric Study Effect in the Relaxor Ferroelectric Ceramic 0.9(0.75PMN-0.25PT)-0.1PS. Journal of Electronic Materials 02/2017; 46(4)., DOI:10.1007/s11664-017-5336-9

37- G. Khasskhoussi, Z. Abdelkafi, H. Khelifi, N. Abdelmoula, D. Mezzane, H. Khemakhem: Improved dielectric and ferromagnetic properties of Fe-site substituted rhombohedral structured BiFeO3 ceramic. Journal of Alloys and Compounds 01/2017; 701., DOI:10.1016/j.jallcom.2017.01.120

38- A Lahmar, J Belhadi, M El Marssi, M Zannen, H Khemakhem, N Al-Dahoudi: Energy storage property of Lead-free Na 0.5 Bi 0.5 TiO 3 ceramic and thin film.

39- H. Lidjici, B. Lagoun, H. Khemakhem: Dielectric and Raman Studies of 0.935(Bi 0.5 Na 0.5 TiO 3 )-0.065BaTiO 3 Lead Free Ceramics. Acta Physica Polonica Series a 12/2016; 130(6):1431-1434., DOI:10.12693/APhysPolA.130.1431

40- Souad Chkoundali, Faouzi Hlel, Hamadi Khemekhem: Synthesis, crystal structure, thermal and dielectric properties of tetrapropylammonium tetrabromozincate [N(C3H7)4]2[ZnBr4] compound. Applied Physics A 12/2016; 122(12)., DOI:10.1007/s00339-016-0596-4

41- S. Chihaoui, L. Seveyrat, V. Perrin, I. Kallel, L. Lebrun, H. Khemakhem: Structural evolution and electrical characteristics of Sn-doped Ba0.8Sr0.2TiO3 ceramics. Ceramics International 09/2016; 43(1)., DOI:10.1016/j.ceramint.2016.09.176

42- Dhifallah Nabil, Bernard Hehlen, Mimoun El Marssi, Dammak Mohamed, Hamadi Khemakhem: Soft-mode spectroscopy in cubic (Ba0.8Sr0.2)Ti0.95(Zn1/3Nb2/3)0.05O3 by Hyper-Raman scattering and the mechanism of the phase transition. Solid State Communications 09/2016; 248., DOI:10.1016/j.ssc.2016.09.016

43- Z. Abdelkafi, N. Abdelmoula, H. Khemakhem: Temperature Evolution of Physical Properties of BaTi0.9(Nb0.5Yb0.5)0.1O3 Lead-Free Ceramic. Journal of Electronic Materials 08/2016; 45(11)., DOI:10.1007/s11664-016-4845-2

44- O. Turki, A. Slimani, L. Seveyrat, G. Sebald, V. Perrin, Z. Sassi, H. Khemakhem, L. Lebrun: Structural, dielectric, ferroelectric, and electrocaloric properties of 2% Gd2O3 doping (Na0.5Bi0.5)0.94Ba0.06TiO3 ceramics. Journal of Applied Physics 08/2016; 120(054102)., DOI:10.1063/1.4960141

45- Moneim Zannen, Abdelilah Lahmar, Hamadi Khemakhem, Mimoun El Marssi: Energy storage property in lead free Gd doped Na 1/2 Bi 1/2 TiO 3 ceramics. Solid State Communications 07/2016; 245., DOI:10.1016/j.ssc.2016.07.010

46- N. Dhifallah, B. Hehlen, M. Dammak, H. Khemakhem: Phase formation and dielectric study of Bi doped (Ba0.8Sr0.2)Ti0.95(Zn1/3Nb2/3)0.05O3 ceramic. Materials Chemistry and Physics 06/2016; 181., DOI:10.1016/j.matchemphys.2016.06.047

47- C. Chalfouh, S. Zaghal, A. Lahmar, Z. Sassi, N. Abdelmoula, H. Khemakhem: Effect of Pr3+ doping on structural, electrical, and optical properties of BaTi0.925(Yb0.5Nb0.5)0.075O3 ceramics. Journal of Alloys and Compounds 06/2016; 686., DOI:10.1016/j.jallcom.2016.06.035

48- A. Amouri, N. Abdelmoula, H. Khemakhem: Improved multiferroic properties in (1-x)BiFeO3-xBaTi0.95(Yb0.5Nb0.5)0.05O3 system (0 ≤ x ≤ 0.3). Journal of Magnetism and Magnetic Materials 05/2016; 417., DOI:10.1016/j.jmmm.2016.05.088

49- Zayani Jaafar Othman, Sarra Ayed, Adel Matoussi, Hamadi Khemakhem: Optical and Raman studies of Zn1-xMgxO ceramic pellets. Vibrational Spectroscopy 05/2016; 85., DOI:10.1016/j.vibspec.2016.05.001

50- Hamza. Lidjici, Brahim Marfoua, Brahim Laghoun, Mohamed Rguitti, Hamadi Khemakhem: Dielectric properties and relaxor behavior of 0.935(Na0.5Bi0.5)TiO3−0.065BaTiO3 lead free piezoelectric ceramic. Ceramics International 05/2016; 42(11)., DOI:10.1016/j.ceramint.2016.05.029

51- Fethia Abdelli, Chokri Boudaya, H. Khemakhem: Microstructure, X-ray diffraction, dielectric and Raman spectroscopy studies of CaxSryBa1-(y+x)Nb2O6 ceramics. Journal of Alloys and Compounds 04/2016; 683., DOI:10.1016/j.jallcom.2016.04.189

52- Sarra Ayed, Helmi Abdelkefi, Hamadi Khemakhem, Adel Matoussi: Solid State Synthesis and Structural Characterization of Zinc Titanates. Journal of Alloys and Compounds 03/2016; 677., DOI:10.1016/j.jallcom.2016.03.244

53- A. Souissi, M. Amlouk, H. Khemakhem, S. Guermazi: Deep analysis of Raman spectra of ZnO:Mo and ZnO:In sprayed thin films along with LO and TA+LO bands investigation. Superlattices and Microstructures 02/2016; 92., DOI:10.1016/j.spmi.2016.02.024

54- H. Kaddoussi, A. Lahmar, Y. Gagou, B. Asbani, J.-L. Dellis, G. Cordoyiannis, B. Allouche, H. Khemakhem, Z. Kutnjak, M. El Marssi: Indirect and Direct Electrocaloric Measurements of (Ba1−xCax)(Zr0.1Ti0.9)O3 Ceramics (x = 0.05, x = 0.20). Journal of Alloys and Compounds 01/2016; 667., DOI:10.1016/j.jallcom.2016.01.159

55- Nabil Dhifallah, Olfa Turki, Mimoun El Marssi, Mohamed Dammak, Hamadi Khemakhem: Structural and relaxor behavior in lead-free (Ba0.8Sr0.2)Ti1-x(Zn1/3Nb2/3)xO3 ceramics. Ceramics International 01/2016; 42(6)., DOI:10.1016/j.ceramint.2016.01.013

56- H. Kaddoussi, Y. Gagou, A. Lahmar, B. Allouche, J. L. Dellis, M. Courty, H. Khemakhem, M. El Marssi: Ferroelectric phase changes and electrocaloric effects in Ba(Zr0.1Ti0.9)1−x Sn x O3 ceramics solid solution. Journal of Materials Science 12/2015; 51(7)., DOI:10.1007/s10853-015-9663-z

57- I. Kriaa, N. Abdelmoula, A. Maalej, H. Khemakhem: Study of the Electrocaloric Effect in the Relaxor Ferroelectric Ceramic 0.75PMN-0.25PT. Journal of Electronic Materials 09/2015; 44(12)., DOI:10.1007/s11664-015-4051-7

58- Mohamed Kallel, Issa Kriaa, Hamadi Khemakhem: Effect of doping by bismuth on dielectric properties and relaxor behavior in the Ba1-xBi2x/3(Yb0.5Nb0.5)0.05Ti0.95O3 solid solution. Ceramics International 09/2015; 42(1)., DOI:10.1016/j.ceramint.2015.09.078

59- H. Kaddoussia, A.Lahmara, Y.Gagoua, J.-L.Dellisa, H.Khemakhemb, M.ElMarssia: Electro-caloric effectinlead-freeferroelectricBa1-xCax(Zr0.1Ti0.9)0.925 Sn0.075O3 ceramics. Ceramics International 08/2015; 41(10):15103–15110., DOI:10.1016/j.ceramint.2015.08.080

60- Samia Aydi, Mourad Nouiri, Abdelhedi Aydi, Hamadi Khemakhem: Structural and dielectric studies of ferroelectric or relaxor ceramics in the Ca1-xNax (Ti0.5Sn0.5)1-x NbxO3 system. Ceramics International 08/2015; 41(10)., DOI:10.1016/j.ceramint.2015.07.156

61- Z. Abdelkafi, G. Khasskhoussi, N. Abdelmoula, H. Khemakhem: Ferroelectric, piezoelectric and Raman spectroscopy studies of BaTi0.925(Nb0.5Yb0.5)0.075O3 ceramic. Ceramics International 08/2015; 41(10)., DOI:10.1016/j.ceramint.2015.08.011

62- Feres Benabdallah, Catherine Elissalde, U.-Chan Chung Seu, Dominique Michau, Angeline Poulon-Quintin, Marion Gayot, Pascale Garreta, Hamadi Khemakhem, Mario Maglione: Structure–microstructure–property relationships in lead-free BCTZ piezoceramics processed by conventional sintering and spark plasma sintering. Journal of the European Ceramic Society 08/2015; 35(15)., DOI:10.1016/j.jeurceramsoc.2015.06.030

63- H. Khelifi, I. Zouari, S. Habouti, N. Abdelmoula, D. Mezzane, H. Khemakhem, M. Es-Souni: Raman spectroscopy and evidence of magnetic transition in 0.9BiFeO3–0.1Ba0.8Sr0.2TiO3 ceramic. Journal of Alloys and Compounds 07/2015; 638., DOI:10.1016/j.jallcom.2015.02.211

64- Mouhamed Amin Hentati, Hichem Dammak, Hamadi Khemakhem, Nicolas Guiblin, Mai Pham Thi: Dielectric evidence of persistence of polar nanoregions within the ferroelectric phases of (1 - X) Pb (Zn 1 / 3 Nb 2 / 3) O 3 - X PbTiO 3 relaxor ferroelectric system. Journal of Applied Physics 07/2015; 118(3):034104., DOI:10.1063/1.4926877

65- M. Zannen, A. Lahmar, B. Asbani, H. Khemakhem, M. El Marssi, Z. Kutnjak, M. Es Souni: Electrocaloric effect and luminescence properties of lanthanide doped (Na1/2Bi1/2)TiO3 lead free materials. Applied Physics Letters 07/2015; 107(3):032905., DOI:10.1063/1.4927280

66- H. Khelifi, I. Zouari, A. Al-Hajry, N. Abdelmoula, D. Mezzane, H. Khemakhem: Ac conductivity and ferroelectric phase transition of Bi0.7(Ba0.8Sr0.2)0.3Fe0.7Ti0.3O3 ceramic. Ceramics International 07/2015; 41(10)., DOI:10.1016/j.ceramint.2015.06.139

67- A. Amouri, N. Abdelmoula, H. Khemakhem: Structural, dielectric and vibrationnel properties Of Ba(1-x)Bix[Ti0.95(Yb0.5Nb0.5)0.05](1-x)FexO3 ceramics (0≤x≤0.2). Ceramics International 05/2015; 41(9)., DOI:10.1016/j.ceramint.2015.04.094

68- H. Kaddoussi, Y. Gagou, A. Lahmar, J. Belhadi, B. Allouche, J.-L. Dellis, M. Courty, H. Khemakhem, M. El Marssi: Room temperature electro-caloric effect in lead-free Ba(Zr0.1Ti0.9)1−xSnxO3 (x=0, x=0.075) ceramics. Solid State Communications 12/2014; 201., DOI:10.1016/j.ssc.2014.10.003

69- Hamza Lidjici, Brahim Lagoun, Mokhtar Berrahal, Mohamed Rguitti, Med Amine Hentatti, Hamadi Khemakhem: XRD, Raman and electrical studies on the (1−x)(Na0.5Bi0.5)TiO3−xBaTiO3 lead free ceramics. Journal of Alloys and Compounds 08/2014; 618C., DOI:10.1016/j.jallcom.2014.08.161

70- H. Kaddoussi, N. Abdelmoula, Y. Gagou, D. Mezzane, H. Khemakhem, M. Elmarssi: X-ray diffraction, dielectric and Raman spectroscopy studies of Ba1−xNd2x/3(Ti0.9Zr0.1)O3 ceramics. Ceramics International 08/2014; 40(7):10255–10261., DOI:10.1016/j.ceramint.2014.02.115

71- A. Amouri, J. Rouquette, B. Hehlen, J. L. Sauvajol, H. Khemakhem: Physical properties of new, lead free (Na0.5Bi0.5)(1−x)BaxTi(1−x)(Fe0.5Nb0.5)xO3 ceramics. Ceramics International 07/2014; 40(6):8219-8227., DOI:10.1016/j.ceramint.2014.01.019

72- A. Belboukhari, E. Choukri, Y. Gagou, R. Elmoznine, N. Abdelmoula, A. Neqali, M. El Marssi, H. Khemakhem, D. Mezzane: Investigation on relaxation and conduction mechanism in Pb0.75K0.5Nb2O6 new ferroelectric ceramic. Superlattices and Microstructures 07/2014; 71., DOI:10.1016/j.spmi.2014.03.031

73- Fathi Bahri, Hamadi Khemakhem: Raman and dielectric investigation of (Ba0.9−xSrxCa0.1)(Ti0.8Zr0.2)O3 ferroelectric ceramics. Ceramics International 07/2014; 40(6):7909–7913., DOI:10.1016/j.ceramint.2013.12.138

74- M Zannen, bullet M Dietze, bullet H Khemakhem, Es-SOUNI: Ferroelectric (Na 1/2 Bi 1/2 )TiO 3 thin films showing photoluminescence properties. Applied Physics A 06/2014; 117(3)., DOI:10.1007/s00339-014-8581-2

75- M Zannen, M Dietze, H Khemakhem, A Kabadou, M Es-Souni: The erbium's amphoteric behavior effects on sodium bismuth titanate properties. Ceramics International 05/2014; 40(8):13461-13469., DOI:10.1016/j.ceramint.2014.05.069

76- Fathi Bahri, Hamadi Khemakhem: Relaxor behavior and dielectric properties of Ba1−xBi2x/3Zr0.15Ti0.85O3 solid solution. Journal of Alloys and Compounds 04/2014; 593:202–206., DOI:10.1016/j.jallcom.2013.12.118

77- S. Ouni, S. Nouri, H. Khemakhem, R. Ben Hassen: Phase transitions, dielectric properties, and vibrational study of stannates perovskites Sr1−xErxSnO3−δ. Materials Research Bulletin 03/2014; 51:136–140., DOI:10.1016/j.materresbull.2013.12.012

78- B Hehlen, A Amouri, A Al-Zein, H Khemakhem: This content has been downloaded from IOPscience. Please scroll down to see the full text. Hyper-Raman and Raman scattering from the polar modes of PbMg 1/3 Nb 2/3 O 3 Hyper-Raman and Raman scattering from the polar modes of PbMg 1/3 Nb 2/3 O 3.

79- Bernard Hehlen, Amira Amouri, Ali Al-Zein, Hamadi Khemakhem: Hyper-Raman and Raman scattering from the polar modes of PbMg1/3Nb2/3O3. Journal of Physics Condensed Matter 11/2013; 26(1):015401., DOI:10.1088/0953-8984/26/1/015401

80- I KALLEL, Z ABDELKAFI, Najmeddine Abdelmoula, Annie Simon, Hamadi Khemakhem: Relaxor behaviour and dielectric properties of BiFeO3 doped Ba(Zr0·1Ti0·9)O3 ceramics. Bulletin of Materials Science 10/2013; 36(5)., DOI:10.1007/s12034-013-0548-y

81- Fathi Bahri, Hamadi Khemakhem: Dielectric properties of Bi-doped Ba0.8Sr0.2TiO3 ceramic solid solutions. Ceramics International 09/2013; 39(7):7571-7575., DOI:10.1016/j.ceramint.2013.03.010

82- H. Belgaroui, M. Loukil, A. Kabadou, H. Khemakhem, A. Ben Salah: Structure of New Layered Bimetallic Hydrogenoselenite Copper Selenium. Journal of Chemical Crystallography 07/2013; 43(7)., DOI:10.1007/s10870-013-0427-9

83- Mouhamed Amin Hentati, Hichem Dammak, Hamadi Khemakhem, Mai Pham Thi: Dielectric properties and phase transitions of [001], [110], and [111] oriented Pb(Zn1/3Nb2/3)O3-6%PbTiO3 single crystals. Journal of Applied Physics 06/2013; 113(24)., DOI:10.1063/1.4812327

84- Ahmed Jarboui, Fathi Bahri, Hamadi Khemakhem: Preparation and characterization of (1 - y)BiFeO3/y(Ba0.7Na0.3Ti0.7Nb0.3)O3 multiferroic ceramics. The European Physical Journal Applied Physics 04/2013; 62(1):10303-., DOI:10.1051/epjap/2013120237

85- M. Zannen, H. Khemakhem, A. Kabadou, M. Es-Souni: Structural, Raman and electrical studies of 2 at.% Dy-doped NBT. Journal of Alloys and Compounds 04/2013; 555:56–61., DOI:10.1016/j.jallcom.2012.12.002

86- A. Belboukhari, Z. Abkhar, E. Choukri, Y. Gagou, N. Abdelmoula, R. Elmoznine, D. Mezzane, H. Khemakhem, M. El Marssi, A. Razumnaya, I. Raevski, I. Luk'yanchuk: Studies of Diffuse Phase Transition in Ferroelectric Solid Solution Pb1-xK2xNb2O6 (x = 0.1, 0.2, 0.25 and 0.3)Solution Pb 1-x K 2x Nb 2 O 6. Ferroelectrics 01/2013; 444(1):116-124., DOI:10.1080/00150193.2013.786619

87- H. Zaghouene, F. Bahri, M. Boujelbene, Hamadi Khemakhem, Annie Simon: Effect of doping by Bi and Ca on ferroelectric properties and relaxor character in the (Ba1−xCax)1−3y/2BiyTiO3 solid solution. Journal of Physics and Chemistry of Solids 10/2012; 73(10):1218–1222., DOI:10.1016/j.jpcs.2012.05.017

88- H. Khelifi, M. Zannen, N. Abdelmoula, D. Mezzane, A. Maalej, H. Khemakhem, M. Es-Souni: Dielectric and Magnetic properties of (1 - X)BiFeO 3-xBa 0.8Sr 0.2TiO 3 ceramics. Ceramics International 09/2012; 38(7):5993–5997., DOI:10.1016/j.ceramint.2012.04.055

89- Feres Benabdallah, Abdelhedi AYDI, Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Régnault Von Der Mühll, Mario Maglione: Dielectric, pyroelectric and piezoelectric properties in the (1 - X)(0.1BaTiO 3-0.9NaNbO 3)-xLiNbO 3 system. Solid State Sciences 09/2012; 14(9):1333., DOI:10.1016/j.solidstatesciences.2012.07.010

90- Faiza Boujelben, Hamadi Khemakhem, Annie Simon: Effect of Mn and Nb Doped BaTiO3 in the dielectric properties in the Ba(Mn1/2Nb1/2)xTi1-xO 3. Journal of Electronic Materials 08/2012; 41(8)., DOI:10.1007/s11664-012-2027-4

91- M. Zannen, A. Lahmar, M. Dietze, H. Khemakhem, A. Kabadou, M. Es-Souni: Structural, optical, and electrical properties of Nd-doped Na0.5Bi0.5TiO3. Materials Chemistry and Physics 06/2012; 134(s 2–3):829–833., DOI:10.1016/j.matchemphys.2012.03.076

92- H. Zaghouene, Hamadi Khemakhem, Annie Simon: X-ray diffraction, dielectric, pyroelectric, piezoelectric and Raman spectroscopy studies on (Ba0.95Ca0.05)0.8875Bi0.075TiO3 ceramic. Ceramics International 05/2012; 38(4):3135–3139., DOI:10.1016/j.ceramint.2011.12.015

93- A. Aydi, A. Simon, D. Michau, R. Von Der Mühll, N. Abdelmoula, H. Khemakhem: Dielectric study of ferroelectric or relaxor Behavior in Ba 1-xNa x(Ti 0,8Sn 0,2) 1-xNbO 3 ceramics. Journal of Optoelectronics and Advanced Materials 03/2012; 14(3):251-256.

94- Abdelhedi AYDI, Annie Simon, Dominique Michau, Régnault Von Der Mühll, N. ABDELMOULA and H. KHEMAKHEM: Dielectric study of ferroelectric or relaxor Behavior in Ba1-xNax(Ti0,8Sn0,2)(1-x)NbO3 ceramics. Journal of Optoelectronics and Advanced Materials 03/2012; 14(3-4):251.

95- Chiheb Chaker, Y. Gagou, N. Abdelmoula, J.-L. Dellis, C. Masquelier, H. Khemakhem, M. El Marssi: X-ray diffraction, dielectric, conduction and Raman studies in Na0.925Bi0.075Nb0.925Mn0.075O3 ceramic. Journal of Applied Physics 02/2012; 111(4)., DOI:10.1063/1.3684961

96- H. Khelifi, A. Aydi, N. Abdelmoula, A. Simon, A. Maalej, H. Khemakhem, M. Maglione: Structural and dielectric properties of Na1-x Ba x Nb1-x (Sn0.5Ti0.5) x O3 ceramics. Journal of Materials Science 02/2012; 47(4):1943-1949., DOI:10.1007/s10853-011-5987-5

97- H. Khelifi, Abdelhedi AYDI, Najmeddine Abdelmoula, Annie Simon, A. Maalej, Hamadi Khemakhem, Mario Maglione: Structural and dielectric properties of Na1−xBaxNb1−x(Sn0.5Ti0.5)xO3 ceramics.

98- Chiheb Chaker, Walid El Gharbi, Najmeddine Abdelmoula, Annie Simon, Hamadi Khemakhem, Mario Maglione: Na 1− x Li x NbO 3 ceramics studied by X-ray diffraction, dielectric, pyroelectric, piezoelectric and Raman spectroscopy. Journal of Physics and Chemistry of Solids 10/2011; 72(10):1140-1146., DOI:10.1016/j.jpcs.2011.07.002

99- Z. Abdelkafi, N. Abdelmoula, O. Bidault, H. Khemakhem, M. Maglione: Impedance Study of Giant Dielectric Permittivity in BaTi0.4(Fe0.5Nb0.5)0.6O3 Ceramic. Physica B Condensed Matter 09/2011; 406(18):3470–3474., DOI:10.1016/j.physb.2011.06.026

100- Abdelhedi Aydi, Annie Simon, Dominique Michau, Régnault Von Der Mühll, Najmeddine Abdelmoula, Hamadi Khemakhem: Elaboration and dielectric study of ferroelectric or relaxor ceramics in the ternary system BaTiO 3–NaNbO 3–BaSnO 3. Journal of Alloys and Compounds 07/2011; 509(29):7773-7777., DOI:10.1016/j.jallcom.2011.04.149

101- F. Benabdallah, A. Simon, H. Khemakhem, C. Elissalde, M. Maglione: Linking Large Piezoelectric Coefficients to Highly Flexible Polarization of Lead Free BaTiO3-CaTiO3-BaZrO3 Ceramics. Journal of Applied Physics 06/2011; 109(12):124116-124116-6., DOI:10.1063/1.3599854

102- Chiheb Chaker, Najmeddine Abdelmoula, Yaovi Gagou, Daoud Mezzane, Hamadi Khemakhem, Mimoun El Marssi: Study of the Na1-xBixNb1-xMn xO3 ceramics by X-ray diffraction, dielectric and Raman spectroscopy. Solid State Communications 05/2011; 151(10):763-767., DOI:10.1016/j.ssc.2011.03.011

103- Feres Benabdallah, Annie Simon, Hamadi Khemakhem, Catherine Elissalde, Mario Maglione: Linking large piezoelectric coefficients to highly flexible polarization of lead free BaTiO<sub class="emphinferior">3</sub>-CaTiO<sub class="emphinferior">3</sub>-BaZrO<sub class="emphinferior">3</sub> ceramics.

104- Z. Abdelkafi, Najmeddine Abdelmoula, Olivier Bidault, Hamadi Khemakhem, Mario Maglione: Impedance study of giant dielectric permittivity in BaTi<sub>0.4</sub>(Fe<sub>0.5</sub>Nb<sub>0.5</sub>)<sub>0.6</sub>O<sub>3</sub> ceramic.

105- H. Chaabane, N. Abdelmoula, H. Khemakhem, A. Simon, D. Michau, M. Maglione: Dielectric And Ferroelectric Properties of Lead-Free Ba1-x LaxTi1-xFexO3 Ceramics. Physica Status Solidi (A) Applications and Materials 01/2011; 208(1):180 - 185., DOI:10.1002/pssa.201026083

106- H. Chaabane, Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Dominique Michau, Mario Maglione: Dielectric and ferroelectric properties of lead-free Ba<sub>1− x </sub>La<sub> x </sub>Ti<sub>1− x </sub>Fe<sub> x </sub>O<sub>3</sub> ceramics.

107- A. Samet, H. Boughzala, H. Khemakhem, Y. Abid: Synthesis, characterization and non-linear optical properties of Tetrakis(dimethylammonium) Bromide Hexabromobismuthate: {[(CH3)2NH2]+}4·Br−·[BiBr6]3−. Journal of Molecular Structure 12/2010; 984(1-3):23-29., DOI:10.1016/j.molstruc.2010.08.049

108- I. Kriaa, N. Abdelmoula, A. Maalej, H. Khemakhem, Annie Simon, Jean Ravez: Numerical study on dielectric permittivity for the ferroelectric ceramic with composition KTa 0.6Nb 0.4O 3. Journal of Alloys and Compounds 10/2010; 508(2):453-456., DOI:10.1016/j.jallcom.2010.08.092

109- Z. Abdelkafi, N. Abdelmoula, H. Khemakhem, A. Simon, M. Maglione: Physical Properties of New, Lead Free BaTi1 − x (Nb0.5Yb0.5) x O3 Ceramics. Ferroelectrics 09/2010; 371(1-2008):48-55., DOI:10.1080/00150190802385101

110- Mouhamed Amin Hentati, Mael Guennou, Hichem Dammak, Hamadi Khemakhem, Mai Pham Thi: Intrinsic effect of Mn doping in PZN–12%PT single crystals. Journal of Applied Physics 04/2010; 107(6-107):064108 - 064108-4., DOI:10.1063/1.3331817

111- M. DAMMAK, H. KHEMAKHEM, T. MHIRI, A. W. KOLSI, A. DAOUD: ChemInform Abstract: Structure and Characterization of a Mixed Crystal Rb2SO4×Te(OH)6.. ChemInform 01/2010; 30(1)., DOI:10.1002/chin.199901005

112- I. Kriaa, Najmeddine Abdelmoula, A. Maalej, Hamadi Khemakhem, Annie Simon, Jean Ravez: Numerical study on dielectric permittivity for the ferroelectric ceramic with composition KTa<sub>0.6</sub>Nb<sub>0.4</sub>O<sub>3</sub.

113- Abdelhedi Aydi, Hamadi Khemakhem, Annie Simon, Dominique Michau, Régnault von der Mühll: Study of ceramic materials in the SrSnO3–NaNbO3 system by X-ray diffraction, dielectric and Raman spectroscopy. Journal of Alloys and Compounds 09/2009; 484(1-2):356-359., DOI:10.1016/j.jallcom.2009.04.097

114- Chiheb Chaker, Walid El Gharbi, Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Physical properties of the new ceramics in the mixed oxide system Na1−xLixNb1−xSbxO3. Journal of Alloys and Compounds 07/2009; 481(s 1–2):305–309., DOI:10.1016/j.jallcom.2009.03.032

115- Faiza. Boujelben, F. Bahri, C. Boudaya, A. Maalej, H. Khemakhem, A. Simon, M. Maglione: Effect of Ni doped BaTiO3 on the dielectric properties in the Ba(Ni1/3Nb2/3)xTi1−xO3 solid solution. Journal of Alloys and Compounds 07/2009; 481(1-2):559-562., DOI:10.1016/j.jallcom.2009.03.081

116- Chiheb Chaker, Walid El Gharbi, Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Physical properties of the new ceramics in the mixed oxide system Na<sub>1− x </sub>Li<sub> x </sub>Nb<sub>1− x </sub>Sb<sub> x </sub>O<sub>3</sub.

117- Faiza Boujelben, F. Bahri, Chokri Boudaya, A. Maalej, Hamadi Khemakhem, Annie Simon, Mario Maglione: Effect of Ni doped BaTiO<sub>3</sub> on the dielectric properties in the Ba(Ni<sub>1/3</sub>Nb<sub>2/3</sub>)<sub> x </sub>Ti<sub>1− x </sub>O<sub>3</sub> solid solution.

118- Abdelhedi Aydi, Souad Chkoundali, Hamadi Khemakhem, Annie Simon, Régnault Von Der Mühll: X-ray diffraction, dielectric measurements and Raman spectroscopy. Journal of Alloys and Compounds 10/2008; 465(1):222-226., DOI:10.1016/j.jallcom.2007.10.108

119- Helmi Abdelkefi, Hamadi Khemakhem, Annie Simon, Jacques Darriet: X-ray diffraction study of Ba 0.985Na 0.015Ti 0.985Nb 0.015O 3, Ba 0.6Na 0.4Ti 0.6Nb 0.4O 3 and Ba 0.3Na 0.7Ti 0.3Nb 0.7O 3 compositions. Solid State Ionics 09/2008; 463(1):423-427., DOI:10.1016/j.jallcom.2007.09.031

120- Z. Abdelkafi, Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Ferroelectric, piezoelectric, pyroelectric and Raman spectroscopy studies on BaTi0.9(Fe1/2Nb1/2)0.1O3 ceramic. Physica Status Solidi (A) Applications and Materials 08/2008; 205(12):2948 - 2952., DOI:10.1002/pssa.200824142

121- L. Bih, L. Abbas, A. Nadiri, H. Khemakhem, B. Elouadi: Investigations of molybdenum redox phenomenon in Li2O–MoO3–P2O5 phosphate glasses. Journal of Molecular Structure 01/2008; 872(1-872):1-9., DOI:10.1016/j.molstruc.2007.02.005

122- Z. Abdelkafi, Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Physical properties of new, lead free BaTi<sub>1-x</sub>(Nb<sub>0.5</sub>Yb<sub>0.5</sub>)<sub>x</sub>O<sub>3</sub> ceramics.

123- Helmi Abdelkefi, Hamadi Khemakhem, Jacques Darriet, Annie Simon: X-ray diffraction study of Ba0.985Na0.015Ti0.985Nb0.015O3, Ba0.6Na0.4Ti0.6Nb0.4O3 and Ba0.3Na0.7Ti0.3Nb0.7O3 compositions.

124- Abdelhedi Aydi, Souad Chkoundali, Hamadi Khemakhema, Annie Simonb and Régnault Von Der M¨uhll: X-ray diffraction, dielectric measurements and Raman spectroscopy Studies of the (1-
x)CaSnO3 -x NaNbO3 solid solution
. Journal of Alloys and Compounds 01/2008; 465:222.

125- Helmi Abdelkefi, Hamadi Khemakhem, Annie Simon, Mario Maglione: Piezoelectric, pyroelectric, dielectric and ferroelectric properties of Ba0.3Na0.7Ti0.3Nb0.7O3. Journal of Applied Physics 12/2007; 102(11):114106-114106-6., DOI:10.1063/1.2818146

126- N. Abdelmoula, H. Chaabane, H. Khemakhem, R. Von der Mühll, A. Simon: Retraction: Relaxor or classical ferroelectric behavior in A site substituted perovskite type Ba1–x(Sm0.5Na0.5)x TiO3. Physica Status Solidi (A) Applications and Materials 12/2007; 204(12):4305 - 4305., DOI:10.1002/pssa.200776344

127- L. Abbas, L. Bih, A. Nadiri, Y. El Amraoui, H. Khemakhem, D. Mezzane: Chemical durability of MoO3-P2O5 and K2O-MoO3-P2O5 glasses. Journal of Thermal Analysis and Calorimetry 11/2007; 90(2):453-458., DOI:10.1007/s10973-006-7673-4

128- Z. Abdelkafi, Najmeddine Abdelmoula, Hamadi Khemakhem, Régnault Von Der Mühll, Lahcen Bih: Effects of the substitution of titanium by iron and niobium on the structure and dielectric properties in BaTi1−x(Fe0.5Nb0.5)xO3 solid solution. Journal of Alloys and Compounds 01/2007; 427(s 1–2):260–266., DOI:10.1016/j.jallcom.2006.03.028

129- Z. Abdelkafi, N. Abdelmoula, H. Khemakhem, O. Bidault, M. Maglione: Dielectric relaxation in BaTi0.85(Fe1/2Nb1/2)0.15O3 perovskite ceramic. Journal of Applied Physics 01/2007; 100(11-100):114111 - 114111-6., DOI:10.1063/1.2369532

130- Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Structure refinement, dielectric, pyroelectric and Raman characterizations of Ba 1-xLa x(1-y)/2Eu xy/2Na x/2TiO 3 solid solution. Journal of Solid State Chemistry 12/2006; 179(12):4011-4019., DOI:10.1016/j.jssc.2006.09.006

131- Najmeddine Abdelmoula, H. Chaabane, Hamadi Khemakhem, Régnault Von Der Mühll, Annie Simon: Relaxor or classical ferroelectric behavior in A-site substituted perovskite type Ba1-x(Sm0.5Na0.5)xTiO3. Physica Status Solidi (A) Applications and Materials 08/2006; 8(8):880-887., DOI:10.1016/j.solidstatesciences.2006.01.014

132- N. Chabchoub, Jacques Darriet, Hamadi Khemakhem: Structural and conductivity studies of CsKSO 4Te(OH) 6 and Rb 1.25K 0.75SO 4Te(OH) 6 materials. Journal of Solid State Chemistry 07/2006; 179(7):2164-2173., DOI:10.1016/j.jssc.2006.04.020

133- Najmeddine Abdelmoula, Hamadi Khemakhem, Régnault Von der Mühll, Annie Simon: Structural and dielectric studies of relaxor ferroelectric Ba1−xLax(1−y)/2Euxy/2Nax/2TiO3 ceramics. Journal of Alloys and Compounds 06/2006; 417(s 1–2):264–268., DOI:10.1016/j.jallcom.2005.09.032

134- N. Abdelmoula, H. Chaabane, H. Khemakhem, R. Von der Mühll, A. Simon: Relaxor or classical ferroelectric behavior in A site substituted perovskite type Ba1- x (Sm 0.5 Na 0.5 ) x TiO 3. Physica status solidi 04/2006; 203(5):987-996., DOI:10.1002/pssa.200521465

135- L. Bih, L. Abbas, A. Nadiri, Y. El-Amraoui, D. Mezzane, H. Khemakhem: Dc and ac conductivities of the yLiO-(1-y)[0.35(MoO )-0.65(PO] glasses2 3 2 2 5.

136- Najmeddine Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Structure refinement, dielectric, pyroelectric and Raman characterizations of Ba1−xLax(1−y)/2Euxy/2Nax/2TiO3 solid solution.

137- Najmeddine. Abdelmoula, Hamadi Khemakhem, Annie Simon, Mario Maglione: Structure refinement, dielectric, pyroelectric and Raman characterizations of Ba{sub 1-x}La{sub x(1-y)/2}Eu{sub xy/2}Na{sub x/2}TiOâ solid solution.

138- Najmeddine Abdelmoula, Hamadi Khemakhem, Régnault Von der Mühll, Annie Simon: Structural and dielectric studies of relaxor ferroelectric Ba 1− x La x(1− y)/2 Eu xy/2 Na x/2 TiO 3 ceramics. Journal of Alloys and Compounds 01/2006; 417(1):264-268.

139- Helmi Abdelkefi, Hamadi Khemakhem, Gabriel Vélu, Jean Claude Carru, Régnault Von der Mühll: Dielectric properties and ferroelectric phase transitions in BaxSr1−xTiO3 solid solution. Journal of Alloys and Compounds 08/2005; 399(1-2-399):1-6., DOI:10.1016/j.jallcom.2005.03.007

140- Abdelhedi Aydi, Hamadi Khemakhem, Chokri Boudaya, Annie Simon, Régnault Von der Mühll: X-ray and dielectric studies of ferroelectric or relaxor phases in the Ca1−xNaxSn1−xNbxO3 system. Solid State Sciences 03/2005; 7(3):249-255., DOI:10.1016/j.solidstatesciences.2004.10.009

141- N. Chabchoub, Hamadi Khemakhem, Régnault Von Der Mühll: Dielectric, electric and Raman studies on the RbK(SO 4)·Te(OH) 6 material. Journal of Alloys and Compounds 01/2005; 386(1):319-325., DOI:10.1016/j.jallcom.2004.06.018

142- Helmi Abdelkefi, Hamadi Khemakhem, Gabriel Vélu, Jean Claude Carru, Régnault Von der Mühll: Dielectric Properties of Ferroelectric Ceramics Derived from the System BaTiO3–NaNbO3-Based Solid Solutions. Solid State Sciences 12/2004; 6(12):1347-1351., DOI:10.1016/j.solidstatesciences.2004.07.012

143- Chokri Boudaya, Hamadi Khemakhem, Annie Simon, Régnault Von der Mühll: Effect of the replacement of titanium by tin on the dielectric properties of barium–sodium titanoniobate ceramics Ba 0.1Na 0.9Ti 0.1Nb 0.9O 3. Solid State Sciences 07/2004; 6(7):625-628., DOI:10.1016/j.solidstatesciences.2004.03.014

144- N. Chabchoub, H. Khemakhem: AC ionic conductivity investigations on the CsK(SO 4)·Te(OH) 6 material. Journal of Alloys and Compounds 05/2004; 370(1):8-17., DOI:10.1016/j.jallcom.2003.08.091

145- Abdelhedi Aydi, Hamadi Khemakhem, Chokri Boudaya, Régnault Von der Mühll, Annie Simon: New Ferroelectric and Relaxor Ceramics in the Mixed Oxide System NaNbO3-BaSnO3. Solid State Sciences 04/2004; 6(4):333-337., DOI:10.1016/j.solidstatesciences.2003.12.006

146- Abdelhedi Aydi, Hamadi Khemakhem, Chokri Boudayaa, Régnault Von der Mühll and Annie Simon: New ferroelectric and relaxor ceramics in the mixed oxide system NaNbO3–BaSnO3. Solid State Sciences 01/2004; 6 (2004) 333–337:333.

147- C Boudaya, N Chabchoub, H Khemakhem, R Von der Mühll: Ionic Conduction and Dielectric Properties in the Telluric Sulfate K2(SO4)×Te(OH)6.. Journal of Alloys and Compounds 11/2003; 352(1-2):304-308., DOI:10.1016/S0925-8388(02)01153-2

148- F Bahri, Hamadi Khemakhem, Annie Simon, R Von Der Muhll, Jean Ravez: Dielectric and pyroelectric studies on the Ba1-3aBi2aTiO3 classical and relaxor ferroelectric ceramics. Solid State Sciences 09/2003; 5(9):1235-1238., DOI:10.1016/S1293-2558(02)00180-8

149- N. Chabchoub, H. Khemakhem, M. Gargouri: Ferroelectricity and superionic conduction in telluric sulfates MM′(SO 4)Te(OH) 6 (M, M′=K, Rb and Cs). Journal of Alloys and Compounds 09/2003; 359(1):84-90., DOI:10.1016/S0925-8388(03)00221-4

150- F. Bahri, H. Khemakhem, A. Simon, R. Von Der Mühll, J. Ravez: Dielectric and pyroelectric studies on the Ba 1−3 a Bi 2 a TiO 3 classical and relaxor ferroelectric ceramics. Solid State Sciences 09/2003; 5(9):1235-1238., DOI:10.1016/S1293-2558(03)00180-8

151- F. Bahri, H. Khemakhem, M. Gargouri, A. Simon, R. Von der Mühll, J. Ravez: Dielectric and Raman studies on the solid solution (1− x)BaTiO 3/ xNaNbO 3 ceramics. Solid State Sciences 09/2003; 5(9):1229-1234., DOI:10.1016/S1293-2558(03)00156-0

152- Sabeur Khemakhem, Samia Yahyaoui, Rached Ben Hassen, Hamadi Khemakhem, Abdelhamid Ben Salah: Crystal Structure and Electrical Behavior of the New Ceramic Ba0.7Na0.3Ti0.7Nb0.3O3. Solid State Sciences 08/2003; 34(31)., DOI:10.1002/chin.200331020

153- Sabeur Khemakhem, Samia Yahyaoui, Rached Ben Hassen, Hamadi Khemakhem, Abdelhamid Ben Salah: Crystal Structure and Electrical Behavior of the New Ceramic Ba0.7Na0.3Ti0.7Nb0.3O3. Solid State Sciences 02/2003; 5(2):367-371., DOI:10.1016/S1293-2558(03)00008-6

154- F. Bahri, Hamadi Khemakhem, M. Gargouri, Annie Simon, Régnault Von Der Mühll, Jean Ravez: Dielectric Raman studies on the solid solution (1-x)BaTiO3/xNaNbO3 ceramics.

155- M. Dammak, H. Khemakhem, T. Mhiri: Superprotonic conduction and ferroelectricity in addition cesium sulfate tellurate Cs 2SO 4.Te(OH) 6. Journal of Physics and Chemistry of Solids 11/2001; 62(11):2069-2074., DOI:10.1016/S0022-3697(01)00076-2

156- H. Feki, H. Khemakhem, Y. Abid: H+-ion conductivity and ferroelectric properties of rubidium ammonium hydrogen sulphate. Journal of Physics Condensed Matter 09/2001; 13(37):8509-8518., DOI:10.1088/0953-8984/13/37/308

157- F. Bahri, A. Simon, H. Khemakhem, J. Ravez: Classical or Relaxor Ferroelectric Behaviour of Ceramics With Composition Ba1-xBi2x/3TiO3. physica status solidi (a) 04/2001; 184(2):459-464., DOI:10.1002/1521-396X(200104)184:2<459::AID-PSSA459>3.0.CO;2-0

158- Mühll Régnault Von Der, Annie Simon, Hamadi Khemakhem, Jean Ravez: Pyroelectric and piezoelectric properties of new lead-free ceramics with composition Ba 1-xNa xTi 1-xO 3. Annales de Chimie Science des Matériaux 02/2001; 26(1):127-130., DOI:10.1016/S0151-9107(01)90024-8

159- Hamadi Khemakhem, Annie Simon, Régnault Von Der Mühll, Jean Ravez: Relaxor or Classical Ferroelectric Behavior in Ceramics with Composition Ba1-xNaxTi1-xNbxO3. Journal of Physics Condensed Matter 06/2000; 12(27):5951., DOI:10.1088/0953-8984/12/27/313

160- H. Khemakhem, A. Simon, R.V.D. Mhll, J. Ravez: Relaxor or classical ferroelectric behaviour in ceramics with composition Ba [iopmath latex="$_{1-x}{rm Na}_x{rm Ti}_{1-x}{rm Nb}_x{rm O}_3$"] 1-xNaxTi1-xNbxO3 [/iopmath]. Journal of Physics Condensed Matter 01/2000; 12(27).

161- M Dammak, H Khemakhem, N Zouari, A. W Kolsi, T Mhiri: Electrical properties of ferroelectric addition compound K 2SeO 4.Te(OH) 6. Solid State Ionics 01/2000; 127(1):125-132., DOI:10.1016/S0167-2738(99)00256-8

162- N. Zouari, H. Khemakhem, T. Mhiri, A. J. Daoud: Ac conductivity and dielectric relaxation studies in the polycrystalline compound KYHP3O10. Journal of Physics and Chemistry of Solids 11/1999; 60(11):1779-1786., DOI:10.1016/S0022-3697(99)00206-1

163- M. Dammak, H. Khemakhem, T. Mhiri, A. W. Kolsi, A. Daoud: Structural and Vibrational Study of K 2SeO 4·Te(OH) 6 Material. Journal of Solid State Chemistry 07/1999; 145(2):612-618., DOI:10.1006/jssc.1999.8254

164- N. Zouari, H. Khemakhem, M. Gargouri, M. Mnif, T. Mhiri, A. Daoud: Structural and Electrical Properties of the NH 4 DyHP 3 O 10 Compound. physica status solidi (b) 05/1999; 213(1):219-231.

165- N. Zouari, H. Khemakhem, M. Gargouri, M. Mnif, T. Mhiri, A. Daoud: Structural and Electrical Properties of the NH4DyHP3O10 Compound. physica status solidi (b) 05/1999; 213(1):219-231., DOI:10.1002/(SICI)1521-3951(199905)213:1<219::AID-PSSB219>3.0.CO;2-Q

166- Hamadi Khemakhem, Mohamed Mnif, Jean Ravez, Abdelaziz Daoud: Low Frequency Dispersion in Ferroelectric KTa 0.3Nb 0.7O 3 Ceramic. Journal of the Physical Society of Japan 03/1999; 68(3):1031-1034., DOI:10.1143/JPSJ.68.1031

167- H. Khemakhem, T. Mhiri, A. Daoud: Ferroelectric and electric properties of Rb0.6(NH4)0.4HSO4 single crystal. Solid State Ionics 02/1999; 117(s 3–4):337–343., DOI:10.1016/S0167-2738(98)00406-8

168- Hamadi Khemakhem: Dielectric and Raman investigations on M2(SO4). Te(OH)6 (m =k, Rb and Cs). Ferroelectrics 01/1999; 234(1-4-1-4):47-59., DOI:10.1080/00150199908225281

169- M. Dammak, H. Khemakhem, T. Mhiri, A.W. Kolsi, A. Daoud: Structure and characterization of a mixed crystal Rb2SO4.Te(OH)6. Journal of Alloys and Compounds 10/1998; 280(1)., DOI:10.1016/S0925-8388(98)00707-5

170- N. Zouari, M. Mnif, H. Khemakhem, T. Mhiri, A. Daoud: Conductivity relaxation parameters of some H+ and K+ conducting in the polycrystalline compound KDyHP3O10. Solid State Ionics 07/1998; 110(3-4):269-275., DOI:10.1016/S0167-2738(98)00128-3

171- M. Dammak, H. Khemakhem, T. Mhiri, A. W. Kolsi, A. Daoud: Structure and characterization of a mixed crystal Rb 2SO 4.Te(OH) 6 1 This paper is dedicated to Dr. Hatem Mhiri. 1. Journal of Alloys and Compounds 01/1998; 280(1):107-113.

172- R. Von Der Mühll, H. Khemakhem, J. Ravez: Piezoelectric and pyroelectric properties of poled KTN ceramics. Annales de Chimie Science des Matériaux 12/1997; 22(8):725-729.

173- H. Khemakhem, M. Mnif, T. Mhiri, A. Daoud: Phase transition and Raman studies on Cs0.9(NH4)0.1HSO4. physica status solidi (a) 10/1997; 163(2):349-355., DOI:10.1002/1521-396X(199710)163:23.0.CO;2-E

174- H. Khemakhem, J. Ravez, A. Daoud: Effect of DC and AC Bias Fields on the Dielectric and Ferroelectric Properties of a KTN Ceramic. physica status solidi (a) 06/1997; 161(2):557-564., DOI:10.1002/1521-396X(199706)161:23.0.CO;2-9

175- H. Khemakhem, R. von der Mühll, A. Daoud, J. Ravez: Piezoelectric and Pyroelectric Properties in Ferroelectric KTa0.3Nb0.7O3 Ceramics. physica status solidi (a) 03/1997; 160(1):243-253., DOI:10.1002/1521-396X(199703)160:13.0.CO;2-9

176- H. Khemakhem, J. Ravez, A. Daoud: Dielectric Properties of KTN ferroelectric ceramics sintered with LiF. Ferroelectrics 11/1996; 188(1):41-51., DOI:10.1080/00150199608244878

177- H. Khemakhem, R. von der Mühll, J. Ravez, A. Daoud: Phase transitions, piezoelectric and pyroelectric properties of KTa1-xNbxO3 ceramics (x = 0.3 and 0.4). Ferroelectrics 11/1996; 188(1-1):85-93., DOI:10.1080/00150199608244882

178- H. Khemakhem, T. Mhiri, Z. Fakhfakh, A. Daoud: Ferroelectric transition in Cs1-X(NH4)XHSO4 solid solutions. Phase Transitions 05/1996; 56(4-4):193-198., DOI:10.1080/01411599608207847

179- H. Khemakhem, J. Ravez, P. Dubernet, A. Daoud: High frequency dielectric relaxation of a KTa0.6Nb0.4O3 ceramic. Phase Transitions 05/1996; 56(4-4):199-204., DOI:10.1080/01411599608207848

180- H. Khemakhem, T. Mhiri, H. Guermazi, Z. Fakhfakh, A. Daoud: Dielectric, optical and infrared studies of the mixed caesium-ammonium acid sulphate Cs0.9(NH4)0.1HSO4. Phase Transitions 02/1996; 56(1-1):61-66., DOI:10.1080/01411599608207840

181- H. Khemakhem, T. Mhiri, Z. Fakhfakh, A. Daoud: Synthesis Characterization and Protonic Conduction in Mixed Caesium-Ammonium Hydrogenosulphate Cs 0.95 (NH 4 ) 0.05 HSO 4. Advanced Materials Research 01/1994; 1/2:299-308., DOI:10.4028/www.scientific.net/AMR.1-2.299

 
Proceedings de Conferences

1- A. Lahmar, J. Belhadi, M. El Marssi, M. Zannen, H. Khemakhem, N. Al-Dahoudi: Energy storage property of Lead-free Na0.5Bi0.5TiO3 ceramic and thin film. 2017 International Conference in Energy and Sustainability in Small              Developing Economies (ES2DE); 07/2017, DOI:10.1109/ES2DE.2017.8015355

    2- MARFOUA Brahim, Hamza LIDJICI, Brahim LAGOUN, Hamadi KHEMAKHEM: The DFT (TB-mBJ) calculation of structural, electronic, elastic and vibrational properties of Mg2X(X=Si,Sn). TRAMP 2017 NANOMATÉRIAUX :                          MICROSTRUCTURE ET PROPRIÉTÉS, Hammamet,Tunisia; 03/2017

    3- M. Zannen, A. Lahmar, B. Asbani, H. Khemakhem, M. El Marssi, Z. Kutnjak, M. Es Souni: Electrocaloric effect and Luminescence Properties of Lanthanide doped (Na1/2Bi1/2)TiO3 Lead free Materials. the first International                        Symposium on Physics of Data Storage (ISPDS1), Amiens, France; 12/2015

    4- H. Kaddoussi, Y. Gagou, A. Lahmar, H. Khemakhem, Z. Kutnjak, M. El Marssi: Indirect and direct electrocaloric measurements in lead free BCZT ceramics. Procceding of the first International Symposium on Physics of Data                  Storage (ISPDS1), Amiens, France; 12/2015

    5- H. Kaddoussi, Y. Gagou, A. Lahmar, J-L. Dellis, H. Khemakhem, M. El Marssi: Sequence of structural transitions and electrocaloric effect in (Ba1-xCax)(Zr0.1Ti0.9)O3 ceramics. the first International Symposium on Physics of                Data Storage (ISPDS1), Amiens, France; 12/20156- F. Boujelben, H. Bouzid, F. Bahri, A. Maalej, H. Khemakhem, A. Simon, M. Maglione: Ferroelectric, piezoelectric, pyroelectric studies on BaTi0.95(Ni1/3Nb2/3)0.05O3 ceramic. Iop          Conference Series: Materials      Science and Engineering; 11/2010, DOI:10.1088/1757-899X/13/1/012003

 
Encadrements
Thèses soutenues sous ma direction

 

1- Thèse de Nizar Chabchoub : Ferroelectricité et Conduction ionique dans des sulfates tellurates MM’SO4Te(OH)6 (M,M’ = K, Rb et Cs), Soutenue le 14/02/2004.

2- Thèse de Fathi Bahri : Nouveaux matériaux ferroélectriques classiques et relaxeurs dérivés de BaTiO3 de formules générales (Ba1-xBi2x/3TiO3 et Ba1-xNaxTi1-xNbxO3, soutenue le 12/02/2004.

3- Thèse de Abdelhedi Aydi : Elaboration et caractérisations diélectriques de céramiques ferroélectriques et/ou relaxeur de formule MSnO3-NaNbO3(M = Ba, Ca), soutenue le 05/03/2005.

4- Thèse de Helmi Abdelkefi, Etude de céramiques et de couches minces ferroélectriques en vue d’applications en électronique, soutenue le 24/02/2007.

5- Thèse de Hassen Chaabene: Etude de l'évolution des propriétés ferroélectriques dans des systèmes de structure pérovskite ABO3 substitués en sites A et B., soutenue le 28/04/2012.

6- Thèse de Monem Zannen : Etude des effets des terres rares sur l'évolution des propriétés structurales, électriques et optiques du titanate de sodium et du bismuth Na1/2Bi1/2TiO3, Soutenue le 14/12/2013.

7-  Thèse de Houda Zaghouene : Etude de l'effet du bismuth sur le caractère relaxeur dans les structures perovskites de la famille (Ba1-xCax)1-3y/2BiyTiO3,Soutenue le 06/03/2014.

8-  Thèse de Mohamed Amine Hentati : Effets des inhomogénéités locales et des contraintes extérieures sur les propriétés diélectriques et structurales des monocristaux PZN-x%PT, soutenue le 15/06/2013.

9-  Thèse de Walid Allah Gharbi : Elaboration et caractérisations de matériaux ferroélectriques sans plomb : céramiques, films minces, nano-poudres et composites nano-poudres – cristal liquide, Soutenue le 11/12/2013.

10-  Thèse de Amira Amouri : Etude de l’évolution des propriétés magnétoélectriques dans les systèmes ferroélectriques dopés par un élément magnétique, soutenue le 12/03/2015.

11-  Thèse de Hana Kaddoussi : Etude de l'effet électro-calorique en corrélation avec les propriétés structurales, pyroélectrique et ferroélectriques de la solution Ba1-×Cax(Zr0.1Ti0.9)1-ySnyO3, Soutenue le 26/4/2016.

12- Thèse de Nabil Dhifallah : Elaboration et étude de l'effet du dopage sur les propriétés structurales, vibrationnelles et diélectriques des céramiques ferroélectriques et relaxeurs du système BaTiO3/SrTiO3, soutenue le 22/11/ 2016.

13- Thèse de Sonia CHIHAOUI : Etude de l’effet de substitution de Sn sur l’évolution des propriétés structurales, électriques et électrocal-oriques du titanate de baryum et du strontium (Ba0,8Sr0,2)TiO3, Soutenue le 19 /12/ 2016.

14-Thèse de Mohamed Hassen Khedhri : Optimisation des propriétés ferroélectriques des nonopoudres du système Ba1-xCaxTiO3en vue d’étudier l’effet de leurs dispersions dans une matrice polymère, soutenue le 24/12/2019.

Expérience professionnelle
Expérience Scientifiques:

 1996: Assistant à la Faculté des Sciences de Sfax

 1997: Maitre Assistant à la Faculté des Sciences de Sfax

 2000: Maitre de Conférences à la Faculté des Sciences de Sfax

 2005: Professeur à la Faculté des Sciences de Sfax

 2016-jusquà présent: Directeur du Laboratoire des Matériaux Multifonctionnels et Apllications (LaMMA)

 2010-Jusquà présent: Directeur de l'Unité de Sservice Commun Spectroscopie Ramman

Expérience Administrative

2002-2021 : Membre du Conseil Scientifique de la Faculté des Sciences de Sfax

2002-2008: Vice Doyen de la Faculté des Sciences de Sfax

2014-2017: Vice Doyen de la Faculté des Sciences de Sfax

2018-2021: Doyen de la Faculté des Sciences de Sfax

 

Membre association
depuis 2016: Membre fondateur de l'Association Tunisienne des Matériaux Multifonctionnels et Applications (ATMMA)
Plusieurs périodes membre de la Societé Tunisienne de Physique (STP)
2020-2023: membre de l'association: Conférence Internationale des Responsables Universitaires et Institutions à Expression Francaise (CIRUISEF)
Autres

Projet RG-191247 with University of Ha’il, KINGDOM OF SAUDI ARABIA (2020-2021)

Title: Novel lead-free piezoelectric materials for energy harvesting / energy storage applications

CMCU, code : 08G1125 (2008-2011) avec l’Institut de Chimie de la Matière Condensée de Bordeaux (I.C.M.C.B.), France.

Title : Nouveaux matériaux piézoélectriques sans plomb pour couches épaisses ».

CMPTM , code : 08/TM 94 (2008-2010) avec la Faculté des Science et Techniques de Marrakech, Maroc.

Title : Une nouvelle famille de Matériaux avancés pour la Nanotechnologie et la Microélectronique

PHC-MAGHREB (2012-2014) avec  Université de Picardie Jules Verne Amiens, France, la Faculté des Science et Techniques de Marrakech, Maroc et avec l'Université d’Oran, Algérie.

Title: Etude des effets électro-calorique et pyroélectrique dans les matériaux ferroélectriques et relaxeurs pour la récupération d’énergie et la réfrigération des composants électroniques