Adiabatic temperature change, magnetic entropy change and critical behavior near the ferromagnetic–paramagnetic phase transition in La0.7(Ca,Sr)0.3MnO3 perovskite

Autor: A. Cheikhrouhou, F. Cugini, W. Cheikhrouhou-Koubaa, Kalthoum Riahi, A. Ezaami, Massimo Solzi, I. Messaoui

Publikováno v: Phase Transitions. 91:691-702

A systematic study of the magnetocaloric effect in La0.7Ca0.15Sr0.15MnO3 perovskite has been performed by both direct and indirect measurement techniques. In particular, the adiabatic temperature change has been measured by a purpose-built probe suit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efe0580da39f295d4900ac2d6c1730b8
https://doi.org/10.1080/01411594.2018.1474356

Magnetic, magnetocaloric and critical behavior study of La0.78Pb0.22MnO3 manganite near room-temperature

Autor: Kalthoum Riahi, I. Messaoui, Mohamed Koubaa, A. Cheikhrouhou, M. Kumaresavanji, Wissem Cheikhrouhou Koubaa

Publikováno v: Ceramics International. 43:498-506

We report the magnetic, magnetocaloric properties and critical behavior near transition temperature in La 0.78 Pb 0.22 MnO 3 perovskite manganite, prepared by solid state reaction method. Temperature dependence of magnetization exhibits a ferromagnet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc92cdbe189da77966f03de374243ff9
https://doi.org/10.1016/j.ceramint.2016.09.185

Magnetic, magnetocaloric and critical behavior investigation of Nd0.7Ca0.15Sr0.15MnO3 prepared by high-energy ball milling

Autor: E.K. Hlil, Majdi Mansouri, W. Cheikhrouhou Koubaa, I. Messaoui, H. Omrani, A. Cheikhrouhou, Mohamed Koubaa

Publikováno v: Ceramics International
Ceramics International, Elsevier, 2016, 42 (15), pp.17032-17044. ⟨10.1016/j.ceramint.2016.07.211⟩

Magnetic, magnetocaloric and critical behavior properties of Nd 0.7 Ca 0.15 Sr 0.15 MnO 3 polycrystalline prepared by high-energy ball milling are studied. The current study is a comparison between two different ball-milling times (4 h milling and 24

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9efddf608068249b74fc71909812777
https://doi.org/10.1016/j.ceramint.2016.07.211

Investigation of the magnetic, electronic and magnetocaloric properties of La 0.7 (Ca,Sr) 0.3 Mn 1-x Gd x O 3 manganites

Autor: Giuseppe Allodi, Kalthoum Riahi, Massimo Solzi, F. Cugini, I. Messaoui, W. Cheikhrouhou-Koubaa, A. Cheikhrouhou, A. Ezaami, Francesca Rossi

Publikováno v: Journal of magnetism and magnetic materials 441 (2017): 776–786. doi:10.1016/j.jmmm.2017.06.091
info:cnr-pdr/source/autori:K. Riahi a, A. Ezaami a, I.Messaoui a, M. Solzi b, W. Cheikhrouhou-Koubaa a, F. Cugini b, G. Allodi b, F. Rossi c, A. Cheikhrouhou a/titolo:Investigation of the magnetic, electronic and magnetocaloric properties of La 0.7 (Ca,Sr) 0.3 Mn 1-x Gd x O 3 manganites/doi:10.1016%2Fj.jmmm.2017.06.091/rivista:Journal of magnetism and magnetic materials/anno:2017/pagina_da:776/pagina_a:786/intervallo_pagine:776–786/volume:441

La 0.7 (Ca,Sr) 0.3 Mn 1−x Gd x O 3 (with x = 0; x = 2% and x = 6%) manganites samples have been studied by several techniques including X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), 55 Mn and 139 La nuclear magnetic resonance (NMR) s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd7bec38deb659d862067b29bf0be74d
http://www.sciencedirect.com/science/article/pii/S0304885317309332?via=ihub

Faut-il dépister systématiquement une hypothyroïdie chez les sujets obèses ?

Autor: Olfa Berriche, H. Moalla, S. Boumefeteh, Henda Jamoussi, R. Ben Othmen, I. Messaoui, M. Ben Cheikh, Nizar Souissi, F. Mahjoub

Publikováno v: Annales d'Endocrinologie. 79:357

L’hypothyroidie a toujours ete consideree parmi l’une des etiologies endocriniennes les plus frequentes de l’obesite. Ceci dit, un depistage d’une hypothyroidie serait-il justifie devant une obesite ? Le but de notre etude etait d’etudier l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::add6710464b59f25261852d2cd65aa76
https://doi.org/10.1016/j.ando.2018.06.504