Large Magnetic Entropy Change in Pr2/3Sr1/3MnO3-CuO Composite at Room Temperature

Fkhar, L.; Mounkachi, O.; El Maalam, K.; Hamedoun, M.; Mahmoud, Abdelfattah; Boschini, Frédéric; El kenz, A.; Ali, M. Ait; Hlil, E. K.; Xiao, Y.; Benyoussef, A.

doi:10.1007/s10948-019-5136-y

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Article (Scientific journals)

Large Magnetic Entropy Change in Pr2/3Sr1/3MnO3-CuO Composite at Room Temperature

Fkhar, L.; Mounkachi, O.; El Maalam, K. et al.

2019 • In Journal of Superconductivity and Novel Magnetism

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/235842

DOI
10.1007/s10948-019-5136-y

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Keywords :

Composite; Magnetic properties; Perovskite manganites; Magnetocaloric effect; Magnetic entropy change; Relative cooling power

Abstract :

[en] We report in this paper the impact of copper oxide (CuO) on the structural, magnetic, and magnetocaloric properties of Pr2/3Sr1/3MnO3 (PSMO) material. Our samples were synthesized by conventional solid-state reaction. The phase formation with no impurities was verified using the X-ray diffraction (XRD). The magnetic properties measured by Magnetic Properties Measurement System (MPMS) show the impact of the AFM CuO semiconductor on the magnetization and the transition temperature of the composite. The magnetic entropy changes were calculated from the isothermal curve of the magnetization as a function of the magnetic field. It is found that a small amount of copper oxide is enough to enhance the magnetocaloric properties of our materials.

Disciplines :

Chemistry

Author, co-author :

Fkhar, L.

Mounkachi, O.

El Maalam, K.

Hamedoun, M.

Mahmoud, Abdelfattah ; Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT

Boschini, Frédéric ; Université de Liège - ULiège > Plateforme APTIS

El kenz, A.

Ali, M. Ait

Hlil, E. K.

Xiao, Y.

Benyoussef, A.

Language :

English

Title :

Large Magnetic Entropy Change in Pr2/3Sr1/3MnO3-CuO Composite at Room Temperature

Publication date :

19 May 2019

Journal title :

Journal of Superconductivity and Novel Magnetism

ISSN :

1557-1939

eISSN :

1557-1947

Publisher :

Springer, Germany

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://doi.org/10.1007/s10948-019-5136-y

Available on ORBi :

since 24 May 2019

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