Structure, magnetic properties and magnetocaloric effect in LaMnSbO 0.8 F 0.2  oxypnictide material | Zendy

Kanagaraj M. | Zendy; Thakur Gohil S. | Zendy; Prakash J. | Zendy; Muthu S. Esakki | Zendy; Arumugam S. | Zendy; Ganguli Ashok K. | Zendy

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Structure, magnetic properties and magnetocaloric effect in LaMnSbO 0.8 F 0.2 oxypnictide material

Author(s) -

Kanagaraj M.,

Thakur Gohil S.,

Prakash J.,

Muthu S. Esakki,

Arumugam S.,

Ganguli Ashok K.

Publication year - 2015

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.201451390

Subject(s) - magnetic refrigeration , magnetic field , condensed matter physics , materials science , entropy (arrow of time) , thermodynamics , magnetization , physics , quantum mechanics

We have investigated the structural, magnetic properties and magnetocaloric effect (MCE) in LaMnSbO 0.8 F 0.2 . The compound has the ZrCuSiAs‐type structure with P4/nmm space group. For a field change of 0–5 T, the maximum entropy change (–Δ S M ) is calculated to be 0.074 J kg −1 K by using the Maxwell's relations from the magnetic isotherms. The relative cooling power was increasing from 0.67 to 3.74 J kg −1 with the increases of magnetic field changes from 0–1 to 0–5 T. The observed reversible MCE is related to a second‐order magnetic phase transition.

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