Effect of heat treatment on giant magnetocaloric properties of Mn 1+δAs1-xSbx

H. Wada; T. Asano

doi:10.1016/j.jmmm.2004.11.342

Effect of heat treatment on giant magnetocaloric properties of Mn _1+δAs_1-xSb_x

H. Wada, T. Asano

Condensed Matter Physics

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

We studied the magnetic transition of Mn₁₊ _δAs_1-xSb_x after various heat treatments. It was found that quenching from a melted state and subsequent annealing give a sharp magnetic transition in the present system. The peaks of the magnetic entropy change, -ΔSM, in 0-5 T have almost the same high value of about 34 J/K kg for 0≤x≤0.3. The origin of large -ΔSM will be discussed from the thermodynamical point of view.

Original language	English
Pages (from-to)	703-705
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	290-291 PART 1
DOIs	https://doi.org/10.1016/j.jmmm.2004.11.342
Publication status	Published - Apr 1 2005

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "We studied the magnetic transition of Mn1+ δAs1-xSbx after various heat treatments. It was found that quenching from a melted state and subsequent annealing give a sharp magnetic transition in the present system. The peaks of the magnetic entropy change, -ΔSM, in 0-5 T have almost the same high value of about 34 J/K kg for 0≤x≤0.3. The origin of large -ΔSM will be discussed from the thermodynamical point of view.",

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N2 - We studied the magnetic transition of Mn1+ δAs1-xSbx after various heat treatments. It was found that quenching from a melted state and subsequent annealing give a sharp magnetic transition in the present system. The peaks of the magnetic entropy change, -ΔSM, in 0-5 T have almost the same high value of about 34 J/K kg for 0≤x≤0.3. The origin of large -ΔSM will be discussed from the thermodynamical point of view.

AB - We studied the magnetic transition of Mn1+ δAs1-xSbx after various heat treatments. It was found that quenching from a melted state and subsequent annealing give a sharp magnetic transition in the present system. The peaks of the magnetic entropy change, -ΔSM, in 0-5 T have almost the same high value of about 34 J/K kg for 0≤x≤0.3. The origin of large -ΔSM will be discussed from the thermodynamical point of view.

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