Direct measurement of magnetocaloric effects in itinerant-electron metamagnets La(FexSi1-x)13 compounds and their hydrides

S. Fujieda; Y. Hasegawa; A. Fujita; K. Fukamichi

doi:10.1016/j.jmmm.2003.12.968

Direct measurement of magnetocaloric effects in itinerant-electron metamagnets La(Fe_xSi_1-x)₁₃ compounds and their hydrides

S. Fujieda, Y. Hasegawa, A. Fujita, K. Fukamichi

Division of Inorganic Material Research

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

37 Citations (Scopus)

Abstract

Magnetocaloric effects (MCEs) caused by the itinerant-electron metamagnetic (IEM) transition for the La(Fe_xSi_1-x) ₁₃ compounds and their hydrides have been investigated by the direct measurement. The temperature change of about 5.9 K due to the MCEs was directly obtained for the La(Fe_0.89Si_0.11)₁₃ compound just above the Curie temperature T_C = 188 K under the adiabatic change of the magnetic field from 0 to 2 T. Similar large MCEs are directly observed in the vicinity of room temperature for the La(Fe_0.89Si _0.11)₁₃H_1.6 compound.

Original language	English
Pages (from-to)	2365-2366
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
Issue number	III
DOIs	https://doi.org/10.1016/j.jmmm.2003.12.968
Publication status	Published - 2004 May

Keywords

Hydrides
Itinerant-electron metamagnetic transition
Magnetocaloric effect

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Direct measurement of magnetocaloric effects in itinerant-electron metamagnets La(FexSi1-x)13 compounds and their hydrides",

abstract = "Magnetocaloric effects (MCEs) caused by the itinerant-electron metamagnetic (IEM) transition for the La(FexSi1-x) 13 compounds and their hydrides have been investigated by the direct measurement. The temperature change of about 5.9 K due to the MCEs was directly obtained for the La(Fe0.89Si0.11)13 compound just above the Curie temperature TC = 188 K under the adiabatic change of the magnetic field from 0 to 2 T. Similar large MCEs are directly observed in the vicinity of room temperature for the La(Fe0.89Si 0.11)13H1.6 compound.",

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author = "S. Fujieda and Y. Hasegawa and A. Fujita and K. Fukamichi",

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AU - Fujieda, S.

AU - Hasegawa, Y.

AU - Fujita, A.

AU - Fukamichi, K.

PY - 2004/5

Y1 - 2004/5

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AB - Magnetocaloric effects (MCEs) caused by the itinerant-electron metamagnetic (IEM) transition for the La(FexSi1-x) 13 compounds and their hydrides have been investigated by the direct measurement. The temperature change of about 5.9 K due to the MCEs was directly obtained for the La(Fe0.89Si0.11)13 compound just above the Curie temperature TC = 188 K under the adiabatic change of the magnetic field from 0 to 2 T. Similar large MCEs are directly observed in the vicinity of room temperature for the La(Fe0.89Si 0.11)13H1.6 compound.

KW - Hydrides

KW - Itinerant-electron metamagnetic transition

KW - Magnetocaloric effect

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