Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe0.88Si0.12)13Hy compounds

S. Fujieda; A. Fujita; K. Fukamichi; Y. Yamazaki; Y. Iijima

doi:10.1063/1.1388157

Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe_0.88Si_0.12)₁₃H_y compounds

S. Fujieda, A. Fujita, K. Fukamichi, Y. Yamazaki, Y. Iijima

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

145 Citations (Scopus)

Abstract

La(Fe_xSi_1-x)₁₃ compounds exhibit an itinerant-electron metamagnetic (IEM) transition above Curie temperature T_C. The IEM transition in the compound with x=0.88 is accompanied by a giant volume change. From a practical viewpoint, T_C was controlled by hydrogen absorption in order to obtain such a giant volume magnetostriction at room temperature. For the La(Fe_0.88Si_0.12)₁₃H_1.0 compound, the IEM transition occurs above T_C = 278 K, and a significant isotropic linear magnetostriction of about 0.3% at 7 T is induced in the vicinity of room temperature. This large magnetostriction is attributed to the giant volume magnetostriction of about 1% by the IEM transition.

Original language	English
Pages (from-to)	653-655
Number of pages	3
Journal	Applied Physics Letters
Volume	79
Issue number	5
DOIs	https://doi.org/10.1063/1.1388157
Publication status	Published - Jul 30 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1388157

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title = "Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe0.88Si0.12)13Hy compounds",

abstract = "La(FexSi1-x)13 compounds exhibit an itinerant-electron metamagnetic (IEM) transition above Curie temperature TC. The IEM transition in the compound with x=0.88 is accompanied by a giant volume change. From a practical viewpoint, TC was controlled by hydrogen absorption in order to obtain such a giant volume magnetostriction at room temperature. For the La(Fe0.88Si0.12)13H1.0 compound, the IEM transition occurs above TC = 278 K, and a significant isotropic linear magnetostriction of about 0.3% at 7 T is induced in the vicinity of room temperature. This large magnetostriction is attributed to the giant volume magnetostriction of about 1% by the IEM transition.",

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T1 - Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe0.88Si0.12)13Hy compounds

AU - Fujieda, S.

AU - Fujita, A.

AU - Fukamichi, K.

AU - Yamazaki, Y.

AU - Iijima, Y.

PY - 2001/7/30

Y1 - 2001/7/30

N2 - La(FexSi1-x)13 compounds exhibit an itinerant-electron metamagnetic (IEM) transition above Curie temperature TC. The IEM transition in the compound with x=0.88 is accompanied by a giant volume change. From a practical viewpoint, TC was controlled by hydrogen absorption in order to obtain such a giant volume magnetostriction at room temperature. For the La(Fe0.88Si0.12)13H1.0 compound, the IEM transition occurs above TC = 278 K, and a significant isotropic linear magnetostriction of about 0.3% at 7 T is induced in the vicinity of room temperature. This large magnetostriction is attributed to the giant volume magnetostriction of about 1% by the IEM transition.

AB - La(FexSi1-x)13 compounds exhibit an itinerant-electron metamagnetic (IEM) transition above Curie temperature TC. The IEM transition in the compound with x=0.88 is accompanied by a giant volume change. From a practical viewpoint, TC was controlled by hydrogen absorption in order to obtain such a giant volume magnetostriction at room temperature. For the La(Fe0.88Si0.12)13H1.0 compound, the IEM transition occurs above TC = 278 K, and a significant isotropic linear magnetostriction of about 0.3% at 7 T is induced in the vicinity of room temperature. This large magnetostriction is attributed to the giant volume magnetostriction of about 1% by the IEM transition.

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Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe_0.88Si_0.12)₁₃H_y compounds

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