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

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

Research output: Contribution to journalArticle

126 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)653-655
Number of pages3
JournalApplied Physics Letters
Volume79
Issue number5
DOIs
Publication statusPublished - Jul 30 2001
Externally publishedYes

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electron transitions
magnetostriction
electrons
room temperature
Curie temperature
transition temperature
hydrogen

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe0.88Si0.12)13Hy compounds. / Fujieda, S.; Fujita, A.; Fukamichi, K.; Yamazaki, Yoshihiro; Iijima, Y.

In: Applied Physics Letters, Vol. 79, No. 5, 30.07.2001, p. 653-655.

Research output: Contribution to journalArticle

Fujieda, S. ; Fujita, A. ; Fukamichi, K. ; Yamazaki, Yoshihiro ; Iijima, Y. / Giant isotropic magnetostriction of itinerant-electron metamagnetic La(Fe0.88Si0.12)13Hy compounds. In: Applied Physics Letters. 2001 ; Vol. 79, No. 5. pp. 653-655.
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