Magnetization, magnetic transition and magnetic entropy changes of bulk MnAs1-xSbx fabricated by underwater shock compaction

Youngkook Kim; Hirofumi Wada; Yeonwon Lee; Shigeru Itoh

doi:10.1016/j.mseb.2010.01.056

Magnetization, magnetic transition and magnetic entropy changes of bulk MnAs_1-xSb_x fabricated by underwater shock compaction

Youngkook Kim, Hirofumi Wada, Yeonwon Lee, Shigeru Itoh

Condensed Matter Physics

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

5 Citations (Scopus)

Abstract

MnAs_1-xSb_x (x = 0.068, 0.073) materials were fabricated by means of underwater shock compaction technique. A peak shock pressure of water acting on the powders was about 16 GPa. It was confirmed that underwater shock compaction leads to the compositional inhomogeneity, broad magnetic transition and lower magnetization and magnetic entropy changes of MnAs_1-xSb_x. However, these problems were improved by a post-annealing. Consequently, the post-annealed samples after the shock compaction exhibit the sharp magnetic transitions and high magnetic entropy changes of in a field of 1 T.

Original language	English
Pages (from-to)	114-118
Number of pages	5
Journal	Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume	167
Issue number	2
DOIs	https://doi.org/10.1016/j.mseb.2010.01.056
Publication status	Published - Mar 15 2010

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.mseb.2010.01.056

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Magnetization, magnetic transition and magnetic entropy changes of bulk MnAs_1-xSb_x fabricated by underwater shock compaction. / Kim, Youngkook; Wada, Hirofumi; Lee, Yeonwon et al.
In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, Vol. 167, No. 2, 15.03.2010, p. 114-118.

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

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AB - MnAs1-xSbx (x = 0.068, 0.073) materials were fabricated by means of underwater shock compaction technique. A peak shock pressure of water acting on the powders was about 16 GPa. It was confirmed that underwater shock compaction leads to the compositional inhomogeneity, broad magnetic transition and lower magnetization and magnetic entropy changes of MnAs1-xSbx. However, these problems were improved by a post-annealing. Consequently, the post-annealed samples after the shock compaction exhibit the sharp magnetic transitions and high magnetic entropy changes of in a field of 1 T.

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Magnetization, magnetic transition and magnetic entropy changes of bulk MnAs_1-xSb_x fabricated by underwater shock compaction

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