Field-induced valence transition of EuNi2(Si1-xGex)2 in ultra-high magnetic fields

M. Shiga, Akihiro Mitsuda, Hirofumi Wada, V. V. Platonov, O. M. Tatsenko, V. D. Selemir, R. Z. Levitin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The EuNi2(Si1-xGex)2 system exhibits a temperature- and field-induced valence transition from Eu3+ to Eu2+ in the concentration range 0.75≤x≤0.85. In this study, we performed magnetization measurements on compounds with 0.5≤x≤0.75 in ultra-high fields up to 300 T generated by explosive compression of magnetic flux. We observed a jump of the magnetization, indicating a field-induced valence change from Eu3+ to Eu2+ for each compound. The critical field increases linearly with decreasing x and reaches a value of 225 T for x = 0.5.

Original languageEnglish
Pages (from-to)262-266
Number of pages5
JournalPhysica B: Condensed Matter
Volume294-295
DOIs
Publication statusPublished - Jan 1 2001
Externally publishedYes

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Magnetization
Magnetic fields
valence
magnetization
Magnetic flux
magnetic fields
magnetic flux
Compaction
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Field-induced valence transition of EuNi2(Si1-xGex)2 in ultra-high magnetic fields. / Shiga, M.; Mitsuda, Akihiro; Wada, Hirofumi; Platonov, V. V.; Tatsenko, O. M.; Selemir, V. D.; Levitin, R. Z.

In: Physica B: Condensed Matter, Vol. 294-295, 01.01.2001, p. 262-266.

Research output: Contribution to journalArticle

Shiga, M. ; Mitsuda, Akihiro ; Wada, Hirofumi ; Platonov, V. V. ; Tatsenko, O. M. ; Selemir, V. D. ; Levitin, R. Z. / Field-induced valence transition of EuNi2(Si1-xGex)2 in ultra-high magnetic fields. In: Physica B: Condensed Matter. 2001 ; Vol. 294-295. pp. 262-266.
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