Collapse of Valence Transition in [Formula presented]: Pressure-Induced Weak Ferromagnetism

A. Mitsuda, T. Goto, K. Yoshimura, W. Zhang, N. Sato, K. Kosuge, H. Wada

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Abstract

We investigated the magnetization of [Formula presented] as a function of temperature down to 0.6 K, pressure up to 1.2 GPa, and magnetic field up to 9 T. The valence transition temperature of [Formula presented] is lowered with applying pressure. At 0.8 GPa, collapse of the valence transition and ferromagnetic ordering occur almost simultaneously. The ferromagnetic phase at 1.2 GPa is characterized by a low Curie temperature of 1.7 K and an extremely small ordered moment of [Formula presented] per Yb. Some effect of screening the ordered moment may play a key role in the ferromagnetism and the valence transition.

Original languageEnglish
Number of pages1
JournalPhysical Review Letters
Volume88
Issue number13
DOIs
Publication statusPublished - Jan 1 2002
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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