Metamagnetic Transition in PrCu2 Studied by the de Haas-van Alphen Effect

Rikio Settai; Melike Abliz; Parhat Ahmet; Kazuyuki Motoki; Noriaki Kimura; Haruhisa Ikezawa; Takao Ebihara; Hitoshi Sugawara; Kiyohiro Sugiyama; Yoshichika Onuki

doi:10.1143/jpsj.64.383

Metamagnetic Transition in PrCu₂ Studied by the de Haas-van Alphen Effect

Rikio Settai, Melike Abliz, Parhat Ahmet, Kazuyuki Motoki, Noriaki Kimura, Haruhisa Ikezawa, Takao Ebihara, Hitoshi Sugawara, Kiyohiro Sugiyama, Yoshichika Onuki

著者情報

キーワード: metamagnetic transition, PrCu₂, Jahn-Teller effect, de Haas-van Alphen effect, quadrupole moment

ジャーナル認証あり

1995 年 64 巻 2 号 p. 383-386

DOI https://doi.org/10.1143/jpsj.64.383

詳細

抄録

We have observed a metamagnetic transition in PrCu₂ where a cooperative Jahn-Teller effect occurs below 8, K. This transition brings about a conversion between an easy and a hard axes in magnetization, which is reflected in a drastic change of the de Haas-van Alphen amplitude, that is a change of the scattering lifetime of conduction electrons. The origin of the metamagnetic transition is ascribed to a quadrupole moment of the 4f level.

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