Anomalous field and temperature dependence of the dHvA oscillations in PrPb3

被引：9

作者：

Endo, Motoki ^{[1
]}

Kimura, Noriaki ^{[1
]}

Aoki, Haruyoshi ^{[1
]}

Terashima, Taichi ^{[2
]}

Uji, Shinya ^{[2
]}

Terakura, Chieko ^{[2
]}

Matsumoto, Takehiko ^{[2
]}

机构：

[1] Tohoku Univ, Ctr Low Temp Sci, Sendai, Miyagi 9808578, Japan

[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050003, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2002年 / 71卷

关键词：

quadrupole order; de Hass-van Alphen effect; Fermi surface; effective mass; PrPb3;

D O I：

10.1143/JPSJS.71S.127

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed wave.form.i.nalysis of the dlIvA oscillations in PrPb3 to investigate the interaction between conduction electrons and quadrupoles. It i.s found that each dFIvA oscillation consists of two component oscillations which most likely originate from the up and down spin bands, and the effective masses of the two component oscillations differ from each other by about a fa tor of two or more, although the frequencies are close to each other. Analysis of the gamma oscillation indicates that the eFfectk'e aims is enhanced near the phase boundary between part and antiferro-quadrupolar phases and decreases with increasing field it higher magnetic fields.

引用

页码：127 / 129

页数：3

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