TRANSITION OF F-ELECTRON NATURE FROM ITINERANT TO LOCALIZED - METAMAGNETIC TRANSITION IN CERU2SI2 STUDIED VIA THE DE-HAAS-VAN-ALPHEN EFFECT

被引：198

作者：

AOKI, H ^{[1
]}

UJI, S ^{[1
]}

ALBESSARD, AK ^{[1
]}

ONUKI, Y ^{[1
]}

机构：

[1] UNIV TSUKUBA,INST MAT SCI,TSUKUBA,IBARAKI 305,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.71.2110

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the measurements of the de Haas-van Alphen (dHvA) effect for field ranges below and above the metamagnetic transition field (H(m)) in CeRu2Si2. The dHvA frequency branches and the effective masses ranging from 1.5m0 to 120m0 observed below H(m) agree with the predictions of the itinerant f electron model, whereas those above H(m) can be explained well with the localized f electron model. All the dHvA frequencies change abruptly around H(m). The effective masses decrease considerably around H(m) and then continue to decrease with increasing field.

引用

页码：2110 / 2113

页数：4

共 20 条

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