High-field magnetization of Sr1-xCaxRuO3

被引：55

作者：

Kiyama, T

Yoshimura, K

Kosuge, K

Mitamura, H

Goto, T

机构：

[1] Kyoto Univ, Grad Sch Sci, Div Chem, Kyoto 6068502, Japan

[2] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 1068666, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1999年 / 68卷 / 10期

关键词：

SrRuO3; CaRuO3; itinerant electron magnetism; itinerant electron metamagnetism;

D O I：

10.1143/JPSJ.68.3372

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Magnetic properties of Sr1-xCaxRuO9 have been investigated at temperatures from 4.2 up to 300 K and in magnetic fields up to 44 Tesla. The results of high-held magnetization process are consistent with the interpretation that this system ranges from an intermediate itinerant ferromagnetic metal to a strongly exchange-enhanced Pauli paramagnet (a nearly ferromagnetic metal) with increase of x. Although all the samples have indicated very large high-field magnetic susceptibility no symptoms of the occurrence of itinerant-electron metamagnetism, which is seen in some nearly ferromagnetic metals like YCo2, have been observed.

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页码：3372 / 3376

页数：5

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