Fermi surface and superconducting properties in Sr2RuO4

被引：6

作者：

Yoshida, Y ^{[1
]}

Mukai, A

Miyake, K

Watanabe, N

Settaia, R

Onuki, Y

Matsuda, TD

Aoki, Y

Sato, H

Miyamoto, Y

Wada, N

机构：

[1] Osaka Univ, Grad Sch Sci, Onuki Lab, Toyonaka, Osaka 5600043, Japan

[2] Tokyo Metropolitan Univ, Dept Phys, Fac Sci, Hachioji, Tokyo 1920364, Japan

[3] Univ Tokyo, Grad Sch Arts & Sci, Inst Phys, Meguro Ku, Tokyo 1538902, Japan

来源：

PHYSICA B | 2000年 / 281卷

基金：

日本学术振兴会;

关键词：

Fermi surface; specific heat; superconductivity; de Haas-van Alphen; Sr2RuO4;

D O I：

10.1016/S0921-4526(99)00891-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We measured the low-temperature specific heat and de Haas-van Alphen oscillation in Sr2RuO4. The electronic specific heat C-c follows a T-2-dependence below 0.7 K for the sample with a superconducting critical temperature T-c = 1.52 K, suggesting line nodes in the superconducting gap. Three kinds of cylindrical Fermi surfaces were discussed from a view point of their cyclotron effective masses. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：959 / 960

页数：2

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