Low-temperature magnetostriction of Sr3Ru2O7

被引：7

作者：

Gegenwart, P ^{[1
]}

Weickert, F

Perry, RS

Maeno, Y

机构：

[1] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany

[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[3] Kyoto Univ, Int Innovat Ctr, Kyoto 6068501, Japan

[4] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

来源：

PHYSICA B-CONDENSED MATTER | 2006年 / 378-80卷

关键词：

quantum criticality; metamagnetism; Sr3Ru2O7;

D O I：

10.1016/j.physb.2006.01.047

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Itinerant-electron metamagnetism in the bilayer ruthenate Sr3Ru2O7 is studied by c-axis magnetostriction measurements on a high-quality single crystal in magnetic fields up to 18 T and at temperatures down to 20 mK. The positive linear magnetostriction coefficient suggests an initial decrease of the magnetization under c-axis uniaxial pressure. A highly enhanced magnetic Gruneisen parameter Gamma(H) = 106 indicates a strong magnetoelastic coupling. The system is particularly sensitive to c-axis strain. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：117 / 118

页数：2

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