Low temperature magnetization of PrOs4Sb12 under pressure

被引：1
|
作者：
Tayama, T. [1 ]
Sakakibara, T.
Sugawara, H.
Sato, H.
机构：
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[2] Univ Tokushima, Fac Integrated Arts & Sci, Tokushima 7708502, Japan
[3] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 19203, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期
关键词：
skutterudite; heavy-fermion superconductor; magnetization; pressure effect;
D O I：
10.1016/j.jmmm.2006.10.042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present dc magnetization data for the heavy fermion superconductor PrOs4Sb12 under pressures up to 1: 45 GPa. With increasing pressure, the superconducting region becomes smaller, while the antiferroquadrupolar region moves significantly to lower fields. Our results strongly suggest that the crystal field energy splitting of a Gamma(1) singlet ground state and a Gamma((2))(4) triplet first excited state decreases with an increase in pressure. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：274 / 276
页数：3
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