Multiple ordered phases in the filled skutterudite compound PrOs4As12

被引：26

作者：

Yuhasz, WM ^{[1
]}

Butch, NP

Sayles, TA

Ho, PC

Jeffries, JR

Yanagisawa, T

Frederick, NA

Maple, MB

Henkie, Z

Pietraszko, A

McCall, SK

McElfresh, MW

Fluss, MJ

机构：

[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[2] Univ Calif San Diego, Inst Pure & Appl Phys Sci, La Jolla, CA 92093 USA

[3] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland

[4] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 14期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.73.144409

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetization, specific heat, and electrical resistivity measurements were made on single crystals of the filled skutterudite compound PrOs4As12. Specific heat measurements indicate an electronic specific heat coefficient gamma similar to 50-200 mJ/mol K-2 at temperatures 10 K <= T <= 18 K, and similar to 1 J/mol K-2 for T <= 1.6 K. The combined measurements reveal the presence of two, or possibly three, ordered phases at temperatures below similar to 2.3 K and in fields below similar to 3 T. The low temperature phase displays antiferromagnetic characteristics, while the nature of the ordering in the other phase(s) has yet to be determined.

引用

页数：5

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