Thermal properties of filled skutterudite PrOs4P12

被引：0

作者：

Matsuhira, Kazuyuki ^{[1
]}

Sekine, Chihiro ^{[2
]}

Wakeshima, Makoto ^{[3
]}

Hinatsu, Yukio ^{[3
]}

Amitsuka, Hiroshi ^{[4
]}

Mitamura, Hiroyuki ^{[5
]}

Sakakibara, Toshiro ^{[5
]}

Takagi, Seishi ^{[1
]}

机构：

[1] Kyushu Inst Technol, Grad Sch Engn, Kitakyushu, Fukuoka 8048550, Japan

[2] Muroran Inst Technol, Grad Sch Engn, Muroran, Hokkaido 0508585, Japan

[3] Hokkaido Univ, Grad Sch Sci, Dept Chem, Sapporo, Hokkaido 0600810, Japan

[4] Hokkaido Univ, Grad Sch Sci, Dept Phys, Sapporo, Hokkaido 0600810, Japan

[5] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2011年 / 80卷

关键词：

filled skutterudite; PrOs4P12; specific heat; thermoelectric power; high-field magnetization; HEAT; PR;

D O I：

10.1143/JPSJS.80SA.SA025

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the specific heat and thermoelectric power S (T) of filled skutterudite PrOs4P12, which has a Gamma(1) crystalline electric field ground state. The electronic specific heat coefficient gamma of PrOs4P12 indicates a weak enhanced value (gamma(Pr)/gamma(La) similar to 2.3) in comparison with that of LaOs4P12. The influence in the specific heat by c-f hybridization effect is discussed. S (T) of PrOs4P12 exhibits a small maximum around 10 K although there is no such maximum for LnOs(4)P(12) (Ln = La, Nd, and Gd). Consequently, S/T for Ln = Pr increases below 20 K, which is consistent with the enhanced gamma. We also report the magnetization process to 46 Tin PrOs4P12.

引用

页数：3

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