Effect of Pressure on the Metamagnetism in YbIr2Zn20

被引：0

作者：

Honda, Fuminori ^{[1
]}

Yasui, Shinichi ^{[1
]}

Yoshiuchi, Shingo ^{[1
]}

Takeuchi, Tetsuya ^{[2
]}

Settai, Rikio ^{[1
]}

Onuki, Yoshichika ^{[1
]}

机构：

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

[2] Osaka Univ, Low Temp Ctr, Toyonaka, Osaka 5600043, Japan

来源：

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

关键词：

YbIr2Zn20; metamagnetism; high pressure;

D O I：

10.1143/JPSJS.80SA.SA050

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured the electrical resistivity under magnetic field and pressure for YbIr2Zn20 with the cubic caged structure, and created the evolution of an electronic state in the quantum critical region. The new electronic state at about 5.0 GPa corresponds to the heavy ferrmion state with a very small Kondo temperature T-K = 0.1 - 0.2 K from the metamagnetic behavior observed at the magnetic field H-m = 1.5 kOe. The corresponding cyclotron effective mass at 0 kOe is estimated to be about 450 m(0).

引用

页数：3

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