Anomalous transport and electronic properties of Yb4As3 under high pressure

被引：11

作者：

Mori, N

Takahashi, H

Sekine, Y

Ochiai, A

Haga, Y

Suzuki, T

Kashiwakura, T

Nakai, S

Nomura, M

机构：

[1] NIIGATA UNIV,FAC ENGN,NIIGATA 95021,JAPAN

[2] JAPAN ATOM ENERGY RES INST,ASRC,TOKAI,IBARAKI 31911,JAPAN

[3] TOHOKU UNIV,FAC SCI,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN

[4] UTSUNOMIYA UNIV,FAC ENGN,UTSUNOMIYA,TOCHIGI 321,JAPAN

[5] NATL LAB HIGH ENERGY PHYS,PHOTON FACTORY,TSUKUBA,IBARAKI 305,JAPAN

来源：

PHYSICA B | 1997年 / 230卷

关键词：

Yb4As3; Yb4Sb3; heavy electron system; pressure dependence;

D O I：

10.1016/S0921-4526(96)00711-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Yb4As3 shows anomalous transport phenomena below the phase-transition temperature associated with an order-disorder transition due to the atomic arrangement between Yb3+ and Yb2+. Although the L-III spectrum shows no change in valence above and below the temperature, the large increase of the trivalent component has been clearly observed with increasing pressure. Comparing the pressure- and temperature-dependent resistivity between Yb4As3 and Yb4Sb3, it is suggested that the anomalous transport properties of Yb4As3 are due to a characteristic electronic structure modulated with the phase transition.

引用

页码：630 / 634

页数：5

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