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
收藏
页码：630 / 634
页数：5
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