Negative out-of-plane magnetoresistance of Bi-2(Sr,La)(2)CuO6+delta single crystals

被引：10
|
作者：
Yoshizaki, R [1 ]
Ikeda, H [1 ]
机构：
[1] UNIV TSUKUBA, CRYOGEN CTR, TSUKUBA, IBARAKI 305, JAPAN
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1996年 / 271卷 / 1-2期
关键词：
Bi-2201; negative magnetoresistance; out-of-plane resistance; magneto-transport; spin gap;
D O I：
10.1016/S0921-4534(96)00555-2
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Lorentz-force independent magnetoresistance was observed below 200 K in slightly underdoped Bi-2(Sr,La)(2)CuO6+delta crystals, The positive out-of-plane magnetoresistance at 200 K is decreased as the temperature is lowered and turns to negative at about 50 K. The out-of-plane resistance shows log T dependence in zero magnetic field, and the divergent profile is suppressed in intense magnetic field. These results indicate the responsibility of spin correlation for the c-axis transport and are discussed from a view point of a possible pseudo-spin-gap formation in this one CuO2 layer system.
引用
收藏
页码：171 / 180
页数：10
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