MAGNETIC-ANISOTROPY OF A BI2SR2CACU2OX SINGLE-CRYSTAL

被引:189
作者
MARTINEZ, JC
BRONGERSMA, SH
KOSHELEV, A
IVLEV, B
KES, PH
GRIESSEN, RP
DEGROOT, DG
TARNAVSKI, Z
MENOVSKY, AA
机构
[1] FREE UNIV AMSTERDAM,DEPT PHYS,1081 HV AMSTERDAM,NETHERLANDS
[2] LD LANDAU THEORET PHYS INST,MOSCOW 117940,USSR
[3] UNIV AMSTERDAM,DEPT PHYS,1018 XE AMSTERDAM,NETHERLANDS
[4] CHERNOGOLOVKA SOLID STATE PHYS INST,CHERNOGOLOVKA 142432,USSR
关键词
D O I
10.1103/PhysRevLett.69.2276
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
New magnetic torque measurements on a high-quality Bi2Sr2CaCu2Ox single crystal show that only a lower bound for the anisotropy parameter gamma > 150 can be given. For misorientations of the field H from the (a, b) plane larger than 0.5-degrees, the results can be rescaled to magnetization M vs H. The behavior of M can be consistently described by a recent theory of Bulaevskii, Ledvij, and Kogan.
引用
收藏
页码:2276 / 2279
页数:4
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