DEHAASVANALPHEN MEASUREMENT OF YBA2CU3O7

被引:39
作者
KIDO, G [1 ]
KOMORITA, K [1 ]
KATAYAMAYOSHIDA, H [1 ]
TAKAHASHI, T [1 ]
机构
[1] TOHOKU UNIV,FAC SCI,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN
关键词
FERMI SURFACE; OXIDE SUPERCONDUCTOR;
D O I
10.1016/0022-3697(91)90126-K
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The de Haas-van Alphen effect has been measured in magnetically oriented powder YBa2Cu3O7 in steady high magnetic fields up to 27 T at the temperature range between 1.8 and 4.2 K. The magnetic fields were generated by hybrid magnets, and the oscillatory magnetization was detected by a modulation method. A broad band centered at 540 +/- 30 T, which corresponds to an extremal cross-section of 0.052 +/- 0.003 A-2, appeared in the Fourier spectrum for H//c-axis. The effective mass was estimated to be 2.1 +/- 0.5 m(e).
引用
收藏
页码:1465 / 1470
页数:6
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