Directional behavior of nuclear quadrupole resonance in YBa2Cu3O6

被引:2
|
作者
Lee, CE [1 ]
Huh, SH [1 ]
机构
[1] Korea Univ, Dept Phys, Seoul 136701, South Korea
关键词
high T-c superconductors; YBaCu3O6; magnetic alignment; anisotropy;
D O I
10.1016/S1567-1739(02)00149-9
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Powder samples of YBa2Cu3O6 were magnetically aligned and the anisotropies in the systems were studied by means of Cu(1) nuclear quadrupole resonance (NQR) in the absence of external magnetic fields. Our room temperature measurements of the NQR lineshapes and the spin-lattice and spin-spin relaxation times as a function of the aligning magnetic field indicate that full microscopic alignment can be achieved by using a magnetic field of about 4.7 T, for which doublet line patterns arising from a hyperfine splitting were observed. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:521 / 524
页数:4
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