SPIN SUSCEPTIBILITY IN UNDERDOPED YBACUO SINGLE-CRYSTALS FROM NMR

被引:6
作者
AULER, T
BERTHIER, C
BERTHIER, Y
CARRETTA, P
GILLET, JA
HORVATIC, M
SEGRANSAN, P
HENRY, JY
机构
[1] CNRS,CHAMPS MAGNET INTENSES LAB,F-38042 GRENOBLE,FRANCE
[2] MPI,F-38042 GRENOBLE,FRANCE
[3] CEN GRENOBLE,DEPT RECH FONDAMENTALE,F-38401 GRENOBLE,FRANCE
来源
PHYSICA C | 1994年 / 235卷
关键词
D O I
10.1016/0921-4534(94)92060-5
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report on Y-89, Cu-63 and O-17 NMR measurements in the normal state of YBaCuO single crystals (T-c = 91 K and T-c = 48 K). A comprehensive description of all NMR results is obtained starting from a spin susceptibility with a contribution from antiferromagnetic spin fluctuations delineated by the inelastic neutron scattering data, and a contribution from itinerant quasi-particles with a characteristic frequency increasing at low temperatures. For the first time a complete analysis is given for yttrium spin-lattice relaxation data.
引用
收藏
页码:1677 / 1678
页数:2
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