FLUX LATTICE BEHAVIOR IN HIGH-TC MATERIALS STUDIED BY NEUTRON DEPOLARIZATION

被引：8
|
作者：
CROW, ML [1 ]
GOYETTE, RJ [1 ]
NUNES, AC [1 ]
PICKART, SJ [1 ]
MCGUIRE, TR [1 ]
SHINDE, S [1 ]
SHAW, TM [1 ]
机构：
[1] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 67卷 / 09期
关键词：
D O I：
10.1063/1.344862
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The depolarization of a neutron beam passing through a sample of the high-Tc superconductor YBa2Cu3O 7-δ has been measured as a function of temperature and applied field. The difference in behavior between field-cooled and zero-field-cooled states, the observation of hysteresis correlated with Hc1, and the disappearance of the effect near 55 K (below Tc) suggest an explanation in terms of vortex line lattice formation with possible connection to recently proposed flux line entanglement and melting.
引用
收藏
页码：4542 / 4544
页数：3
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