Evidence for Intrinsic Josephson Junctions in a Single Crystal of YBa2Cu3O7-δ

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Title:	Evidence for Intrinsic Josephson Junctions in a Single Crystal of YBa2Cu3O7-δ
Authors:	D. C. Ling;J. T. Chen;L. E. Wenger
Contributors:	淡江大學物理學系
Date:	1996-04
Issue Date:	2013-06-13 11:23:17 (UTC+8)
Publisher:	Taipei: Zhonghua Minguo Wuli Xuehui
Abstract:	In the resistive transition just below Tc, the c-axis dynamic resistance of a YBa2Cu3O7-δ single crystal as a function of the external dc magnetic field applied parallel to the ab-plane shows peaks suggestive of the existence of Josephson junctions within the single crystal. Two types of Josephson junctions can be inferred: one group formed by the CuO2-Y-CuO2 triple atomic planes within the same unit cell and the other by the bilayers of CuO2 planes from different unit cells. Secondly, the microwave-induced dc voltages across an unbiased single crystal exhibit behaviors that are consistent with the inverse ac Josephson effect, further indicating the existence of Josephson junctions within the single crystal.
Relation:	Chinese Journal of Physics=中國物理學刊 34(2S), pp.442
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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