Nonresonant microwave absorption study of intrinsic Josephson coupling in Bi2Sr2CaCu2O8 single crystals

Rastogi, Amit ; Sudershan, Y. S. ; Bhat, S. V. ; Grover, A. K. ; Yamaguchi, Y. ; Oka, K. ; Nishihara, Y. (1996) Nonresonant microwave absorption study of intrinsic Josephson coupling in Bi2Sr2CaCu2O8 single crystals Physical Review B, 53 (14). pp. 9366-9370. ISSN 0163-1829

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Official URL: http://prb.aps.org/abstract/PRB/v53/i14/p9366_1

Related URL: http://dx.doi.org/10.1103/PhysRevB.53.9366

Abstract

The results of nonresonant microwave absorption (NRMA) studies in Bi2212 single crystals for the H||c axis and H||ab plane are reported. In the former orientation, over a few degrees below Tc, the NRMA signal shapes evolve continuously as a function of temperature. We interpret these results as indicative of rapid strengthening of Josephson coupling between the pancake vortices in the CuO2 bilayers on cooling below Tc. For H||ab there is almost no change in the signal shape in the temperature range studied. In this case, no loss component attributable to Josephson coupling is observed.

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Deposited On:12 Nov 2010 09:04
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