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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/935

Title: Non-resonant microwave absorption evidence for intrinsic Josephson coupling in Tl2Ba2CaCu2O8 single crystals
Authors: JOSHI, JANHAVI P
ANAND, A
BHAT, SV
CHOWDHURY, P
BHATIA, SN
Keywords: single crystals
thermal effects
magnetic field effects
josephson junction devices
Issue Date: 2000
Publisher: Elsevier
Citation: Physica C: Superconductivity 341-348(2), 1229-1230
Abstract: We report the results of our non-resonant microwave absorption (NRMA) studies on single crystals of Tl2Ba2CaCu2O8 (Tl 2212) which reflect the occurrence of intrinsic Josephson coupling in these crystals. We have studied the magnetic field induced microwave absorption at various temperatures from 4.2K to Tc (~104K) using a standard CW EPR spectrometer (Hdc//c). We observe the appearance of a characteristic feature in the NRMA signals similar to the ones observed earlier by us in Bi2Sr2CaCu2O8 (Bi 2212) starting a few degrees below Tc, which on cooling passes through a maximum in intensity before disappearing at a further low temperature. This behaviour is attributed to the appearance, strengthening and disappearance of Josephson response consequent to the temperature dependence of the viscosity of the Josephson medium between the CuO2 superconducting sheets.
URI: http://dx.doi.org/10.1016/S0921-4534(00)01133-3
http://hdl.handle.net/10054/935
http://dspace.library.iitb.ac.in/xmlui/handle/10054/935
ISSN: 0921-4534
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