Effects of 200-MeV Ag-ion irradiation on magnetization in a Bi2Sr2CaCu2O8+y single crystal

Pradhan, A. K. ; Roy, S. B. ; Chaddah, P. ; Kanjilal, D. ; Chen, C. ; Wanklyn, B. M. (1996) Effects of 200-MeV Ag-ion irradiation on magnetization in a Bi2Sr2CaCu2O8+y single crystal Physical Review B: Condensed Matter and Materials Physics, 53 (5). pp. 2269-2272. ISSN 1098-0121

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Official URL: http://prb.aps.org/abstract/PRB/v53/i5/p2269_1

Related URL: http://dx.doi.org/10.1103/PhysRevB.53.2269

Abstract

We report a dramatic change in the magnetization double peak anomaly and irreversibility line of a Bi2Sr2CaCu2O8+y [BSCCO(2212)] single crystal after irradiation with 200-MeV Ag ions. We found that the partial destruction and ineffectiveness of dislocation networks in the CuO2 planes of the BSCCO crystal after irradiation are responsible for the disappearance of the double peak anomaly. Ag irradiation induces damage in the form of columnar defects which cause an enhancement of flux pinning and a shift in the irreversibility line towards higher temperatures.

Item Type:Article
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ID Code:84655
Deposited On:27 Feb 2012 12:17
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