Effect of 520MeV Kr20+ Ion Irradiation on the Critical Current Density of Bi-2212 Single Crystals

Y. Ito,K. Kishio,S. Tanaka,N. Chikumoto,T. Terai

doi:10.1007/978-4-431-66871-8_112

Effect of 520MeV Kr20+ Ion Irradiation on the Critical Current Density of Bi-2212 Single Crystals

Y. Ito, K. Kishio + Show 3 more

https://doi.org/10.1007/978-4-431-66871-8_112

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Publication Date: Jan 1, 1996

Citations: 1

Affiliation: Tokyo University of Science, The University of Tokyo

#Bi-2212 Single Crystals #Irreversibility Magnetic Field + Show 8 more

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Abstract

Change in magnetic properties of Bi2Sr2CaCu2O8+y(Bi-2212) single crystals due to Kr20+ ion irradiation is reported, focused on critical current density and irreversibility magnetic field. The Bi-2212 single crystal specimens (3×3×0.3mm3) were prepared by the floating zone method. Each specimen was irradiated with 520MeV Kr20+ ions. The irradiation fluence range of 1010–1011 cm-2. Magnetic hysteresis was measured at 4.2K–60K with a vibrating sample magnetometer before and after irradiation. Very large enhancement was observed in critical current density and irreversibility magnetic field above 20K.

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