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Superconductivity of Bi1.6Pb0.4Sr2Ca2(Cu1-xAgx 30y and Bi1.6Pb0.4Sr2Ca2Cu30y + wt% Ag

Published online by Cambridge University Press:  28 February 2011

Chongde Vei ,
Chin Lin ,
Qingrong Peng ,
Zunxiao Liu ,
JIAN Lan ,
YUNXI Sun ,
Guozhong Li ,
Ke Vu ,
Lixin Xue  and
Zizhao Gan
Chongde Vei
Affiliation:
Department of Physics, Peking University, Beijing, China
Chin Lin
Affiliation:
Department of Physics, Peking University, Beijing, China
Qingrong Peng
Affiliation:
Department of Physics, Peking University, Beijing, China
Zunxiao Liu
Affiliation:
Department of Physics, Peking University, Beijing, China
JIAN Lan
Affiliation:
Department of Physics, Peking University, Beijing, China
YUNXI Sun
Affiliation:
Department of Physics, Peking University, Beijing, China
Guozhong Li
Affiliation:
Department of Physics, Peking University, Beijing, China
Ke Vu
Affiliation:
Department of Physics, Peking University, Beijing, China
Lixin Xue
Affiliation:
Department of Physics, Peking University, Beijing, China
Zizhao Gan
Affiliation:
Department of Physics, Peking University, Beijing, China
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Abstract

Both interstitially Ag-doped Bi1.6Pb0.4Sr2Ca2Cu30y + x(wt%) Ag with x = 0.5, 1.0, 5.0, 10.0, 15.0, and substitutionally doped Bi1.6Pb0.4Sr2Ca2(Cu1-xAgx)0y with x = 0.025, 0.05, 0.10, 0.20, 0.40 systems were studied. Magnetic susceptibility Measurements indicate that both the interstitial and substitutional Ag-doping yield auch higher diaiagnetic signal for ZFC in a field of 60 0e at 5 K. At 80 K, -4πH/H was also enhanced by Ag-doping for H<200 Oe. Substitutionally Ag-doping also enhances the Magnetic critical current for x ≤ 0.2. Possible explanation was discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 1089
Copyright
Copyright © Materials Research Society 1990

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References

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