STUDY ON THE HIGH-TEMPERATURE RESISTIVITY OF Bi1.6Pb0.4Sr2Ca2Cu3Ox | Zendy

Liuwan Zhang | Zendy; Tingguo Chen | Zendy

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STUDY ON THE HIGH-TEMPERATURE RESISTIVITY OF Bi1.6Pb0.4Sr2Ca2Cu3Ox

Author(s) -

Liuwan Zhang,

Tingguo Chen

Publication year - 1998

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.47.1906

Subject(s) - electrical resistivity and conductivity , materials science , annealing (glass) , oxygen , microstructure , metal , high temperature superconductivity , superconductivity , ion , condensed matter physics , analytical chemistry (journal) , composite material , metallurgy , chemistry , physics , organic chemistry , chromatography , electrical engineering , engineering

The effects of heat treatments on the resistivity of BPSCCO-2223 superconductor were studied. The anomalous behavior in high-temperature resistivity was observed. It was shown that upon annealing in N2 at high temperatures, the oxygen escaped not only from Bi-O layer but also from Cu-O layer accompanied with the movement of metal ions. The change in oxygen content and the redistri-bution of oxygen and metal atoms diversified the microstructure of BPSCCO-2223 phase.

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