ON THE 110K SUPERCONDUCTING PHASE IN THE Bi-Sr-Ca-Cu OXIDE SYSTEM

Z Y Ran,Xiangping Chu,J H Wang,D N Zheng,S L Jia, Z H Mai,Z X Zhao

Modern Physics Letters B（2011）

引用 14|浏览6

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摘要

We have prepared material with high content of 110K superconducting phase by a novel two-step synthetic method. The samples have been characterized by both resistive and a.c. magnetic measurements, secondary electron microscopy, EDX micro-analysis and X-ray diffraction. The 110K superconducting phase has been found to be the Bi 2 Sr 2 Ca 2 Cu 3 O y compound with a layered orthorhombic structure, with a=5.42, b=5.44 and c=36.8 Å respectively.

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关键词

copper,electron microscopy,materials science,electric conductivity,alkaline earth metal,secondary electron,crystal structure,x ray diffraction

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