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HIGH-RESOLUTION MICROCHEMISTRY AND STRUCTURE OF GRAIN-BOUNDARIES IN BULK Y1BA2CU3O7-X

Abstract:

A simple chemical thinning process has been developed which allows high-quality TEM specimens to be prepared from bulk Y1Ba2Cu3O7-x (YBCO) material. This enabled the microchemistry of a statistically significant number of grain boundaries, with a wide range of misorientations, to be studied using TEM, STEM and EDX techniques. In YBCO samples where the overall stoichiometry is exactly 1:2:3 no unreacted CuO, BaCO3 or Y2O3 are present as grain boundary phases. Significant traces of segregated i...

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Publication status:
Published

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Publisher copy:
10.1088/0953-2048/1/6/002

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Journal:
SUPERCONDUCTOR SCIENCE and TECHNOLOGY
Volume:
1
Issue:
6
Pages:
285-290
Publication date:
1989-01-01
DOI:
EISSN:
1361-6668
ISSN:
0953-2048
URN:
uuid:057949e0-f0c3-42b3-b60f-0607ffc91418
Source identifiers:
26991
Local pid:
pubs:26991
Language:
English

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