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Out-diffusion of oxygen in Bi-system superconducting oxide

โœ Scribed by C.J. Zhou; T.W. Li; T.G. Chen


Book ID
103945379
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
778 KB
Volume
179
Category
Article
ISSN
0921-4534

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Oxygen nonstoichiometry of 2223 phase Bi
โœ Yasushi Idemoto; Shigeto Ichikawa; Kazuo Fueki ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 525 KB

The oxygen nonstoichiometry of BiL74Pbo.27SrLs~Ca2.ogCu3.o4Oy (2223 phase) was determined as a function of temperature and oxygen partial pressure under the condition that Ca2PbO4 was not formed. It was also found that PbO evaporated from the 2223 phase about 700ยฐC in a low oxygen pressure range. Be