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ATMOSPHERIC DEGRADATION OF YBA2CU3O7 - A STUDY BY INFRARED REFLECTANCE, RAMAN-SCATTERING, AND X-RAY PHOTOELECTRON-SPECTROSCOPY

Abstract:
Infrared reflectance spectroscopy, Raman scattering, and X-ray photoelectron spectroscopy have been used to study the atmospheric degradation of YBa2Cu3O7-δ. The degradation reaction: 2YBa2Cu3O7 + 3CO2 → Y2BaCuO5 + 5CuO + 3BaCO3 + 0.502 is strongly catalyzed by water vapor, and carbonate species build up in a matter of hours on an IR depth scale at room temperature in water vapor saturated air. The reaction is rapid even for reduced samples (x = 1.0) containing no Cu(III). © 1989.
Publication status:
Published

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Authors


FLAVELL, W More by this author
HOLLAMBY, P More by this author
Journal:
JOURNAL OF SOLID STATE CHEMISTRY
Volume:
79
Issue:
2
Pages:
238-249
Publication date:
1989-04-05
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
URN:
uuid:e66da515-4fcc-4b2d-b654-c492241e24ac
Source identifiers:
43188
Local pid:
pubs:43188
Language:
English

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