Observation of weakly adsorbed oxygen on Y5Ba6Cu11Oy |
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| Authors: | Sendjaja Kao and K. Y. Simon Ng |
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| Affiliation: | (1) Department of Chemical Engineering, Wayne State University, 48202 Detroit, Michigan |
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| Abstract: | We observed, for the first time, adsorption of weakly bonded oxygen at low temperature (<-250°C) by a Y5Ba6Cu11O
y
sample, using thermogravimetric analysis. The resulting  oxygen enriched phase in the surface layers may be attributed to the observation of a superconductivity-like transition at above 200 K. |
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| Keywords: | Oxygen adsorption thermogravimetry Y5Ba6Cu11O
y
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