✦ LIBER ✦

Thermodynamic and electrical properties at high temperature of the Zn-substituted YBaCuO oxides with 4% Zn

✍ Scribed by J.F. Marucco; C. Legros; D. Colson

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 282 KB
Volume: 235-240
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(94)91890-2

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✦ Synopsis

Thermodynamic and electrical properties of YBa2Cu2.88Zn0.12Oz have been investigated in conditions of thermodynamic equilibria between 300 and 900°C with atmosphere of O2-N2 mixtures. The results have been interpreted in term of point defects and the maximum oxygen content z = 6.92 suggests oxygen vacancies localized on bridging oxygen. Electrical properties (resistivity and thermopower) measured on the same conditions are characterized by a transition n-p near the stoichiometry and two semiconducting domains

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