Effect of fluorine on the generation of Y2BaCuO5 particles in YBa2Cu3Ox superconductors

Autor:	T. Hamada, R. Morimo
Rok vydání:	1995
Předmět:	Diffraction Superconductivity Chemistry Analytical chemistry Fluorine Mineralogy chemistry.chemical_element Critical current Condensed Matter Physics Microstructure Decomposition Electronic Optical and Magnetic Materials
Zdroj:	Physica Status Solidi (a). 151:199-204
ISSN:	1521-396X 0031-8965
DOI:	10.1002/pssa.2211510123
Popis:	An experimental study is carried out to clarify the effect of fluorine on the generation of Y 2 BaCuO 5 particles in the fluorine-doped YBa 2 CU 3 O x superconductors. The fluorine in the sample exists as BaF 2 which has a fostering effect on Y 2 BaCuO 5 particles in YBa 2 Cu 3 O x superconductors. The Y 2 BaCu0 5 particles in fluorine-doped YBa 2 Cu 3 O x superconductors are produced by decomposition of BaF 2 , the fluorine being lost in the atmosphere. The diffraction peaks of BaF 2 after cooling to 800°C do not appear in the X-ray measurement. The quantitative analysis shows that the percentage of fluorine increases with increase of temperature above 900°C.
Databáze:	OpenAIRE
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