Upper critical field of gold-dopedYBa2Cu3O7−δ

Autor:	Kelleher Kh, Shaw Tm, Figat Ra, Duncombe Pr, Däumling M
Rok vydání:	1993
Předmět:	Magnetization Materials science Lattice constant Optical microscope Condensed matter physics law Transition temperature Doping Ginzburg–Landau theory Microstructure Critical field law.invention
Zdroj:	Physical Review B. 47:6177-6179
ISSN:	1095-3795 0163-1829
DOI:	10.1103/physrevb.47.6177
Popis:	Specimens of YBa 2 Cu 3 O 7-δ containing 2.2 at. % Au were prepared using a zone-melting technique. Optical microscopy, x-ray lattice parameter, and fluorescence measurements were used to characterize the morphology and gold content of the specimens. A comparison of the values of the reversible magnetization leads to the conclusion that the upper critical field in the Au-doped specimens is significantly lower than in undoped samples prepared in an identical fashion
Databáze:	OpenAIRE
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