Negative thermal expansion of HTSC-type structures: low temperature structure measurements on Eu1+x(Ba1−yRy)2−xCu3O7−d compounds and theoretical treatment

Autor:	M. Yu. Shvedun, Igor Gospodarev, V. A. Sirenko, M. Tovar, S. B. Feodosyev, V. V. Eremenko, W. McCallum
Rok vydání:	2005
Předmět:	Diffraction High-temperature superconductivity Materials science Physics and Astronomy (miscellaneous) Condensed matter physics Rare earth General Physics and Astronomy Thermal expansion law.invention Lattice constant Negative thermal expansion law Lattice (order) X-ray crystallography
Zdroj:	Low Temperature Physics. 31:263-267
ISSN:	1090-6517 1063-777X
DOI:	10.1063/1.1884428
Popis:	The temperature dependences of the lattice parameters are investigated on the perovskite-like structures Eu1+x(Ba1−yRy)2−xCu3O7−d with Ba substitution by light rare earth, using x-ray diffraction techniques. A negative thermal expansion effect is observed and explained in detail.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c949bbac4d5cf9d07dfe657135dc032b https://doi.org/10.1063/1.1884428 Zobrazit plný text záznamu