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Single crystal growth and characterization of the large-unit-cell compound Cu13Ba

TitleSingle crystal growth and characterization of the large-unit-cell compound Cu13Ba
Publication TypeJournal Article
Year of Publication2014
AuthorsJesche, A, Bud'ko, SL, Canfield, PC
JournalJournal of Alloys and Compounds
Volume587
Pagination705-709
Date Published02
Type of ArticleArticle
ISBN Number0925-8388
Accession NumberWOS:000329114100110
Keywordsalloys, copper, Crystal growth, Intermetallics, Kondo effect, Low temperatures, Magnetic measurements, minimum, quasi-crystals, resistivity, system
Abstract

Single crystals of Cu13Ba were successfully grown out of Ba-Cu self flux. Temperature dependent magnetization, M(T), electrical resistivity, rho(T), and specific heat, C-p(T), data are reported. Isothermal magnetization measurements, M(H), show clear de Haas-van Alphen oscillations at T = 2 K for applied fields as low as mu H-0-1T. An anomalous behavior of the magnetic susceptibility is observed up to T approximate to 50 K reflecting the effect of de Haas-van Alphen oscillations at fairly high temperatures. The field-and temperature-dependencies of the magnetization indicate the presence of diluted magnetic impurities with a concentration of the order of 0.01 at.%. Accordingly, the minimum and lower temperature rise observed in the electrical resistivity at and below T = 15 K is attributed to the Kondo-impurity effect. (C) 2013 Elsevier B. V. All rights reserved.

DOI10.1016/j.jallcom.2013.10.161
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Complex States