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ChemInform Abstract: Crystal Growth and Characterizations of ErRh3B2.

✍ Scribed by T. SHISHIDO; J. YE; M. OKU; S. OKADA; K. KUDOU; T. SASAKI; T. MATSUMOTO; T. FUKUDA

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Crystal Growth and Characterizations of ErRh 3 B 2 .

-The successful growth of single crystals by the flux method using molten Cu as solvent enables reinvestigation of the structure of ErRh 3 B 2 by single-crystal XRD. The compound (monoclinic, C2/m, Z = 2) is isomorphic with ErIr 3 B 2 . The XPS analysis gives evidence for a weak metal-boron bonding which indicates that B acts as electron donor. TG/DTA performed in the temp. range 20 to 1200 β€’ C in air, shows that the oxidation of ErRh 3 B 2 starts at 373 β€’ C and leads to formation of the mixed phase ErBO 3 + Rh at weight gain of 15.44%. For the (001) and (100) faces of the crystals a Vickers hardness of 11.3-12.0

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