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Temperature-Dependent Structural Behavior of Bi0.5Nd1.5Ru2O7

✍ Scribed by M.D. Field; B.J. Kennedy; B.A. Hunter; T. Vogt

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 88 KB
Volume: 144
Category: Article
ISSN: 0022-4596
DOI: 10.1006/jssc.1999.8171

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✦ Synopsis

The structure of the Bi-doped pyrochlore, Bi 0.5 Nd 1.5 Ru 2 O 7 has been studied between 20 and 300 K using powder synchrotron di4raction methods. The structure shows an abupt change in the Bi(Nd)+O and and Ru+O contacts near 200 K as a consequence of a metal+semiconductor transition. There is a marked hysteresis in the structural parameters upon rewarming the sample.

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