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Licensed Unlicensed Requires Authentication Published by De Gruyter August 22, 2013

Synthesis of Ir1-xRex (0.15 ≤ x ≤ 0.40) solid solutions under high-pressure and high-temperature

  • Sergey A. Gromilov , Tatiyana V. Dyachkova , Elena A. Bykova , Nadezda V. Tarakina , Yurii G. Zaynulin and Kirill V. Yusenko


Ir1–xRex (0.15 ≤ x ≤ 0.40) phases prepared under high-pressure, high-temperature conditions from nanopowders of iridium and rhenium were characterized using powder X-ray diffraction and scanning electron microscopy. Structural characteristics of the phases obtained were identical with the corresponding parameters for the solid solutions prepared by means of melting and thermal decomposition of the precursors. The data obtained make it possible to improve solid-state solubility limits in the binary Ir–Re phase diagram. As revealed, the maximum solid solubility of Ir in Re is 68 at.%, and that of Re in Ir is 20 at.%.

* Correspondence address, Dr. Kirill Yusenko, solid-chem GmbH, Universitätsstr. 136, D-44799 Bochum, Germany, Tel.: +49 (0)234 32-24167, Fax: +49 (0)234 32-14174, E-mail:


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Received: 2012-4-27
Accepted: 2012-8-24
Published Online: 2013-08-22
Published in Print: 2013-05-10

© 2013, Carl Hanser Verlag, München

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