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Structural phase transition in vanadium at high pressure and high temperature: Influence of nonhydrostatic conditions
Stockholm University, Faculty of Science, Department of Physics. Lawrence Livermore National Laboratory, USA.
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2011 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 83, no 5, 054101Article in journal (Refereed) Published
Abstract [en]

Vanadium has been reported to undergo phase transition upon compression from body-centered cubic (bcc) to rhombohedral structure around 62 GPa. In this paper we confirm the bcc to rhombohedral phase transition at 61.5 GPa under quasihydrostatic compression in the Ne pressure medium. Under the nonhydrostatic condition we find the phase transition occurring at 30 GPa at ambient temperature and 37 GPa at 425 K. We find the transition under the hydrostatic condition is hindered and it can occur at much lower pressure under the nonhydrostatic condition.

Place, publisher, year, edition, pages
2011. Vol. 83, no 5, 054101
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Physical Sciences
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URN: urn:nbn:se:su:diva-67503DOI: 10.1103/PhysRevB.83.054101ISI: 000287030300002OAI: diva2:470460

authorCount :6

Available from: 2011-12-29 Created: 2011-12-28 Last updated: 2015-03-09Bibliographically approved

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Jenei, István Zoltán
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