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High-pressure structural transitions in Cm and Am0.5Cm0.5 binary alloy
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics. (CMT)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics.
2006 (English)In: High Pressure Research, ISSN 0895-7959, E-ISSN 1477-2299, Vol. 26, no 4, 377-381 p.Article in journal (Refereed) Published
Abstract [en]

The high-pressure behaviour of Cm and Am0.5Cm0.5 binary alloy is investigated theoretically using ab initio electronic structure methods. Our calculations reproduce the structural phase transitions, which are observed in recent experiment performed by Heathman et al. [S. Heathman, R.G. Haire, T. Le Bihan et al., Science 309 110 (2005)] and Lindbaum et al. [A. Lindbaum, S. Heathman, T. Le Bihan et al., J. Phys: Condens. Matter 15 S2297 (2003)]. Calculated transition pressures are in reasonable agreement with the experimental values. Calculations performed for an antiferromagnetic state are essential to reproduce the stability of Cm-III phase.

Place, publisher, year, edition, pages
2006. Vol. 26, no 4, 377-381 p.
Keyword [en]
Actinides, Electronic structure, High pressure, Total energy
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-26129DOI: 10.1080/08957950601105200ISI: 000243942800014OAI: oai:DiVA.org:uu-26129DiVA: diva2:53903
Available from: 2007-02-14 Created: 2007-02-14 Last updated: 2017-12-07Bibliographically approved

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Ahuja, RajeevLuo, WeiJohansson, Börje

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