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A study of electron momentum density and charge transfer in W-Cu system
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2009 (English)In: Journal of Alloys and Compounds, ISSN 0925-8388, Vol. 467, no 1-2, 595-599 p.Article in journal (Refereed) Published
Abstract [en]

We present the first ever Compton scattering study on WxCu1-x(x=0.60, 0.72) alloys. The Compton profile measurements have been made using 20Ci (CS)-C-137 gamma-ray source. The experimental data are compared with the superposition of APW-based Compton profiles of constituent metals. A schematic study on charge transfer has been reported using the experimental valence band Compton profiles of both the alloys, W and Cu. Our first ever data support the charge transfer from W to Cu on alloying, which is also confirmed by our band structure calculations employing exact muffin-tin orbitals method (EMTO). (C) 2007 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2009. Vol. 467, no 1-2, 595-599 p.
Keyword [en]
X-ray scattering, Compton profile, Electronic structure of alloys
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-129249DOI: 10.1016/j.jallcom.2007.12.067ISI: 000262412000108OAI: oai:DiVA.org:uu-129249DiVA: diva2:338117
Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2012-04-02Bibliographically approved

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Kádas, KrisztinaAhuja, Rajeev
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Department of Physics and Materials Science
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