期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 444, 期 -, 页码 42-49出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2006.10.150
关键词
metals; electron-electron interactions; electronic band structure
The goal to describe plutonium phases from first principles calculation methods is complicated by the problem of 5f-electrons localization. While for early actinides (Th, U, Np) standard density functional theory (DFT) description with itinerant 5f-electrons works well for late actinides (Am, Cm) DFT calculations with completely localized (pseudocore) 5f-electrons give satisfactory results. However, plutonium presents a border case of partial localization and both limits (itinerant and completely localized) are not valid. We present a review of the methods used to solve this problem and discuss what could be the reasons for their successes and failures. (c) 2006 Elsevier B.V. All rights reserved.
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