期刊
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
卷 72, 期 5, 页码 562-564出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2010.10.063
关键词
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We use angle-resolved photoemission spectroscopy to study bandwidth renormalization in layered superconductor 2H-NbSe(2). Renormalization of the conduction band in comparison with the very similar 2H-TaSe(2) is of the factor of two. We discuss the possibility that the Van Hove singularity could be responsible for this effect not only in dichalcogenides but also in pnictides. (C) 2010 Elsevier Ltd. All rights reserved.
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