Sulfur K-edge x-ray-absorption study of the charge transfer upon lithium intercalation into titanium disulfide

被引:93
作者
Wu, ZY
Ouvrard, G
Lemaux, S
Moreau, P
Gressier, P
Lemoigno, F
Rouxel, J
机构
[1] Institut des Matériaux de Nantes, Centre National de la Recherche Scientifique UMR 110, Laboratoire de Chimie des Solides, Nantes, 44072
关键词
D O I
10.1103/PhysRevLett.77.2101
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Sulfur K-edge x-ray-absorption spectra have been recorded for lithium intercalated titanium disulfides LixTiS2. The near-edge features up to 30 eV above threshold are interpreted in the framework of full multiple-scattering theory. We show that the electrons transferred from intercalated lithium atoms are not only located on Ti 3d orbitals, as previously assumed, but also on the S 3p states. For comparison, we present the S p-projected density of states derived from linear muffin-tin-orbital band structure calculations. An overall agreement between measurement and theory is very well achieved.
引用
收藏
页码:2101 / 2104
页数:4
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