Electronic structure of Cr1-dS (d=0,0.17) with NiAs-type crystal structure

Details Electronic structure of Cr1-dS (d=0,0.17) with NiAs-type crystal structure Electronic structure of Cr1-dS (d=0,0.17) with NiAs-type crystal structure

2002-11-15

arxiv.org/abs/cond-mat/0211311v1

Physics

Condensed Matter

Materials Science

4 pages, 4 figures

Scientific paper

10.1016/S0038-1098(02)00806-2

Valence-band and conduction-band electronic structure of CrS (d=0) and Cr5S6 (d=0.17) has been investigated by means of photoemission and inverse-photoemission spectroscopies. Bandwidth of the valence bands of Cr5S6 (8.5 eV) is wider than that of CrS (8.1 eV), though the Cr 3d partial density of states evaluated from the Cr 3p-3d resonant photoemission spectroscopy is almost unchanged between the two compounds with respect to the shapes including binding energies. The Cr 3d (t2g) exchange splitting energies of CrS and Cr5S6 are determined to be 3.9 and 3.3 eV, respectively.

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