Electronic structure of VO2 studied by x-ray photoelectron and x-ray emission spectroscopies

Details Electronic structure of VO2 studied by x-ray photoelectron and x-ray emission spectroscopies Electronic structure of VO2 studied by x-ray photoelectron and x-ray emission spectroscopies

1998-03-23

arxiv.org/abs/cond-mat/9803278v1

J. Phys.: Cond. Matter 10 (1998) 4081

Physics

Condensed Matter

Materials Science

12 pages, 5 figures, uses ioplppt.sty. To be published in J.Phys.:CM

Scientific paper

10.1088/0953-8984/10/18/017

A VO2 single-crystal has been subject of a combined investigation by high resolution XPS, x-ray emission spectroscopy with electron and energy-selective x-ray excitation (V L-alpha, V K-beta-5- and O K-alpha emission) and x-ray absorption spectroscopy (O1s). We performed first principles tight-binding LMTO band structure calculations of VO2 in both monoclinic and tetragonal rutile structures and compare the densities of states with the experimental data. From this we conclude that the electronic structure of VO2 is more bandlike than correlated.

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