Phys. Rev. B 78, 155114 (2008) [4 pages]Band structure of ZnO from resonant x-ray emission spectroscopyReceived 5 September 2008; published 14 October 2008 Soft x-ray emission and absorption spectroscopy of the O K-edge are employed to investigate the electronic structure of wurtzite ZnO(0001). A quasiparticle band structure calculated within the GW approximation agrees well with the data, most notably with the energetic location of the Zn 3d–O 2p hybridized state and the anisotropy of the absorption spectra. Dispersion in the band structure is mapped using the coherent k-selective part of the resonant x-ray emission spectra. We show that a more extensive mapping of the bands is possible in the case of crystalline anisotropy such as that found in ZnO. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.78.155114
DOI:
10.1103/PhysRevB.78.155114
PACS:
71.20.Nr, 71.15.Mb, 78.70.Dm, 78.70.En
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