Band structure of ZnO from resonant x-ray emission spectroscopy

A. R. H. Preston, B. J. Ruck, L. F. J. Piper, A. DeMasi, K. E. Smith, A. Schleife, F. Fuchs, F. Bechstedt, J. Chai, and S. M. Durbin
Phys. Rev. B 78, 155114 – Published 14 October 2008

Abstract

Soft x-ray emission and absorption spectroscopy of the OK-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 Zn3dO2p 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.

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  • Received 5 September 2008

DOI:https://doi.org/10.1103/PhysRevB.78.155114

©2008 American Physical Society

Authors & Affiliations

A. R. H. Preston1,2,*, B. J. Ruck1,2, L. F. J. Piper3, A. DeMasi3, K. E. Smith3, A. Schleife4, F. Fuchs4, F. Bechstedt4, J. Chai1,5, and S. M. Durbin1,5

  • 1The MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand
  • 2School of Chemical and Physical Sciences, Victoria University of Wellington, P.O. Box 600, Wellington 6140, New Zealand
  • 3Department of Physics, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, USA
  • 4Institut für Festkörpertheorie und -optik, Friedrich-Schiller-Universität, Max-Wien-Platz 1, 07743 Jena, Germany
  • 5Department of Electrical and Computer Engineering, University of Canterbury, Christchurch 8140, New Zealand

  • *andrew.preston@gmail.com

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Issue

Vol. 78, Iss. 15 — 15 October 2008

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