Site-selected O 2p densities of states in NaV2O5 determined from angular-dependent x-ray absorption and emission spectra

G. T. Woods, G. P. Zhang, T. A. Callcott, L. Lin, G. S. Chang, B. Sales, D. Mandrus, J. He

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Abstract

We present angular-dependent soft x-ray absorption and emission spectra for the highly anisotropic material NaV2O5, which contains three inequivalent oxygen sites located around the V atoms. The polarization direction of the incident photon beam was varied with respect to the crystal axes to obtain strong angular dependence in both the absorption and emission data. Using both energy and angular selection, we obtain local partial densities of states information for each oxygen site, which are compared directly with theoretical results. This technique should be very useful in studies of asymmetric materials such as high-T c superconducting materials with in-plane and out-of-plane oxygen sites.

Original languageEnglish
Article number165108
Pages (from-to)1651081-1651086
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number16
Publication statusPublished - 2002 Apr 15

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Woods, G. T., Zhang, G. P., Callcott, T. A., Lin, L., Chang, G. S., Sales, B., Mandrus, D., & He, J. (2002). Site-selected O 2p densities of states in NaV2O5 determined from angular-dependent x-ray absorption and emission spectra. Physical Review B - Condensed Matter and Materials Physics, 65(16), 1651081-1651086. [165108].