Soft-x-ray fluorescence spectra of III-V phosphides BP, GaP, and InP

Lin Lin, G. T. Woods, T. A. Callcott

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The valence band electronic structures of the III-V phosphides BP, GaP, and InP were investigated using soft x-ray fluorescence spectroscopy and compared with band structure calculations using full-potential linearized augmented plane wave method based on density functional theory. The P L2,3 spectra of these phosphorus compounds are reported and compared with the calculated (s + d)-local partial densities of states (LPDOS's). For BP, the B K spectrum is also reported. Generally good agreement is obtained between the spectra and calculated LPDOS's. Two other interesting results were found. The normally suppressed P L1 spectrum was observed in resonance with the B K spectrum of BP. Also, strong resonant inelastic x-ray scattering was observed at the Ga M2,3 edge associated with energy loss to local electronic excitations from the Ga d states, permitting the Ga d states to be accurately located with respect to other band features.

Original languageEnglish
Article number235107
Pages (from-to)2351071-2351079
Number of pages9
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume63
Issue number23
Publication statusPublished - 2001 Aug 15

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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