Theoretical electron energy-loss spectroscopy and its application in materials research

J Zhu, S P Gao, A H Zhang, J Yuan

Research output: Contribution to journalArticlepeer-review

Abstract

Electron energy-loss near-edge fine structure (ELNES) of group-III nitrides is calculated using a pseudopotential plan wave method within the framework of density functional theory. Core-hole effect and supercell size influence are investigated. Based on our present and earlier work, a comprehensive understanding of theoretical ELNES application in materials research is demonstrated: interpreting experimental spectra, predicating theoretical reference spectra when reliable experimental spectra are not available, identifying ELNES-structure correlation and estimating the reliability of experimental spectra.

Original languageEnglish
Pages (from-to)293-298
Number of pages6
JournalJournal of electron microscopy
Volume54
Issue number3
DOIs
Publication statusPublished - 2005

Keywords

  • EELS
  • ab initio calculation
  • core-hole effect
  • nitride
  • NEAR-EDGE STRUCTURE
  • X-RAY-ABSORPTION
  • AB-INITIO CALCULATION
  • GROUP-III NITRIDES
  • MOLECULAR-DYNAMICS
  • SPECTRA
  • CARBON
  • IDENTIFICATION
  • STATES

Cite this