Transition metal oxides using quantum Monte Carlo

Research output: Contribution to journalArticle

Abstract

The transition metal-oxygen (TM-O) bond appears prominently throughout chemistry and solid-state physics. Many materials, from biomolecules to ferroelectrics to the components of supernova remnants contain this bond in some form. Many of these materials' properties strongly depend on fine details of the TM-O bond and intricate correlation effects, which make accurate calculations of their properties very challenging. We present quantum Monte Carlo, an explicitly correlated class of methods, to improve the accuracy of electronic structure calculations over that of more traditional methods like density functional theory. We find that unlike s-p type bonding, the amount of hybridization of the d-p bond in TM-O materials is strongly dependent on electronic correlation.

Original languageEnglish (US)
Article number343201
JournalJournal of Physics Condensed Matter
Volume19
Issue number34
DOIs
StatePublished - Aug 29 2007

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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