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- Title
- Topological Quantum Phase Transition in 5d Transition Metal Oxide Na2IrO3
- Publication Year
- 2012-03-09
- Abstract
-
Wepredictaquantumphasetransitionfromnormaltotopologicalinsulatorsinthe5dtransitionmetaloxideNa2IrO3,wherethetransitioncanbedrivenbythechangeofthelong-rangehoppingandtrigonalcrystalfieldterms.Fromthefirst-principles-derivedtight-bindingHamiltonian,wedeterminethephaseboundarythroughtheparityanalysis.Inaddition,ourfirst-principlescalculationsforNa2IrO3modelstructuresshowthattheinterlayerdistancecanbeanimportantparameterfortheexistenceofathreedimensional
strongtopologicalinsulatorphase.Na2IrO3issuggestedtobeacandidatematerialwhichcanhavebothanontrivialtopologyofbandsandstrongelectroncorrelations.
- Keyword
- Topogicalinsulator; qunatumphasetransition; iridiumoxide
- Journal Title
- Physicalreviewletters
- Citation Volume
- 108
- ISSN
- 0031-9007
- Files in This Item:
- There are no files associated with this item.
- Appears in Collections:
- 7. KISTI 연구성과 > 학술지 발표논문
