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P-type conductivity in N-doped ZnO: The role of the N Zn-V O complex
Liu L.3; Xu J.3; Wang D.3; Jiang M.3; Wang S.3; Li B.3; Zhang Z.3; Zhao D.3; Shan C.-X.3; Yao B.2; Shen D.Z.3
2012-05-23
Source PublicationPhysical Review Letters
ISSN00319007 10797114
Volume108Issue:21
AbstractAlthough nitrogen-doped zinc oxide has been fabricated as a light-emitting diode, the origin of its p-type conductivity remains mysterious. Here, by analyzing the surface reaction pathway of N in ZnO with first-principles density functional theory calculations, we demonstrate that the origin of p-type conductivity of N-doped ZnO can originate from the defect complexes of N -V and N -V . Favored by the Zn-polar growth, the shallow acceptor of N -V actually evolves from the double-donor state of N -V . While N -V is metastable, the p-doping mechanism of N -V →N -V in ZnO will be free from the spontaneous compensation from the intrinsic donors. The results may offer clearer strategies for doping ZnO p-type more efficiently with N. © 2012 American Physical Society.
DOI10.1103/PhysRevLett.108.215501
URLView the original
Language英語
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被引频次[WOS]:110   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
Affiliation1.University of Chinese Academy of Sciences
2.Jilin University
3.Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences
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Liu L.,Xu J.,Wang D.,et al. P-type conductivity in N-doped ZnO: The role of the N Zn-V O complex[J]. Physical Review Letters,2012,108(21).
APA Liu L..,Xu J..,Wang D..,Jiang M..,Wang S..,...&Shen D.Z..(2012).P-type conductivity in N-doped ZnO: The role of the N Zn-V O complex.Physical Review Letters,108(21).
MLA Liu L.,et al."P-type conductivity in N-doped ZnO: The role of the N Zn-V O complex".Physical Review Letters 108.21(2012).
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