Unexpected positive role of oxygen vacancies in Na-doped ZnO

The interaction of Na impurities and O vacancies (VO) in ZnO was studied in theory and experiment. The VO facilitated substitutional Na (NaZn/NaZn−) acceptors with inhibiting interstitial Na (Nai/Nai+) donors, which may benefit the p-type conductivity. The formed (NaZn-VO)+/0 complexes induced the c...

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Veröffentlicht in:	Journal of applied physics 2012-12, Vol.112 (11)
Hauptverfasser:	Yang, X. P., Lu, J. G., Zhang, H. H., Lu, B., Huang, J. Y., Ye, C. L., Ye, Z. Z.
Format:	Artikel
Sprache:	eng
Schlagworte:	Band structure of solids Emission Energy gap Impurities Luminescence Spectral emissivity Vacancies Zinc oxide
Online-Zugang:	Volltext
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