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Temperature-dependent photoluminescence of ZnO films codoped with tellurium and nitrogen

Tang, Kun; Gu, Shulin; Ye, Jiandong; Huang, Shimin; Gu, Ran; Zhang, Rong; Zheng, Youdou


The photoluminescence spectra as well as their temperature dependence of the tellurium and nitrogen (Te-N) codoped ZnO films have been investigated in detail. Explicit evidences of the emissions related to two acceptors [A 1: the NO-Zn-Te subunits and A2: the conventional N ions substituting on oxygen sites (NO)] have been found. The acceptor activation energy level of the A1 (∼118-124 meV) is much shallower than that of the A2 (∼224-225 meV) indicating that the A1 should be mainly responsible...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.4767451


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