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PAC studies on impurities in ZnO

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms
0168-583X
Publisher
Elsevier
Publication Date
Volume
63
Identifiers
DOI: 10.1016/0168-583x(92)95200-b

Abstract

Abstract Acceptor-donor pairs in ZnO are studied by the perturbed angular correlation spectroscopy (PAC) using radioactive 111In/ 111Cd probe atoms. In undoped ZnO the trapping of O-vacancies as well as the trapping of Zn-interstitials at the probe atoms which are located at substitutional Zn sites is observed after different sample treatments. In Cu-, Li-, and Na-doped ZnO the acceptor impurities form complexes with the In donors. The structure of these complexes is given and compared with theoretical calculations.

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