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Diffusion of zinc vacancies and interstitials in zinc oxide
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10.1063/1.2206559
/content/aip/journal/apl/88/20/10.1063/1.2206559
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/20/10.1063/1.2206559

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Diffusion paths accessible to (a) zinc vacancies and (b) zinc interstitials on the wurtzite lattice via jumps to first or second nearest neighbor sites. A—in-plane migration to first nearest neighbors, B and C—out-of-plane migration to first and second nearest neighbors, respectively. Interstitial mechanisms (in contrast to interstitialcy mechanisms) are marked with asterisks.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Dependence of self-diffusion coefficient on Fermi level and chemical potential and (b) temperature dependence of calculated self-diffusion coefficient in comparison with experimental data: Lindner (1952, MTS, Ref. 5 ), Secco and Moore (1955/1957, GE, Refs. 9 and 10 ), Moore and Williams (1959, MTS, Ref. 11 ), Wuensch and Tuller (1994, MTS, Ref. 15 ), Tomlins et al. (2000, SIMS, Ref. 12 ), and Nogueira et al. (2003, MTS, Ref. 13 ). MTS—method of thin sections, GE—gaseous exchange, and SIMS—secondary ion mass spectroscopy.

Tables

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Table I.

Energy barriers for vacancy and interstitial mediated migration of zinc in units of eV.

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2006-05-18
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Diffusion of zinc vacancies and interstitials in zinc oxide
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/20/10.1063/1.2206559
10.1063/1.2206559
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