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Experimental confirmation of the predicted shallow donor hydrogen state in zinc oxide

Cox, S F ; Davis, E A ; Cottrell, S P ; King, P J ; Lord, J S ; Gil, J M ; Alberto, H V ; Vilão, R C ; Piroto Duarte, J ; Ayres de Campos, N ; Weidinger, A ; Lichti, R L ; Irvine, S J

Physical review letters, 2001-03, Vol.86 (12), p.2601-2604 [Periódico revisado por pares]

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Título:
Experimental confirmation of the predicted shallow donor hydrogen state in zinc oxide
Autor: Cox, S F ; Davis, E A ; Cottrell, S P ; King, P J ; Lord, J S ; Gil, J M ; Alberto, H V ; Vilão, R C ; Piroto Duarte, J ; Ayres de Campos, N ; Weidinger, A ; Lichti, R L ; Irvine, S J
É parte de: Physical review letters, 2001-03, Vol.86 (12), p.2601-2604
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: We confirm the recent prediction that interstitial protium may act as a shallow donor in zinc oxide, by direct spectroscopic observation of its muonium counterpart. On implantation into ZnO, positive muons--chemically analogous to protons in this context--form paramagnetic centers below about 40 K. The muon-electron contact hyperfine interaction, as well as the temperature and activation energy for ionization, imply a shallow level. Similar results for the cadmium chalcogenides suggest that such shallow donor states are generic to the II-VI compounds. The donor level depths should serve as a guide for the electrical activity of interstitial hydrogen.
Editor: United States
Idioma: Inglês

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