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Title: Powder Pattern Hyperfine Spectroscopy of Shallow- Donor Muonium Centres
Authors: Alberto, H. 
Vilão, R. 
Duarte, J. Piroto 
Gil, J. 
Campos, N. Ayres de 
Lichti, R. 
Davis, E. 
Cottrell, S. 
Cox, S. 
Issue Date: 2001
Citation: Hyperfine Interactions. 136-137:3 (2001) 471-477
Abstract: Abstract The hyperfine spectroscopy of muonium in II–VI semiconductors is reviewed, suggesting that whereas hydrogen is a deep-level defect in ZnS, ZnSe and ZnTe, it constitutes a shallow donor in ZnO, CdS, CdSe and CdTe. Shallow and deep states coexist in CdTe. Using new data for ZnO, it is shown that the principal values of the muonium hyperfine tensor may be obtained with equal facility from measurements in longitudinal or in transverse magnetic field, and from samples that are polycrystalline powders or single crystals. Spin density on the central muon in the shallow states correlates with the electron binding energy or donor depth.
DOI: 10.1023/A:1020502219653
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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