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Shallow-level muonium centre in CdS
Gil, J. M.; Alberto, H. V.; Vilão, R. C.; Duarte, J. Piroto; Mendes, P. J.; Campos, N. Ayres de; Weidinger, A.; Krauser, J.; Niedermayer, Ch.A new type of muonium defect centre has been observed in undoped CdS at low temperatures (T<20Â K). The hyperfine parameters are A[short parallel]=335 (7)Â kHz and A[perpendicular]=199 (6)Â kHz (approximately 10-4 of the vacuum value) with the symmetry axis along the Cd-S bond direction. The disappearance of the centre at around 20Â K is in agreement with the binding energy of a shallow centre. The extremely we...
Data: 2000
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Origem: Estudo Geral - Universidade de Coimbra
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