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Pàgina inicial > Articles > Articles publicats > Resolved quadrupolar transition in TiO2 |
Data: | 1977 |
Resum: | We report an investigation of the direct forbidden absorption edge of TiO2. For the first time we have resolved the weak quadrupolar 1s exciton and measured its binding energy. Taking into account polaron effects, we estimated the bare electron effective mass in the Γ1 minimum of the conduction band and obtained a fairly reasonable value of 3m0. |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Publicat a: | Physical review letters, Vol. 39, Issue 23 (December 1977) , p. 1490-1493, ISSN 1079-7114 |
4 p, 324.2 KB |