Resolved quadrupolar transition in TiO2
Pascual i Gainza, Jordi (Université des Sciences et Technique du Languedoc. Centre d'Etudes d'Electronique des Solides)
Camassel, J. (Université des Sciences et Technique du Languedoc. Centre d'Etudes d'Electronique des Solides)
Mathieu, H. (Université des Sciences et Technique du Languedoc. Centre d'Etudes d'Electronique des Solides)
American Physical Society

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

DOI: 10.1103/PhysRevLett.39.1490

4 p, 324.2 KB

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