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Ge(1−x)Sn(x) alloys: Consequences of band mixing effects for the evolution of the band gap Γ-character with Sn concentration
In this work we study the nature of the band gap in GeSn alloys for use in silicon-based lasers. Special attention is paid to Sn-induced band mixing effects. We demonstrate from both experiment and ab-initio theory that the (direct) Γ-character of the GeSn band gap changes continuously with alloy co...
Autores principales: | Eales, Timothy D., Marko, Igor P., Schulz, Stefan, O’Halloran, Edmond, Ghetmiri, Seyed, Du, Wei, Zhou, Yiyin, Yu, Shui-Qing, Margetis, Joe, Tolle, John, O’Reilly, Eoin P., Sweeney, Stephen J. |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6773784/ https://www.ncbi.nlm.nih.gov/pubmed/31575881 http://dx.doi.org/10.1038/s41598-019-50349-z |
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