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Free-running Sn precipitates: an efficient phase separation mechanism for metastable Ge(1−x)Sn(x) epilayers
The revival of interest in Ge(1−x)Sn(x) alloys with x ≥ 10% is mainly owed to the recent demonstration of optical gain in this group-IV heterosystem. Yet, Ge and Sn are immiscible over about 98% of the composition range, which renders epilayers based on this material system inherently metastable. He...
| Autores principales: | , , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5700949/ https://www.ncbi.nlm.nih.gov/pubmed/29170483 http://dx.doi.org/10.1038/s41598-017-16356-8 |