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| Título: | Folded acoustic phonons in InAs-AlAs strained-layer superlattices |
Autor: | Recio Segoviano, Miguel CSIC; Armelles Reig, Gaspar CSIC ORCID; Ruiz, A.; Mazuelas Esteban, Ángel José CSIC | Fecha de publicación: | 1989 | Editor: | American Institute of Physics | Citación: | Applied Physics Letters 54: 804-806 (1989) | Resumen: | Raman spectroscopy is used to characterize highly mismatched (7%) InAs-AlAs superlattices grown by atomic layer molecular beam epitaxy. In particular, folded acoustic modes are presented and compared with two different theoretical models (Rytov and linear chain). We find good agreement between theory and experiments. We estimate, with a simple model, the magnitude of the effect of the strain on the phonon frequency shifts. | URI: | http://hdl.handle.net/10261/52220 | DOI: | 10.1063/1.100852 | Identificadores: | doi: 10.1063/1.100852 issn: 0003-6951 |
| Aparece en las colecciones: | (IMN-CNM) Artículos |
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| ApplPhysLett_54_804.pdf | 515,7 kB | Adobe PDF |  Visualizar/Abrir |
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