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|Type:||Artigo de periódico|
|Title:||Calculation Of Raman Scattering By Acoustic Phonons In Superlattices|
|Abstract:||We report on the calculation of low-frequency Raman scattering by longitudinal acoustic phonons in superlattices. The phonons are treated as elastic waves propagating in a continuum and their mode patterns are calculated by a transfer-matrix method. The electromagnetic propagation is calculated neglecting reflections and refractions at the interfaces, through the use of the same index of refraction for both constituent materials. The use of a complex refraction index allows for absorption effects to be included. The suitability of the numerical calculation for modeling superlattices is demonstrated. © 1994 The American Physical Society.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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