Fromherz, T. ; Oh, Eunsoon ; Ramdas, A. K. ; Koppensteiner, E. ; Bauer, G. ; Faschinger, W. ; Sitter, H. (1994) Confined and propagating phonons in atomic layer epitaxy grown (CdTe)n(ZnTe)n superlattices Journal of Crystal Growth, 138 (1-4). pp. 580-584. ISSN 0022-0248
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002202...
Related URL: http://dx.doi.org/10.1016/0022-0248(94)90872-9
Abstract
We report the occurrence of confined longitudinal and transverse optical phonons in (CdTe)n(ZnTe)n (2≤ n ≤ 5) ultra-short-period superlattices as observed in their Raman and far-infrared reflectivity spectra. The dispersion curves of the optical phonons in CdTe and in ZnTe along [001], determined from the frequencies of the confined phonons, are in excellent agreement with neutron scattering data on the bulk compounds. For the n = 5 superlattice sample, folded acoustic phonons have been observed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 40456 |
| Deposited On: | 24 May 2011 14:29 |
| Last Modified: | 24 May 2011 14:29 |
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