Raman study of self-assembled SiGe nanoislands grown at low temperatures
Authors: Valakh, M Ya; Yukhymchuk, V.O.; Dzhagan, V.M.; Lytvyn, O.S.; Milekhin, A.G.; Nikiforov, A.I.; Pchelyakov, O.P.; Alsina, F.; Pascual, J.
Source: Nanotechnology, Volume 16, Number 9, September 2005 , pp. 1464-1468(5)
Publisher: IOP Publishing
- In this: publication
- By this: publisher
- In this Subject: Biology , Electrical & Nuclear Engineering , General & Civil Engineering
- By this author: Valakh, M Ya ; Yukhymchuk, V.O. ; Dzhagan, V.M. ; Lytvyn, O.S. ; Milekhin, A.G. ; Nikiforov, A.I. ; Pchelyakov, O.P. ; Alsina, F. ; Pascual, J.
Content Key:
- Free
- New
- Open Access
- Subscribed
- Free Trial
Abstract:
We report on Raman scattering measurements on Si-capped Ge quantum structures grown by molecular beam epitaxy on Si(001) at low temperatures. We find a double band structure in the GeGe frequency range for nanoislands grown at substrate temperatures ranging in the interval 300500 °C. Complementary information has been obtained from performing Raman scattering experiments on annealed samples. The results are interpreted in terms of a model that considers quantum structures (hut clusters) composed of a strained Ge core and a more relaxed SiGe shell.Document Type: Research article
DOI: 10.1088/0957-4484/16/9/007
Content Key:
- Free
- New
- Open Access
- Subscribed
- Free Trial

Click here for Page Help