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  Photoluminescence studies of isotopically enriched silicon: isotopic effects on the indirect electronic band gap and phonon energies

Karaiskaj, D., Thewalt, M. L. W., Ruf, T., Cardona, M., & Konuma, M. (2002). Photoluminescence studies of isotopically enriched silicon: isotopic effects on the indirect electronic band gap and phonon energies. Solid State Communications, 123(3-4), 87-92.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-E39B-3 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-E39C-2
Genre: Journal Article

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 Creators:
Karaiskaj, D., Author
Thewalt, M. L. W., Author
Ruf, T.1, Author           
Cardona, M.1, Author           
Konuma, M.2, 3, Author           
Affiliations:
1Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370502              
2Scientific Facility Interface Analysis (Ulrich Starke), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370498              
3Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370481              

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Free keywords: isotopic silicon; excitons bound to impurities; phonons; luminescence
 Abstract: We have performed high-resolution photoluminescence
spectroscopy on silicon crystals with different isotopic
composition and investigated the effects of this composition on
the indirect electronic band gap and phonon energies. From the
relative energy shift of the indirect electronic band gap
between two crystals of different isotopic composition, the
zero-point renormalization energy of that electronic band gap
was estimated. The experimentally determined phonon frequency
shifts between crystals of different isotopic composition are
compared with theoretically predicted frequency shifts. We
further present a detailed analysis of the different
contributions leading to the observed phonon frequency shifts.
(C) 2002 Elsevier Science Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 7195
ISI: 000177577800001
 Degree: -

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Title: Solid State Communications
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 123 (3-4) Sequence Number: - Start / End Page: 87 - 92 Identifier: ISSN: 0038-1098