Zero-phonon line broadening and satellite peaks in nanowire quantum dots: The role of piezoelectric coupling
(2009) In Physica Status Solidi. B: Basic Research 246(2). p.337-341- Abstract
- We investigate the influence of the one-dimensional character of the phonon modes in a catalytically grown GaAs nanowire on the absorption spectrum of an embedded quantum dot, focusing on the on the contribution from the piezoelectric coupling. In general, the reduced dimensionally of the phonons leads to spectral side peaks and a zero-phonon line broadening due to the energetically lowest (acoustic) phonon mode. While the deformation potential predominantly couples to radial modes, the piezoelectric interaction can also couple strongly to modes of axial character, leading to additional absorption features. The contribution of the piezoelectric coupling to the zero-phonon line is negligible. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA,... (More)
- We investigate the influence of the one-dimensional character of the phonon modes in a catalytically grown GaAs nanowire on the absorption spectrum of an embedded quantum dot, focusing on the on the contribution from the piezoelectric coupling. In general, the reduced dimensionally of the phonons leads to spectral side peaks and a zero-phonon line broadening due to the energetically lowest (acoustic) phonon mode. While the deformation potential predominantly couples to radial modes, the piezoelectric interaction can also couple strongly to modes of axial character, leading to additional absorption features. The contribution of the piezoelectric coupling to the zero-phonon line is negligible. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1372087
- author
- Weber, Carsten LU ; Lindwall, Greta and Wacker, Andreas LU
- organization
- publishing date
- 2009
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Physica Status Solidi. B: Basic Research
- volume
- 246
- issue
- 2
- pages
- 337 - 341
- publisher
- John Wiley & Sons Inc.
- external identifiers
-
- wos:000263515400016
- scopus:59449108019
- ISSN
- 0370-1972
- DOI
- 10.1002/pssb.200880324
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Mathematical Physics (Faculty of Technology) (011040002), Department of Physics (011013000)
- id
- 50827ad1-a950-448d-a5e9-47281434f632 (old id 1372087)
- date added to LUP
- 2016-04-01 14:02:42
- date last changed
- 2022-03-29 18:55:57
@article{50827ad1-a950-448d-a5e9-47281434f632, abstract = {{We investigate the influence of the one-dimensional character of the phonon modes in a catalytically grown GaAs nanowire on the absorption spectrum of an embedded quantum dot, focusing on the on the contribution from the piezoelectric coupling. In general, the reduced dimensionally of the phonons leads to spectral side peaks and a zero-phonon line broadening due to the energetically lowest (acoustic) phonon mode. While the deformation potential predominantly couples to radial modes, the piezoelectric interaction can also couple strongly to modes of axial character, leading to additional absorption features. The contribution of the piezoelectric coupling to the zero-phonon line is negligible. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim}}, author = {{Weber, Carsten and Lindwall, Greta and Wacker, Andreas}}, issn = {{0370-1972}}, language = {{eng}}, number = {{2}}, pages = {{337--341}}, publisher = {{John Wiley & Sons Inc.}}, series = {{Physica Status Solidi. B: Basic Research}}, title = {{Zero-phonon line broadening and satellite peaks in nanowire quantum dots: The role of piezoelectric coupling}}, url = {{http://dx.doi.org/10.1002/pssb.200880324}}, doi = {{10.1002/pssb.200880324}}, volume = {{246}}, year = {{2009}}, }