Excitons in InP quantum wires with dielectric barriers

Zhukov, E., Masumoto, Y., Dneprovskii, V., Muljarov, Egor A. ORCID: https://orcid.org/0000-0002-2878-4148, Chernoutsan, K. and Romanov, S. 2001. Excitons in InP quantum wires with dielectric barriers. Presented at: 25th International Conference on the Physics of Semiconductors (ICPS25), Osaka, Japan, 17-22 Sep 2000. Published in: Miura, Noboru and Ando, T. eds. Proceedings of the 25th International Conference on the Physics of Semiconductors. Part I and Part II: Osaka, Japan, September 17-22, 2000. Springer Proceedings in Physics (87) Berlin: Springer Verlag, pp. 1275-1276.

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Abstract

Spectra of linear absorption and photoluminescence (PL) at different polarization of the laser excitation; photoluminescence excitation (PLE) spectra and time - resolved PL of the InP quantum wires (QWRs) crystallized in transparent nanotubes of chrysotile asbestos have been measured. We evaluate the exciton ground state binding energy as large as 200 meV. In the presence of the strong resonant laser pumping of InP QWRs (the energy of laser photon coincides with the absorption band of QWRs) the induced suppression and enhancement of PL in different parts of the spectra and the blue shift (about 13meV) of the PL maximum relatively to the energy of laser photon have been observed. The PL features of InP QWRs has been explained by saturation of the capture centers and Auger process.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	Springer Verlag
ISBN:	9783540417781
ISSN:	0930-8989
Last Modified:	28 Oct 2022 08:47
URI:	https://orca.cardiff.ac.uk/id/eprint/72126

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