Journal of Physics Condensed Matter, volume 10, issue 9, pages 2007-2019

Properties of the intermediately bound and -excitons in ZnO:Cu

Publication typeJournal Article
Publication date1998-03-09
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor2.7
ISSN09538984, 1361648X
Condensed Matter Physics
General Materials Science
Abstract
A microscopical model is proposed, describing the origin and properties of three closely spaced zero-phonon lines observed in the green Cu band in ZnO:Cu crystals labelled and . These excitations are known to be formed by a charge-transfer reaction with hole bound states. These lines are shown to originate from an intermediately bound exciton of acceptor type, . This sort of exciton, in which both carriers are captured at intermediate-radius orbitals, results from the wurzite-type symmetry of the ZnO:Cu system. The electronic structure obtained for these three intermediately bound excitons enables us to explain their magneto-optic behaviour and to calculate their g-values. Additionally, we determined the quantum efficiency of both intracentre and exciton transitions by using time-resolved and calorimetric absorption spectroscopy. While no luminescence is observed in ZnS, the exciton states in ZnO are purely radiative only to the ground state, . The picture of an intermediately bound exciton explains the recombination channels and also makes clear the difference between copper states in the ZnS and ZnO systems.

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DAHAN P. et al. Properties of the intermediately bound and -excitons in ZnO:Cu // Journal of Physics Condensed Matter. 1998. Vol. 10. No. 9. pp. 2007-2019.
GOST all authors (up to 50) Copy
DAHAN P., Fleurov V., Thurian P., Heitz R., Hoffmann A., Hoffmann A., Broser I. Properties of the intermediately bound and -excitons in ZnO:Cu // Journal of Physics Condensed Matter. 1998. Vol. 10. No. 9. pp. 2007-2019.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1088/0953-8984/10/9/007
UR - https://doi.org/10.1088/0953-8984/10/9/007
TI - Properties of the intermediately bound and -excitons in ZnO:Cu
T2 - Journal of Physics Condensed Matter
AU - DAHAN, P.
AU - Thurian, P.
AU - Heitz, R
AU - Hoffmann, A
AU - Broser, I.
AU - Fleurov, V.
AU - Hoffmann, Axel
PY - 1998
DA - 1998/03/09 00:00:00
PB - IOP Publishing
SP - 2007-2019
IS - 9
VL - 10
SN - 0953-8984
SN - 1361-648X
ER -
BibTex |
Cite this
BibTex Copy
@article{1998_DAHAN,
author = {P. DAHAN and P. Thurian and R Heitz and A Hoffmann and I. Broser and V. Fleurov and Axel Hoffmann},
title = {Properties of the intermediately bound and -excitons in ZnO:Cu},
journal = {Journal of Physics Condensed Matter},
year = {1998},
volume = {10},
publisher = {IOP Publishing},
month = {mar},
url = {https://doi.org/10.1088/0953-8984/10/9/007},
number = {9},
pages = {2007--2019},
doi = {10.1088/0953-8984/10/9/007}
}
MLA
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MLA Copy
DAHAN, P., et al. “Properties of the intermediately bound and -excitons in ZnO:Cu.” Journal of Physics Condensed Matter, vol. 10, no. 9, Mar. 1998, pp. 2007-2019. https://doi.org/10.1088/0953-8984/10/9/007.
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