Abstract
The near-band-edge emission of cubic zinc sulfide single crystals has been studied in detail by steady-state photoluminescence (PL) and time-resolved photoluminescence. Based on the peak energy positions, excitation power density and temperature dependencies of the PL spectra, we interpret the emission as recombination of the free and bound excitons and of the biexcitons. We observed the biexciton emission at 3.791 eV in cubic ZnS single crystals with very low excitation power density. Its binding energy and radiative lifetime were determined to be about 9 meV and 52 ps at 12 K, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 3974-3976 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 75 |
| Issue number | 25 |
| DOIs | |
| Publication status | Published - 1999 Dec 20 |
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All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)
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Biexciton photoluminescence in cubic ZnS single crystals. / Liem, Nguyen Quang; Quang, Vu Xuan; Thanh, Do Xuan; Lee, Joo In; Viswanath, Annamraju Kasi; Kim, Dongho.
In: Applied Physics Letters, Vol. 75, No. 25, 20.12.1999, p. 3974-3976.Research output: Contribution to journal › Article
TY - JOUR
T1 - Biexciton photoluminescence in cubic ZnS single crystals
AU - Liem, Nguyen Quang
AU - Quang, Vu Xuan
AU - Thanh, Do Xuan
AU - Lee, Joo In
AU - Viswanath, Annamraju Kasi
AU - Kim, Dongho
PY - 1999/12/20
Y1 - 1999/12/20
N2 - The near-band-edge emission of cubic zinc sulfide single crystals has been studied in detail by steady-state photoluminescence (PL) and time-resolved photoluminescence. Based on the peak energy positions, excitation power density and temperature dependencies of the PL spectra, we interpret the emission as recombination of the free and bound excitons and of the biexcitons. We observed the biexciton emission at 3.791 eV in cubic ZnS single crystals with very low excitation power density. Its binding energy and radiative lifetime were determined to be about 9 meV and 52 ps at 12 K, respectively.
AB - The near-band-edge emission of cubic zinc sulfide single crystals has been studied in detail by steady-state photoluminescence (PL) and time-resolved photoluminescence. Based on the peak energy positions, excitation power density and temperature dependencies of the PL spectra, we interpret the emission as recombination of the free and bound excitons and of the biexcitons. We observed the biexciton emission at 3.791 eV in cubic ZnS single crystals with very low excitation power density. Its binding energy and radiative lifetime were determined to be about 9 meV and 52 ps at 12 K, respectively.
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U2 - 10.1063/1.125511
DO - 10.1063/1.125511
M3 - Article
AN - SCOPUS:0042045463
VL - 75
SP - 3974
EP - 3976
JO - Applied Physics Letters
JF - Applied Physics Letters
SN - 0003-6951
IS - 25
ER -