Archive: 2009 - Moldavian Journal of the Physical Sciences

05 Sep 2009

2009
V. 8
3-4
(p.277 - 282)

Optical characterization of quaternary Zn1-x-yBexMgySe mixed crystals

Authors:

Dumcenco, Dumitru; Huang, Ying-Sheng; Tiong, Kwong-Kaw

Summary:

We present an optical characterization of three Bridgman-grown Zn1-x-yBexMgySe mixed crystals in the near-band-edge interband transitions using temperature-dependent photoluminescence (PL), contactless electroreflectance (CER), and photoreflectance (PR) in the temperature range of 15–400 K and surface photovoltage spectroscopy (SPS) at room temperature. PL spectra at low temperature are characterized by the presence of clearly distinguished features, such as an excitonic line, an edge emission due to radiative recombination of shallow donor- acceptor pairs, and a broad band related to recombination through deep level defects. The peak positions of the excitonic emission lines in PL spectra correspond quite well to the energies of the fundamental transitions determined from CER, PR, and SPS measurements.

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<meta name="citation_title" content="Optical characterization of quaternary 
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<meta name="citation_author" content="Dumcenco, Dumitru">
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BibTeX

@article{ibn_4147,
author = {Dumcenco, D. and Huang, Y. and Tiong, K.},
title = {Optical characterization of quaternary 
Zn1-x-yBexMgySe mixed crystals},
journal = {Moldavian Journal of the Physical Sciences},
year = {2009},
volume = {8 (3-4)},
pages = {277-282},
month = {Sep},
abstract = {(EN) We present an optical characterization of three Bridgman-grown Zn1-x-yBexMgySe mixed 
crystals in the near-band-edge interband transitions using temperature-dependent photoluminescence (PL), contactless electroreflectance (CER), and photoreflectance (PR) in the temperature range of 15–400 K and surface photovoltage spectroscopy (SPS) at room temperature. PL 
spectra at low temperature are characterized by the presence of clearly distinguished features, 
such as an excitonic line, an edge emission due to radiative recombination of shallow donor-
acceptor pairs, and a broad band related to recombination through deep level defects. The peak 

positions of the excitonic emission lines in PL spectra correspond quite well to the energies of 
the fundamental transitions determined from CER, PR, and SPS measurements. },
url = {https://ibn.idsi.md/vizualizare_articol/4147},
}

DataCite

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<affiliation>National Taiwan University of Science and Technology, Taipei, China Taiwan Quemoy Insulele Matsu</affiliation>
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spectra at low temperature are characterized by the presence of clearly distinguished features, 
such as an excitonic line, an edge emission due to radiative recombination of shallow donor-
acceptor pairs, and a broad band related to recombination through deep level defects. The peak 

positions of the excitonic emission lines in PL spectra correspond quite well to the energies of 
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Dublin Core

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<dc:creator>Dumcenco, D.</dc:creator>
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<dc:creator>Tiong, K.</dc:creator>
<dc:date>2009-09-05</dc:date>
<dc:description xml:lang='en'>We present an optical characterization of three Bridgman-grown Zn1-x-yBexMgySe mixed 
crystals in the near-band-edge interband transitions using temperature-dependent photoluminescence (PL), contactless electroreflectance (CER), and photoreflectance (PR) in the temperature range of 15–400 K and surface photovoltage spectroscopy (SPS) at room temperature. PL 
spectra at low temperature are characterized by the presence of clearly distinguished features, 
such as an excitonic line, an edge emission due to radiative recombination of shallow donor-
acceptor pairs, and a broad band related to recombination through deep level defects. The peak 

positions of the excitonic emission lines in PL spectra correspond quite well to the energies of 
the fundamental transitions determined from CER, PR, and SPS measurements. </dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 8 (3-4) 277-282</dc:source>
<dc:title>Optical characterization of quaternary 
Zn1-x-yBexMgySe mixed crystals</dc:title>
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“ ... ”

SM ISO690:2012

DUMCENCO, Dumitru; HUANG, Ying-Sheng; TIONG, Kwong-Kaw. Optical characterization of quaternary Zn1-x-yBexMgySe mixed crystals. In: Moldavian Journal of the Physical Sciences. 2009, nr. 3-4(8), pp. 277-282. ISSN 1810-648X.