Archive: 2009 - Moldavian Journal of the Physical Sciences

05 Sep 2009

2009
V. 8
3-4
(p.271 - 276)

Optical properties of rhenium diselenide single crystals doped with transition metals

Authors:

Dumcenco, Dumitru; Huang, Ying-Sheng; Ho, Ching-Hwa

Summary:

In this paper, we focus on optical properties of rhenium diselenide (ReSe2) single crys- tals doped with Au, W, and Nb. The doping effect of the material was characterized by polarization-dependent piezoreflectance (PzR) and photoreflectance (PR) measurements in the temperature range of 15–300 K. The low temperature PzR and PR spectra reveal the observation of ex E1 feature at E||b polarization as well as two features ex E2 and exE3 at E⊥b polarization. In comparison with the undoped ReSe2, the excitonic transition energies remain practically unchanged, while the broadening parameter of the excitonic transition features slightly increases due to impurity scattering. The angular dependence of the excitonic features amplitudes agree well with the Malus law.

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BibTeX

@article{ibn_4145,
author = {Dumcenco, D. and Huang, Y. and Ho, C.},
title = {Optical properties of rhenium diselenide single crystals doped with transition metals},
journal = {Moldavian Journal of the Physical Sciences},
year = {2009},
volume = {8 (3-4)},
pages = {271-276},
month = {Sep},
abstract = {(EN) In this paper, we focus on optical properties of rhenium diselenide (ReSe2) single crys-

tals doped with Au, W, and Nb. The doping effect of the material was characterized by polarization-dependent piezoreflectance (PzR) and photoreflectance (PR) measurements in the 
temperature range of 15–300 K. The low temperature PzR and PR spectra reveal the observation of 
ex
E1  feature at E||b polarization as well as two features 
ex
E2  and  exE3  at E⊥b polarization. In comparison with the undoped ReSe2, the excitonic transition energies remain 
practically unchanged, while the broadening parameter of the excitonic transition features 
slightly increases due to impurity scattering. The angular dependence of the excitonic features 
amplitudes agree well with the Malus law. 
 },
url = {https://ibn.idsi.md/vizualizare_articol/4145},
}

DataCite

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<affiliation>National Taiwan University of Science and Technology, Taipei, China Taiwan Quemoy Insulele Matsu</affiliation>
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<affiliation>National Taiwan University of Science and Technology, Taipei, China Taiwan Quemoy Insulele Matsu</affiliation>
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temperature range of 15–300 K. The low temperature PzR and PR spectra reveal the observation of 
ex
E1  feature at E||b polarization as well as two features 
ex
E2  and  exE3  at E⊥b polarization. In comparison with the undoped ReSe2, the excitonic transition energies remain 
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Dublin Core

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<dc:creator>Dumcenco, D.</dc:creator>
<dc:creator>Huang, Y.</dc:creator>
<dc:creator>Ho, C.</dc:creator>
<dc:date>2009-09-05</dc:date>
<dc:description xml:lang='en'>In this paper, we focus on optical properties of rhenium diselenide (ReSe2) single crys-

tals doped with Au, W, and Nb. The doping effect of the material was characterized by polarization-dependent piezoreflectance (PzR) and photoreflectance (PR) measurements in the 
temperature range of 15–300 K. The low temperature PzR and PR spectra reveal the observation of 
ex
E1  feature at E||b polarization as well as two features 
ex
E2  and  exE3  at E⊥b polarization. In comparison with the undoped ReSe2, the excitonic transition energies remain 
practically unchanged, while the broadening parameter of the excitonic transition features 
slightly increases due to impurity scattering. The angular dependence of the excitonic features 
amplitudes agree well with the Malus law. 
 </dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 8 (3-4) 271-276</dc:source>
<dc:title>Optical properties of rhenium diselenide single crystals doped with transition metals</dc:title>
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“ ... ”

SM ISO690:2012

DUMCENCO, Dumitru; HUANG, Ying-Sheng; HO, Ching-Hwa. Optical properties of rhenium diselenide single crystals doped with transition metals. In: Moldavian Journal of the Physical Sciences. 2009, nr. 3-4(8), pp. 271-276. ISSN 1810-648X.