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Emergence of exciton near-surface localized states in the reflectance spectra of low-Se CdS1-xSex crystals. / Grigor'eva, N. R.; Kazennov, B. A.; Novikov, B. V.; Anbushinova, O. K.; Sel'kin, A. V.; Bisengaliev, R. A.

In: Physics of the Solid State, Vol. 41, No. 9, 01.01.1999, p. 1437-1443.

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Grigor'eva, N. R. ; Kazennov, B. A. ; Novikov, B. V. ; Anbushinova, O. K. ; Sel'kin, A. V. ; Bisengaliev, R. A. / Emergence of exciton near-surface localized states in the reflectance spectra of low-Se CdS1-xSex crystals. In: Physics of the Solid State. 1999 ; Vol. 41, No. 9. pp. 1437-1443.

BibTeX

@article{2b0b6c31903747c0b42c76fe5a049bf7,
title = "Emergence of exciton near-surface localized states in the reflectance spectra of low-Se CdS1-xSex crystals",
abstract = "A study is reported of the effect of exciton localization by solid-solution compositional inhomogeneities near the crystal surface, which gives rise to new unusual features in the optical excitonic spectra. These features, observed in exciton reflectance spectra of CdS1-xSex with low Se contents (x∼0.01), were studied in the 4.2-200-K temperature range. Models of the localizing excitonic potentials providing an adequate description of the experimental reflectance spectra were found. Nonlinear model potentials taking into account the diffusion mechanism at the onset of structural inhomogeneities and the state of the real crystal surface were invoked. The shape of the additional structure in the reflectance spectra was found to be very sensitive to the type and parameters of the near-surface potential well.",
author = "Grigor'eva, {N. R.} and Kazennov, {B. A.} and Novikov, {B. V.} and Anbushinova, {O. K.} and Sel'kin, {A. V.} and Bisengaliev, {R. A.}",
year = "1999",
month = jan,
day = "1",
doi = "10.1134/1.1131027",
language = "English",
volume = "41",
pages = "1437--1443",
journal = "Physics of the Solid State",
issn = "1063-7834",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "9",

}

RIS

TY - JOUR

T1 - Emergence of exciton near-surface localized states in the reflectance spectra of low-Se CdS1-xSex crystals

AU - Grigor'eva, N. R.

AU - Kazennov, B. A.

AU - Novikov, B. V.

AU - Anbushinova, O. K.

AU - Sel'kin, A. V.

AU - Bisengaliev, R. A.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - A study is reported of the effect of exciton localization by solid-solution compositional inhomogeneities near the crystal surface, which gives rise to new unusual features in the optical excitonic spectra. These features, observed in exciton reflectance spectra of CdS1-xSex with low Se contents (x∼0.01), were studied in the 4.2-200-K temperature range. Models of the localizing excitonic potentials providing an adequate description of the experimental reflectance spectra were found. Nonlinear model potentials taking into account the diffusion mechanism at the onset of structural inhomogeneities and the state of the real crystal surface were invoked. The shape of the additional structure in the reflectance spectra was found to be very sensitive to the type and parameters of the near-surface potential well.

AB - A study is reported of the effect of exciton localization by solid-solution compositional inhomogeneities near the crystal surface, which gives rise to new unusual features in the optical excitonic spectra. These features, observed in exciton reflectance spectra of CdS1-xSex with low Se contents (x∼0.01), were studied in the 4.2-200-K temperature range. Models of the localizing excitonic potentials providing an adequate description of the experimental reflectance spectra were found. Nonlinear model potentials taking into account the diffusion mechanism at the onset of structural inhomogeneities and the state of the real crystal surface were invoked. The shape of the additional structure in the reflectance spectra was found to be very sensitive to the type and parameters of the near-surface potential well.

UR - http://www.scopus.com/inward/record.url?scp=0033241866&partnerID=8YFLogxK

U2 - 10.1134/1.1131027

DO - 10.1134/1.1131027

M3 - Article

AN - SCOPUS:0033241866

VL - 41

SP - 1437

EP - 1443

JO - Physics of the Solid State

JF - Physics of the Solid State

SN - 1063-7834

IS - 9

ER -

ID: 45033070