Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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.
в: Physics of the Solid State, Том 41, № 9, 01.01.1999, стр. 1437-1443.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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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