Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Excitonic Probe for Characterization of High-Quality Quantum-Well Heterostructures. / Shapochkin, P. Yu.; Eliseev, S. A.; Lovtcius, V. A.; Efimov, Yu. P.; Grigoryev, P. S.; Khramtsov, E. S.; Ignatiev, I. V.
в: Physical Review Applied, Том 12, № 3, 034034, 17.09.2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Excitonic Probe for Characterization of High-Quality Quantum-Well Heterostructures
AU - Shapochkin, P. Yu.
AU - Eliseev, S. A.
AU - Lovtcius, V. A.
AU - Efimov, Yu. P.
AU - Grigoryev, P. S.
AU - Khramtsov, E. S.
AU - Ignatiev, I. V.
PY - 2019/9/17
Y1 - 2019/9/17
N2 - High-quality GaAs/(Al,Ga)As heterostructures with quantum wells grown by molecular-beam-epitaxy technology are experimentally studied by means of optical spectroscopy of exciton states. The exciton resonances observed in the reflectance spectra are analyzed in the framework of phenomenological and microscopic models. The exciton energies, the radiative (â.,Γ0) and nonradiative (â.,Γ) broadening, and the phases of resonant reflection are obtained from the modeling for each exciton resonance. These parameters are used for careful analysis of the parameters and quality of the structures. Particular attention is paid to the exciton energies and phases, which are used to determine the quantum-well and barrier-layer thicknesses with high accuracy.
AB - High-quality GaAs/(Al,Ga)As heterostructures with quantum wells grown by molecular-beam-epitaxy technology are experimentally studied by means of optical spectroscopy of exciton states. The exciton resonances observed in the reflectance spectra are analyzed in the framework of phenomenological and microscopic models. The exciton energies, the radiative (â.,Γ0) and nonradiative (â.,Γ) broadening, and the phases of resonant reflection are obtained from the modeling for each exciton resonance. These parameters are used for careful analysis of the parameters and quality of the structures. Particular attention is paid to the exciton energies and phases, which are used to determine the quantum-well and barrier-layer thicknesses with high accuracy.
KW - BINDING-ENERGY
KW - SPECTROSCOPY
KW - SHALLOW
UR - http://www.scopus.com/inward/record.url?scp=85072796480&partnerID=8YFLogxK
U2 - 10.1103/PhysRevApplied.12.034034
DO - 10.1103/PhysRevApplied.12.034034
M3 - Article
AN - SCOPUS:85072796480
VL - 12
JO - Physical Review Applied
JF - Physical Review Applied
SN - 2331-7019
IS - 3
M1 - 034034
ER -
ID: 49355921