Fine characterization of MBE-grown super-multiperiod AlGaAs/GaAs superlattices designed for THz radiation sources

LI Goray, EV Pirogov, MS Sobolev, AS Dashkov… - Materials Science in …, 2024 - Elsevier
A comprehensive metrological analysis was conducted on doped and nondoped super-
multiperiod superlattice (SMP SL) AlGaAs/GaAs structures comprising 400 periods …

Matched characterization of super-multiperiod superlattices

L Goray, E Pirogov, M Sobolev, I Ilkiv… - Journal of Physics D …, 2020 - iopscience.iop.org
Heterostructures with multiple strongly coupled quantum wells, such as super-multiperiod
(SMP) superlattices (SLs), are promising semiconductor devices, which may contain …

High-order multilayer coated blazed gratings for high resolution soft x-ray spectroscopy

DL Voronov, LI Goray, T Warwick, VV Yashchuk… - Optics …, 2015 - opg.optica.org
A grand challenge in soft x-ray spectroscopy is to drive the resolving power of
monochromators and spectrometers from the 10^ 4 achieved routinely today to well above …

Matched X-ray reflectometry and diffractometry of super-multiperiod heterostructures grown by molecular beam epitaxy

LI Goray, EV Pirogov, MS Sobolev, IV Ilkiv, AS Dashkov… - Semiconductors, 2019 - Springer
Heterostructures with strongly-coupled multiple quantum wells, such as super-multiperiod
superlattices with high perfection, may contain hundreds of layers, whose thicknesses can …

[PDF][PDF] Nonlinear continuum growth model of multiscale reliefs as applied to rigorous analysis of multilayer short-wave scattering intensity. I. Gratings

L Goray, M Lubov - Journal of Applied Crystallography, 2013 - journals.iucr.org
It is shown that taking into proper account certain terms in the nonlinear continuum equation
of thin-film growth makes it applicable to the simulation of the surface of multilayer gratings …

Fabrication and soft-X-ray and EUV range testing of Au-and multilayer Mo/Si-coated diffraction gratings with high-order blaze

LI Goray, TN Berezovskaya, DV Mokhov… - Bulletin of the Lebedev …, 2023 - Springer
Blazed and low-roughness 500 lines/mm diffraction gratings, designed for operation in high
orders in the soft X-ray and extreme UV (EUV) radiation ranges and having Au and …

Absorption and scattering by structured interfaces in X-rays

L Goray - Journal of Synchrotron Radiation, 2021 - journals.iucr.org
Promising achievements of resonance inelastic X-ray scattering and other spectroscopy
studies in the range from hard X-ray to extreme ultraviolet require the development of exact …

First detection of x-ray whispering gallery modes at the surface meniscus of a rotating liquid

LI Goray, VE Asadchikov, BS Roshchin, YO Volkov… - OSA …, 2019 - opg.optica.org
Whispering galleries propagating along large-radius concave meniscuses at the surfaces of
rotating deionized water as well as hydrosol of∼ 10? nm amorphous silica particles …

Analysis of mirror soft-x-ray–EUV scattering using generalized continuous growth model of multiscale reliefs

L Goray, M Lubov - Optics Express, 2015 - opg.optica.org
Combined computer simulations of the growth of multilayer mirrors and their exact
differential reflection coefficients in the soft-x-ray–EUV range have been conducted. The …

Deep X-Ray Reflectometry of Supermultiperiod A3B5 Structures with Quantum Wells Grown by Molecular-Beam Epitaxy

LI Goray, EV Pirogov, MS Sobolev, NK Polyakov… - Technical Physics, 2020 - Springer
Abstract Elastically strained supermultiperiod (100–1000 periods) AlGaAs/GaAs
superlattices with different doping levels and slightly differing period thicknesses have been …