Физика список научных статей
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EFFECT OF FIB-MODIFICATION OF SI(111) SURFACE ON GAAS NANOWIRE GROWTH
The paper presents the results of experimental studies of GaAs nanowire growth on Si(111) substrate with Ga focused ion beam modified areas with different treatment doses. We observed a significant difference between the parameters of nanowires arrays formed on modified and unmodified areas. It is...
2022 / Shandyba N.A., Kirichenko D.V., Chernenko N.E., Eremenko M.M., Balakirev S.V., Solodovnik M.S.WOSScopusВАК
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MULTISTAGE DROPLET EPITAXY FOR THE FABRICATION OF INAS/GAAS QUANTUM DOTS WITH ULTRA-LOW DENSITY
In this paper, we demonstrate a novel technique enabling fabrication of small-sized InAs/GaAs quantum dots with a very low surface density during droplet epitaxy. In contrast to the traditional two-stage approach, we introduce an additional stage of exposure to the ultra-low arsenic flux which...
2022 / Balakirev S.V., Kirichenko D.V., Chernenko N.E., Shandyba N.A., Eremenko M.M., Solodovnik M.S.WOSScopusВАК -
STUDY OF FIB-MODIFIED SILICON AREAS BY AFM AND RAMAN SPECTROSCOPY
This paper presents the results of atomic force microscopy and Raman spectroscopy studies of the effect of high-temperature annealing on the height/depth parameters of silicon areas modified by a focused ion beam. It is shown that the focused ion beam treatment with 5 beam passes leads to swelling...
2022 / Nikitina L.S., Lakhina E.A., Eremenko M.M., Balakirev S.V., Chernenko N.E., Shandyba N.A., Ageev O.A., Solodovnik M.S.WOSScopusВАК -
ELECTRON PHASE-BREAKING TIME IN ULTRA-THIN NB FILMS
Here we study the temperature dependences of the phase-breaking time in ultra-thin superconducting niobium (Nb) films. In Nb films, passivated with a layer of silicon (Si), a strong temperature dependence of the phase-breaking time is observed. However, in uncovered Nb films, we observe the...
2022 / Lomakin A.I., Baeva E.M., Titova N.A., Zolotov P.I., Kolbatova A.I., Goltsman G.N.WOSScopusВАК -
SIDEWALL ROUGHNESS MODEL FOR OPTICAL LOSSES CALCULATION IN PHOTONIC INTEGRATED CIRCUITS
One of the key performance indicators of photonic circuits is the value of optical propagation losses. Among several factors which impact these losses, the sidewall roughness is considered as the primary focus of this work. The optical signal, propagating along the photonic device, scatters on...
2022 / Shamin E.S., Sharapov A.A., Skuratov I.D., Demidov S.O., Gornev E.S.WOSScopusВАК -
THE KINETIC SIMULATION IN VACUUM ELECTRONICS: UNCOVERING THE FUNDAMENTAL NATURE OF NON-MAXWELLIAN DISTRIBUTION FUNCTION EFFECTS
This paper presents main theoretical results obtained in vacuum explosive-emission electronics by using of the numerical methods aimed to the direct solution of Vlasov Poisson kinetic equations. It was shown that computational physical kinetics makes it possible to explain a number of important...
2022 / Kozhevnikov V.Yu., Kozyrev A.V., Kokovin A.O., Semeniuk N.S.WOSScopusВАК -
GROWTH OF NANOSTRUCTURED COBALT THIN FILM AT OBLIQUE ANGLE DEPOSITION
Nanocolumnar Co thin films growth by oblique angle deposition on Si substrate is experimentally studied. Formation of regular arrays of vertical Co nanocolumns has been observed at incidence angles more than 80 degrees with rotation of substrate. Such films might be perspective material for...
2022 / Fattakhov I.S., Trushin T.O., Popov P.A., Mazaletsky M.L.WOSScopusВАК -
ELECTRICAL CONDUCTIVITY AND OPTICAL PROPERTIES OF WATER-BASED GRAPHENE/AGNWS HYBRID INKS FOR FLEXIBLE ELECTRONICS
The present study provides the description of water-based inks made of hybrid graphene-silver nanoparticles conductive fillers in a wide concentration range for printed electronics applications. Aqueous graphene suspensions were manufactured via ultrasonic exfoliation of pristine graphite, whereas...
2022 / Dronova M.A., Danilov E.A., Veretennikov M.R.WOSScopusВАК -
OPTICAL SECOND-HARMONIC RESPONSE OF AN AXIALLY-SYMMETRIC MEDIUM UNDER RADIALLY POLARIZED EXCITATION
We simulated optical second harmonic response, both surface and bulk, of axially symmetric media excited by tightly focused radially polarized fundamental beams. The modeling showed a highly localized character of second harmonic generation. We estimated decrease of overall second harmonic signal...
2022 / Scherbak S.A., Reshetov I.V., Lipovskii A.A.WOSScopusВАК -
PECULIARITIES OF THE LUMINESCENCE RESPONSE OF TWO-DIMENSIONAL PHOTONIC CRYSTALS WITH ORDERED GE(SI) NANOISLANDS OBTAINED USING DIFFERENT ORDERING APPROACHES
In this work, we investigated the luminescent properties of two-dimensional photonic crystals (PhCs) with ordered Ge(Si) nanoislands obtained using one- and two-stage approaches to ordering. The features of the luminescent response of such structures and their relationship with the ordering...
2022 / Peretokin A.V., Stepikhova M.V., Novikov A.V., Smagina Zh.V., Dyakov S.A.WOSScopusВАК -
POLARIZATION COMPENSATION DESIGN FOR FREE-SPACE QUANTUM COMMUNICATION TRANSMITTER
Quantum communication is a transmission technology that allows legitimate users to share a secret key. The BB84 protocol employs four linear polarization states for encoding in our quantum key distribution system. However, the optical elements affect the polarization features of quantum state,...
2022 / Merzlinkin V.E., Khmelev A.V., Duplinsky A.V., Kurochkin V.L., Kurochkin Yu.V.WOSScopusВАК -
INVESTIGATION OF CRYSTALLINITY DEGREE FOR GE₂SB₂TE₅ FILMS BY REFLECTION AND TRANSMISSION PHOTOMETRY
To assess the crystallinity degree for Ge₂Sb₂Te₅ (GST) films the method of reflection and transmission photometry and the approximation of an effective medium of the Brueggemann type were used. It was found that the changes in the energy and duration of the laser pulse lead to the change in the...
2022 / Tolkach N.M., Vishnyakov N.V., Litvinov V.G., Yakubov A.O., Trofimov E.S., Sherchenkov A.A.WOSScopusВАК -
EXPERIMENTAL STUDY OF ALL-VAN-DER-WAALS WAVEGUIDE POLARITONS AT ROOM TEMPERATURE
In this work, we experimentally investigate guided polaritons utilizing only 2D van der Waals materials, with hexagonal boron nitride (hBN) as the waveguide layer and WS2 monolayer as the excitonic medium. We place the WS2 monolayer at the maximum of the waveguide mode electromagnetic field,...
2022 / Kondratiev V.I., Ivanova T., Tyugaev M.D., Samusev A.K., Kravtsov V.WOSScopusВАК -
NEW DESIGN OF A WAVEGUIDE INTEGRATED PHOTON NUMBER RESOLVING SUPERCONDUCTING DETECTOR WITH MICRON-WIDE STRIPS
We report on the development of a design for a waveguide integrated photon number resolving superconducting detector with micron-wide strips. The planarize operation is used to place a micron-wide superconducting strip. The detector resolves the number of photons in an optical pulse by matching the ...
2022 / Dryazgov M.A., Korneeva Yu.P., Korneev A.A.WOSScopusВАК -
OPTICAL ABSORPTION AND RAMAN SCATTERING MAPPING OF NANOPARTICLES PATTERNS FORMED IN GLASS BY NANOSECOND LASER IN UV, VIS AND IR
The paper is devoted to optical study of silver nanoparticles formed in a glass enriched with silver ions upon irradiation with nanosecond laser in UV, VIS and IR. The silver ions were introduced in glass by ion-exchange procedure. The silver nanoparticles were patterned to form spot-like...
2022 / Babich E.S., Kaasik V.P., Redkov A.V., Lipovskii A.A.WOSScopusВАК -
OPTICAL STUDIES OF INP NANOSTRUCTURES MONOLITHICALLY INTEGRATED IN SI (100)
We present a photoluminescence study of InP nanostructures monolithically integrated to Si (100) substrate. The InP nanostructures were grown in pre-formed pits in the silicon substrate using an original approach by metal-organic vapor phase epitaxy via selective area growth driven by molten alloy. ...
2022 / Melnichenko I.A., Kryzhanovskaya N.V., Berdnikov Yu.S., Moiseev E.I., Makhov I.S.WOSScopusВАК -
MODIFICATION OF THE OPTICAL AND ELECTRICAL PROPERTIES OF NIO FILMS BY THERMAL ANNEALING
This paper presents the results of studying the effect of thermal annealing on the optical and electrical characteristics of NiO films. NiO layers were synthesized using DC magnetron sputtering from a Ni target. The films were deposited in an Ar/O2 gas mixture with a ratio of 70%/30%, respectively. ...
2022 / Enns Ya.B., Kazakin A.N., Komarevtsev I.M., Vyacheslavova E. А., Kondrateva A.S., Mishin M.V.WOSScopusВАК -
OPTIMIZING DEPOSITION REGIMES TO FABRICATE VANADIUM DIOXIDE FILM FOR ACTIVE METASURFACES
Several deposition protocols to obtain epitaxial VO2 films from metallic vanadium and VO2 targets are compared. Films obtained from VO2 target showed much smoother and droplet free surface compared to those prepared from V target. The samples prepared from oxide target in average showed larger...
2022 / Kutepov M.E., Domaratskiy I.K., Zhukov S.S., Kaidashev E.M., Lisnevskaya I.V., Abdulvakhidov K.G., Kaydashev V.E.WOSScopusВАК -
TEMPERATURE-DEPENDENT EXCITON-POLARITONS IN PEROVSKITE PHOTONIC CRYSTAL SLAB
Exciton-polaritons are perspective platform for realizing ultrafast and strong optical modulations, which are necessary for the plant of applications. However, exciton-polaritons are studied mostly for semiconductor quantum wells inside vertical Bragg cavities, which limits it to the cryogenic...
2022 / Masharin M.A., Makarov S.V., Samusev A.K.WOSScopusВАК -
INDEPENDENT CONTROL OF SIZE AND SHAPE OF GAAS NANOSTRUCTURES DURING DROPLET EPITAXY USING ULTRA-LOW ARSENIC FLUX
GaAs nanostructures are promising candidates for use in future nanoelectronics and quantum photonics. However, technology of their controllable fabrication with precisely predefined size, shape and surface density still requires further improvement. In this paper, we reveal a possibility to reduce...
2022 / Balakirev S.V., Lakhina E.A., Kirichenko D.V., Chernenko N.E., Shandyba N.A., Eremenko M.M., Solodovnik M.S.WOSScopusВАК
