Search Results - "Almaev, A. V"

Influence of Electrodes on the Parameters of Solar-Blind Detectors of UV Radiation by Kalygina, V. M., Tsymbalov, A. V., Almaev, A. V., Petrova, Yu. S.

“…The influence of the topology of electrodes on the electrical and photoelectric characteristics of metal–semiconductor–metal structures is studied…”
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Solar-Blind UV Detectors Based on β-Ga2O3 Films by Kalygina, V. M., Almaev, A. V., Novikov, V. A., Petrova, Yu. S.

“…Resistive-type structures based on gallium-oxide films are studied. The Ga 2 O 3 films are produced by radio-frequency magnetron-assisted sputtering of a β-Ga…”
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High Sensitivity of Halide Vapor Phase Epitaxy Grown Indium Oxide Films to Ammonia by Almaev, D. A., Almaev, A. V., Nikolaev, V. I., Butenko, P. N., Scheglov, M. P., Chikiryaka, A. V., Pechnikov, A. I.

“…The effect of H 2 , NH 3 , CO and O 2 on the electrically conductive properties of In 2 O 3 films grown by halide vapor phase epitaxy has been studied. In the…”
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Direct One-Step Plasma-Chemical Synthesis of Nanostructured β-Ga2O3–GaN Thin Films of Various Compositions by Mochalov, L. A., Kudryashov, M. A., Vshivtsev, M. A., Kudryashova, Yu. P., Prokhorov, I. O., Knyazev, A. V., Almaev, A. V., Yakovlev, N. N., Chernikov, E. V., Erzakova, N. N.

“…For the first time, nanostructured thin films of the β-Ga 2 O 3 −GaN system have been obtained by plasma-enhanced chemical vapor deposition (PECVD) on c-plane…”
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Gas-Sensing Properties of In2O3–Ga2O3 Alloy Films by Nikolaev, V. I., Almaev, A. V., Kushnarev, B. O., Pechnikov, A. I., Stepanov, S. I., Chikiryaka, A. V., Timashov, R. B., Scheglov, M. P., Butenko, P. N., Chernikov, E. V.

“…The effect of the gaseous medium composition on the electrically conductive properties of In 2 O 3 –Ga 2 O 3 films obtained by halide vapor phase epitaxy has…”
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Electrical Conductive and Photoelectrical Properties of Heterostructures Based on Gallium and Chromium Oxides with Corundum Structure by Almaev, D. A., Almaev, A. V., Kopyev, V. V., Nikolaev, V. I., Pechnikov, A. I., Stepanov, S. I., Boyko, M. E., Butenko, P. N., Scheglov, M. P.

“…α-Ga 2 O 3 /α-Cr 2 O 3 heterostructures with a corundum structure were obtained by chloride vapor phase epitaxy and magnetron sputtering. The structural,…”
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Selective Sensors of Nitrogen Dioxide Based on Thin Tungsten Oxide Films under Optical Irradiation by Almaev, A. V., Yakovlev, N. N., Chernikov, E. V., Tolbanov, O. P.

“…It is shown that NO 2 present in air, beginning at a concentration of 1 ppm, can be selectively detected by sensors based on Au/WO 3 :Au thin films activated…”
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Synthesis and Gas Sensitivity of Thin Chromium Oxide Films by Almaev, A. V., Kushnarev, B. O., Chernikov, E. V., Novikov, V. A.

“…Thin polycrystalline Cr 2 O 3 films were obtained using RF magnetron sputtering followed by annealing in air at T = 673 K. The obtained films had grain…”
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Study of the Abnormally High Photocurrent Relaxation Time in α-Ga2O3-Based Schottky Diodes by Schemerov, I. V., Polyakov, A. Yu, Almaev, A. V., Nikolaev, V. I., Kobeleva, S. P., Vasilyev, A. A., Kirilov, V. D., Kochkova, A. I., Kopiev, V. V., Kulanchikov, Yu. O.

“…Ga 2 O 3 is a wide-bandgap material with a number of unique characteristics that make it a promising material for photonics: it is optically transparent to…”
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Effect of Ambient Humidity on the Electrical Conductivity of Polymorphic Ga2O3 Structures by Almaev, A. V., Nikolaev, V. I., Stepanov, S. I., Yakovlev, N. N., Pechnikov, A. I., Chernikov, E. V., Kushnarev, B. O.

“…The effect of ambient humidity on the electrical conductivity of α-Ga 2 O 3 and α-Ga 2 O 3 /ε-Ga 2 O 3 is investigated. Polymorphic epitaxial Ga 2 O 3 layers…”
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Characteristics of Hydrogen Sensors Based on Thin Tin Dioxide Films Modified with Gold by Almaev, A. V., Gaman, V. I.

“…Effect of hydrogen in the concentration range from 10 to 2000 ppm on the characteristics of sensors based on thin films of tin dioxide modified with gold…”
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Characteristics of Hydrogen Sensors Based on Thin Tin Dioxide Films Modified with Platinum, Palladium, Silver, and Yttrium by Almaev, A. V., Gaman, V. I.

“…The dependence of the characteristics of hydrogen sensors based on thin Pt/Pd/SnO 2 :Sb, Ag, Y and Ag/SnO 2 :Sb, Ag, Y films obtained by the method of…”
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Effect of Ultraviolet Radiation and Electric Field on the Conductivity of Structures Based on α- and ε-Ga2O3 by Kalygina, V. M., Nikolaev, V. I., Almaev, A. V., Tsymbalov, A. V., Kopyev, V. V., Petrova, Y. S., Pechnikov, I. A., Butenko, P. N.

“…The effect of ultraviolet radiation and a strong electric field on the conductivity of structures based on two types of polymorphic gallium-oxide films is…”
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Dependences of Characteristics of Sensors Based on Tin Dioxide on the Hydrogen Concentration and Humidity of Gas Mixture by Gaman, V. I., Almaev, A. V.

“…An expression is obtained for the energy band bending eφ sH on the surface of the SnO 2 film in the clean air + hydrogen mixture. It is assumed that the value…”
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Properties of Resistive Structures Based on Gallium Oxide Polymorphic Phases by Kalygina, V. M., Nikolaev, V. I., Almaev, A. V., Tsymbalov, A. V., Petrova, Yu. S., Pechnikov, I. A., Butenko, P. N.

“…The effect of UV radiation and a strong electric field on the current–voltage characteristics of resistive structures based on polymorphic gallium oxide (Ga 2…”
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Anodic Gа2O3 Films Obtained by Oxidation of n-GaAs Plates in Galvanostatic Mode by Petrova, Yu. S., Almaev, A. V., Kalygina, V. M., Taller, E. V., Shcherbakov, P. S.

“…The electrical and photoelectrical characteristics of Ga 2 O 3 / n -GaAs structures with anodic gallium oxide films obtained by oxidation of n -GaAs in the…”
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Effect of Additives of Pt, Pd, Ag, and Y in Thin Nanocrystalline SnO2 Films on the Characteristics of Resistive Hydrogen Sensors by Sevast’yanov, E. Yu, Maksimova, N. K., Potekaev, A. I., Almaev, A. V., Chernikov, E. V., Sergeichenko, N. V., Kim, S. V.

“…The results of studying electrical and gas sensitive characteristics of H 2 sensors based on thin nanocrystalline SnO 2 films with the Pt, Pd, and Ag dispersed…”
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Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline SnO2 Films by Sevast’yanov, E. Yu, Maksimova, N. K., Potekaev, A. I., Sergeichenko, N. V., Chernikov, E. V., Almaev, A. V., Kushnarev, B. O.

“…Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline SnO 2 films…”
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Gas sensitivity of PECVD β-Ga2O3 films with large active surface by Almaev, A.V., Yakovlev, N.N., Chernikov, E.V., Erzakova, N.N., Mochalov, L.A., Kudryashov, M.A., Kudryashova, YuP, Nesov, S.N.

“…The gas-sensitive properties of Ga2O3 films, first synthesized by plasma-enhanced chemical vapor deposition (PECVD), with respect to gaseous species of…”
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Impact on the subsurface layers of the single-crystal β-Ga2O3 wafers induced by a mechanical wear by Butenko, P.N., Guzilova, L.I., Chikiryaka, A.V., Boiko, M.E., Sharkov, M.D., Almaev, A.V., Nikolaev, V.I.

“…The tribological experiment applied to the gallium oxide wafer led to changes in its structure which can reduce the single crystal perfection. The effect of…”
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