Л. И. Трахтенберг

Research Field

The rate constant of ethanol laser-induced decomposition (LIP) under the influence of pulsed laser IR radiation was calculated, and the relative yield of products by various routes was determined. Processes taking place during the interpulse interval were considered and the concentration of molecules was designated. When decomposition was small in comparison with the rate of relaxation processes, a quasisteady-state distribution of excited molecules was established. The yields of decomposition product during a pulse and an interpulse interval were determined.

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Сенсоры на основе нанокомпозитных пленок ZnO для детектирования этанола в воздухе

Химическая физика (2020)

Т. В. Белышева Е. Ю. Спиридонова М. И. Иким Г. Н. Герасимов В. Ф. Громов

10.31857/s0207401x20040056

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Effect of Temperature and Nanoparticle Size on Sensor Properties of Nanostructured Tin Dioxide Films

The Journal of Physical Chemistry C (2014)

Mortko Kozhushner Л. И. Трахтенберг V. L. Bodneva Tatyana V. Belisheva Aaron Landerville

The previously developed theory of sensor response is validated by detailed comparison with experiment. For this purpose, new experiments are performed to investigate the sensitivity of semiconductor tin dioxide (SnO2) nanostructured thin films with average nanoparticle diameter ≈120 nm as a function of temperature and concentration of analyte hydrogen gas. Concurrently, the sensor properties are calculated at experimental conditions by taking into account the increase of surface chemical reactions with temperature as well as subsequent dominance of desorption over adsorption processes at high temperatures. Comparative analysis of temperature and nanoparticle size dependence of sensor response is also performed using experimental data from other groups. Qualitative agreement between experiment and theory is achieved.

Tin dioxide

Operating temperature

Response time

10.1021/jp501989k

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Cobalt doped cubic and rhombohedral In2O3: The role of crystalline phase of indium oxide in sensor response to hydrogen

Chemical Physics Letters (2024)

М. И. Иким Г. Н. Герасимов A. R. Erofeeva В. Ф. Громов Olusegun J. Ilegbusi

Trigonal crystal system

Cobalt oxide

10.1016/j.cplett.2024.141321

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Synthesis of Metallic Janus Nanoparticles by Aerosol Spraying

Russian Journal of Physical Chemistry B (2018)

А. V. Zheltova A. S. Smolyansky Yu. G. Biryukov М. И. Иким Л. И. Трахтенберг

Janus Particles

Silver nanoparticle

10.1134/s1990793118050238

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Conductivity and sensing properties of In2O3+ZnO mixed nanostructured films: Effect of composition and temperature

Sensors and Actuators B Chemical (2013)

Л. И. Трахтенберг Г. Н. Герасимов В. Ф. Громов Т. В. Белышева Olusegun J. Ilegbusi

Nanocrystalline material

10.1016/j.snb.2013.03.017

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Citations (44)

Modeling the Jump-like Diffusion Motion of a Brownian Motor by a Game- Theory Approach: Deterministic and Stochastic Models

Nonlinear Phenomena in Complex Systems (2022)

A. D. Terets T. Ye. Коrochkova V. A. Mashira В. М. Розенбаум И. В. Шапочкина

Methods of paradoxical games are used to construct a stochastic hopping model of Brownian ratchets which extends the well-known analogous deterministic model. The dependencies of the average displacements of a Brownian particle in a stochastic ratchet system on a discrete time parameter are calculated, as well as the dependencies of the average ratchet velocity on the average lifetimes of the states of the governing dichotomous process. The results obtained are compared with both the results of modeling a similar deterministic model and the results of a known analytic description. While for the hopping analogue of the deterministic on-off ratchet, the time dependence of the displacement contains periodically repeated hopping changes when the potential is switched on and plateau of the diffusion stage of the motion when it is switched off, the stochastic dependencies, that are of an averaged character, are monotonous and do not contain jumps. It is shown that, with other things being equal, the difference in the results for the hopping ratchet model driven by the stochastic and deterministic dichotomous process of switching the potential profiles (game selection) is more pronounced at short lifetimes of the dichotomous states and vanishes with their increase.

Stochastic modelling

Jump process

Jump Diffusion

10.33581/1561-4085-2022-25-1-41-50

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АДИАБАТИЧЕСКИЙ РЭТЧЕТ-ЭФФЕКТ В СИСТЕМАХ С ДИСКРЕТНЫМ ИЗМЕНЕНИЕМ ПЕРЕМЕННЫХ

Письма в Журнал экспериментальной и теоретической физики (2020)

В. М. Розенбаум И. В. Шапочкина Л. И. Трахтенберг

10.31857/s1234567820170103

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