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3rd International Conference on Metamaterials and Nanophotonics, METANANO 2018

作者： Pokutnyi, Sergey I. Kulchin, Yuri N. Dzyuba, Vladimir P. Amosov, Andrey V. Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine 17 General Naumov Str. Kyiv03164 Ukraine Institute of Automation and Control Processes FEB Russian Academy of Sciences 5 Radio Str. Vladivostok690950 Russia

It has been found that the formation of a biexciton in a nanoheterostructures (NHS) made up of aluminum oxide quantum dots (QD) synthesized in a dielectric matrix is of threshold character and can occur in a nanosystem where the distance D between the surfaces of QD is given by the condition (1) = (2). We have shown that in such a NHS acting as "exciton molecules" (biexcitons consisting of spatially separated electrons and holes) are the quantum dots of aluminum oxide with excitons localizing over their surfaces. The position of the biexciton state energy band depends both on the mean radius of the quantum dots, and the distance between their surfaces, which enables one to purposefully control it by varying these parameters of the nanostructure. © 2018 institute of Physics *** Rights Reserved.

关键词： Aluminum oxide

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Method of spatial path planning for mobile robot in unknown environment 28

Method of spatial path planning for mobile robot in unknown ...

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28th DAAAM International Symposium on Intelligent Manufacturing and automation, DAAAM 2017

作者： Yukhimets, Dmitry Zuev, Alexander Gubankov, Anton Institute of Automation and Control Processes FEB RAS Vladivostok Russia Far Eastern Federal University Vladivostok Russia

ISBN: (纸本)9783902734112

This paper deals with developing of method of spatial path planning for mobile robots of different types moving in unknown environment with obstacles. This method plans trajectories base on third-order Bezier splines using the data from onboard range sensors. It allows to automatically make decisions about the strategy of obstacles avoidance in horizontal or vertical planes considering the restrictions of mobile robots' propulsion system. Results of simulation confirm its high efficiency, low complexity and small computational capacity.

关键词： Mobile robots

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Static and dynamic sorption of free amines on surface of carbon nanotubes modified with nanolayers of polymer 4th

Static and dynamic sorption of free amines on surface of car...

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4th Asian School-Conference on Physics and Technology of Nanostructured Materials, ASCO-Nanomat 2018

作者： Galkina, Anna Sergeev, Alexander Leonov, Andrey Romashko, Roman Jiang, Jyh-Chiang Liaw, Der-Jang Institute of Automation and Control Processes FEB RAS 5 Radio St. Vladivostok690041 Russia Far Eastern Federal University 8 Sukhanova St. Vladivostok690950 Russia National Taiwan University of Science and Technology 43 Sec. 4 Keelung Rd. Taipei10607 Taiwan

ISBN: (纸本)9783035714777

In this work, we present a novel pyrene-functionalized benzoxazine (Py-BZ)/single-walled carbon nanotubes (SWNTs) complex material as an efficient luminescent chemosensor for gaseous amines. It is shown that an interaction of poly(Py-BZ)/SWCNTs nanocomposites with analyte vapor leads to the increase of the intensity of luminescence. The response of these sensors to methylamines by static and dynamic flow measurement were studied. © 2018 Trans Tech Publications, Switzerland

关键词： Chemosensor

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Universal algorithm for scanning probe microscopy images grain analysis of objects on the surface

Universal algorithm for scanning probe microscopy images gra...

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2017 IEEE International Conference on Cyber Conflict U.S., CyCon U.S. 2017

作者： Balagan, Semyon Chusovitin, Evgeniy Goroshko, Dmitry Goroshko, Olga Institute of Automation and Control Processes FEB RAS Vladivostok Russia Vladivostok State University Economics and Service Vladivostok Russia

ISBN: (纸本)9781538612064

Currently, scanning probe microscopy (SPM) is actively used to obtain surface data. A large number of images require a fast and high-accuracy calculation of the topographic parameters of particles on the surface. The original grain analysis algorithm based on finding a local maximum is realized by sorting an array of points forming the topography of the SPM image surface. It provides to determine various topographic characteristics of objects located on a surface (height, lateral dimensions, area, volume, etc.) © 2017 IEEE.

关键词： Scanning probe microscopy

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Non-invasive temperature-feedback SERS with all-dielectric resonant nanostructures 4th

Non-invasive temperature-feedback SERS with all-dielectric r...

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4th Asian School-Conference on Physics and Technology of Nanostructured Materials, ASCO-Nanomat 2018

作者： Mitsai, Eugeny Kuchmizhak, Aleksandr Institute of Automation and Control Processes Far Eastern Branch RAS 5 Radio St. Vladivostok690041 Russia Far Eastern Federal University 8 Sukhanova St. Vladivostok690950 Russia

ISBN: (纸本)9783035714777

All-dielectric resonant micro- and nano-structures emerge as a promising platform, which can complement the metal-based counterparts in routine biosensing measurements based on surface-enhanced Raman scattering (SERS). However, lack of in-situ temperature control limits performance of nanostructures for precise SERS-based applications. Here, we present an approach for SERS measurement with simultaneous temperature control and employ Raman spectroscopy to mapping of temperature-dependent Raman signal distribution. We attest a chemically inert black silicon (b-Si) substrate for a non-invasive (chemically non-perturbing) SERS identification of the molecular fingerprints at low concentrations. Additional studies of the slow daylight-driven para-aminothiophenol (PATP)-to-4,4′-dimercaptoazobenzene (DMAB) catalytic conversion in the aqueous methanol solution loaded with colloidal silver nanoparticles confirm the non-invasive SERS performance of the all-dielectric crystalline b-Si substrate. Proposed SERS substrates can be fabricated using easy-to-implement scalable technology of plasma etching making such inexpensive all-dielectric substrates promising for routine SERS applications, where the temperature-feedback and the noninvasiveness are of mandatory importance. © 2018 Trans Tech Publications, Switzerland

关键词： Raman spectroscopy

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Laser-printed self-organized bimetallic nanotextures for multiwavelength surface enhanced photoluminescence 4th

Laser-printed self-organized bimetallic nanotextures for mul...

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4th Asian School-Conference on Physics and Technology of Nanostructured Materials, ASCO-Nanomat 2018

作者： Pavlov, D.V. Kuchmizhak, A.A. Institute of Automation and Control Processes Far Eastern Branch RAS 5 Radio St. Vladivostok690041 Russia Far Eastern Federal University 8 Sukhanova St. Vladivostok690950 Russia

ISBN: (纸本)9783035714777

For biosensorics, photonics, chemistry, etc. there is a need for nanoelements supporting strong plasmonic response over a wide spectral range. In this study, we demonstrate bimetallic self-organized spallative craters fabricated with an inexpensive and high-performance direct femtosecond laser printing on the silver film surface followed by magnetron deposition of the Au nano-patches. Such Au nano-patches allows to extend the plasmonic response of the resulting bimetallic nanotexture over the visible spectral range as well as produce cascaded hierarchical surface nanotopography considerably multiplying the density of electromagnetic hot spots per individual element. The strong plasmonic response is confirmed by supporting finite difference time domain (FDTD) calculations, Red-Green-Blue (RGB) color analysis of the plasmon-mediated scattering as well as by detecting surface-enhanced photoluminescence (SEPL) of the different quantum emitters capping the surface of the bimetallic self-organized textures. © 2018 Trans Tech Publications, Switzerland

关键词： Photoluminescence

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Abrasive wear of Cemented Granular Composites: Experiments and Numerical Simulations

Abrasive wear of Cemented Granular Composites: Experiments a...

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International Multi-Conference on Industrial Engineering and Modern Technologies 2018

作者： Makarova, N.V. Polonik, M.V. Mantsybora, A.A. Institute of Automation and Control Processes of Far Eastern Branch of RAS Radio str. 5 Vladivostok690041 Russia Far Eastern Federal University Sukhanova str. 8 Vladivostok690950 Russia

The results of earlier experimental work and numerical calculations to determine the effects of technological parameters on abrasion resistance of concrete are summarized and new data presented. The dependences of the near-surface stress-strain state on the geometric and stiffness parameters are analyzed. Particular attention paid to the stages preceding the destruction of the adhesion interaction between cement matrix and grains. Numerical calculations were carried out in the ANSYS software. This numerical model may be useful for understanding heterogeneous material behavior in terms of wear, depending on structure geometrical characteristics, material mechanical properties and interactions occurring in the near surface layer. Adhesive laws gives very interesting advantages, of which the most important is to model the evolution of damage throughout the life of the building constructions. © Published under licence by IOP Publishing Ltd.

关键词： Abrasion

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Thermoelectric properties of nanostructured material based on Si and GaSb 4th

Thermoelectric properties of nanostructured material based o...

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4th Asian School-Conference on Physics and Technology of Nanostructured Materials, ASCO-Nanomat 2018

作者： Goroshko, Dmitrii L. Subbotin, Evgeniy Y. Chusovitin, Evgeniy A. Balagan, Semeyon A. Galkin, Konstantin N. Dotsenko, Sergey A. Gutakovskii, Anton K. Khovaylo, Vladimir V. Usenko, Andrey A. Nazarov, Vladimir U. Galkin, Nikolay G. Institute of Automation and Control Processes FEB RAS 5 Radio St. Vladivostok690041 Russia Institute of Semiconductor Physics of SB RAS 13 pr. Lavrentieva Novosibirsk630090 Russia National University of Science and Technology "MISiS" 4 Leninskiy pr. Moscow119049 Russia Academia Sinica Research Center for Applied Sciences 128 Section 2 Academia Road Nangang Taipei11529 Taiwan

ISBN: (纸本)9783035714777

Successively forming GaSb islands by solid-phase epitaxy and covering them with a silicon layer, a nanostructured material containing 4 layers of GaSb nanocrystals (NCs) was grown on Si(111) surface. Due to a small size of the NCs (average height ~ 1.7 nm, average lateral size ~ 14 nm) and, as a consequence, to a significant quantum-size effect, a high electrical conductivity (~ 100 Ω-1·cm-1 at 600 K) together with a low thermal conductivity (~ 1 - 1.5 W·m-1·K-1 at 600 K) was obtained in the nanostructured material Si/NC_GaSb/Si. As a result, the thermoelectric figure of merit of the material has reached 0.82 at 600 K. © 2018 Trans Tech Publications, Switzerland

关键词： Silicon

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The Achievements of Information Technology in the Russian Far East Heat Power Industry

The Achievements of Information Technology in the Russian Fa...

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Russia and Pacific Conference on Computer Technology and Applications (RPC)

作者： Eugene Voloshin Valeri Chipulis Roman Kuznetsov Laboratory of Technical Diagnostics Institute for Automation and Control Processes FEB RAS Vladivostok Russia Department of Information Technologies and Systems Vladivostok State University Economics and Service Vladivostok Russia

ISBN: (纸本)9781538675328

The problems of energy efficiency and the prospects of information systems in the heat power industry are considered. Particular attention is paid to the framework for development of information and analytical systems. The applications of innovative information and analytical systems designed to improve reliability and energy savings are shown.

关键词： Buildings Monitoring Temperature measurement Energy consumption Cogeneration

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Two-dimensional metallic (Tl,Au)/Si(100)c(2×2): A rashba-type system with C2v symmetry

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Physical Review B 2018年第12期98卷 125428-125428页

作者： D. V. Gruznev L. V. Bondarenko A. Y. Tupchaya V. G. Kotlyar O. A. Utas A. N. Mihalyuk S. V. Eremeev A. V. Zotov A. A. Saranin Institute of Automation and Control Processes FEB RAS 690041 Vladivostok Russia School of Natural Sciences Far Eastern Federal University 690091 Vladivostok Russia Institute of Strength Physics and Materials Science SB RAS 634055 Tomsk Russia Tomsk State University 634050 Tomsk Russia

A highly ordered (Tl,Au)/Si(100)c(2×2) two-dimensional compound was found to form upon room-temperature adsorption of 1.0 monolayer (ML) of Au onto a Tl/Si(100)2×1 surface with 1.0 ML of Tl. The compound was determined to have a double-atomic-layer structure where Au and Tl atoms constitute the bottom and top layers, respectively. The compound is metallic due to the presence of the two dispersive surface-state bands crossing the Fermi level. The bands are spin split, and the peculiar feature of their spin texture is the occurrence of exclusively in-plane spin components that is originated from the C2v symmetry of the system. One of the bands has a typical vortical spin texture, whereas the other exhibits an unusual nonvortical spin texture.

关键词： Electronic structure Fermi surface Surface reconstruction Surface states 2-dimensional systems First-principles calculations Photoemission spectroscopy Scanning tunneling microscopy

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