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Multiple orbital angular momentum generated by dielectric hybrid phase element

AIP Conference Proceedings 2017年第1期1874卷

作者： Xuewen Wang Aleksandr Kuchmizhak Dejiao Hu Xiangping Li 1Centre for Micro-Photonics Swinburne University of Technology Hawthorn VIC 3122 Australia 2School of Natural Sciences Far Eastern Federal University (FEFU) 8 Sukhanova Str. Vladivostok 690041 Russia 3Institute of Automation and Control Process of FEB RAS 5 Radio Str. 690041 Vladivostok Russia 4Institute of Photonics Technology Jinan University Guangzhou 510632 China

Vortex beam carrying multiple orbital angular momentum provides a new degree of freedom to manipulate light leading to the various exciting applications as trapping, quantum optics, information multiplexing, etc. Helical wavefront can be generated either via the geometric or the dynamic phase arising from a space-variant birefringence (q-plate) or from phase accumulation through propagation (spiral-phase-plate), respectively. Using fast direct laser writing technique we fabricate and characterize novel hybrid q-plate generating vortex beam simultaneously carrying two different high-order topological charges, which arise from the spin-orbital conversion and the azimuthal height variation of the recorded structures. We approve the versatile concept to generate multiple-OAM vortex beams combining the spin-orbital interaction and the phase accumulation in a single micro-scale device, a hybrid dielectric phase plate.

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Direct femtosecond laser printing of plasmonic colors and functional sensing elements

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AIP Conference Proceedings 2017年第1期1874卷

作者： A. A. Kuchmizhak X. Wang S. Makarov O. Vitrik 1School of Natural Sciences Far Eastern Federal University Vladivostok Russia 2Institute of Automation and Control Processes Far Eastern Branch Russian Academy of Science Vladivostok 690041 Russia 3Swinburne University of Technology John st. Hawthorn 3122 Victoria Australia 4ITMO University St. Peterburg 197101 Russia

Utilization of structural colors produced by nanosized optical antennas is expected to revolutionize the current display technologies based on an ink-jet or pigmentation-based color printing. Meanwhile, the versatile color-mapping strategy combining the fast single-step single-substrate fabrication cycle with low-cost scalable operation is still missing. In this paper we present lithography-free direct approach based on local femtosecond-laser ablative reshaping of the gold film with nJ-energy femtosecond laser pulses allowing plasmon-color printing at typical resolution up to 25000 dots per inch, well enough for current visualization demands. By controlling the only experimental parameter – applied pulse energy - various colors in scattering regime at lateral resolution approaching optical diffraction limit, can be reproduced via mixing various nanostructures having polarization- and shape-dependent localized plasmon-mediated scattering and adjusting their spacing to involve collective plasmon resonances. Possibility to tune the brightness of the isolated pixel is discussed. We believe the presented experimental demonstration will inspire and stimulate new efforts directed toward elaboration of pulsed-laser plasmon-color printing strategy for various applications including low-cost cryptography, security tagging and ultracompact optical data storage.

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Stress-induced indirect to direct band gap transition in β-FeSi2 nanocrystals embedded in Si

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AIP Conference Proceedings 2017年第1期1874卷

作者： A. V. Shevlyagin D. L. Goroshko E. A. Chusovitin S. A. Balagan S. A. Dotsenko K. N. Galkin N. G. Galkin T. S. Shamirzaev A. K. Gutakovskii M. Iinuma Y. Terai 1Institute of Automation and Control Processes FEB RAS Radio St. 5 Vladivostok Russia 2Far Eastern Federal University School of Natural Sciences Sukhanova St. 8 Vladivostok Russia 3Rzhanov Institute of Semiconductor Physics SB RAS Lavrentieva Ave.13 Novosibirsk Russia 4Ural Federal University Mira St. 19 Yekaterinburg Russia 5Novosibirsk State University Pirogova St. 2 630090 Novosibirsk Russia 6Department of Computer Science and Electronics Kyushu Institute of Technology Iizuka Fukuoka 820-8502 Japan

Embedded in silicon β-FeSi2 nanocrystals (NCs) were grown on Si(111) by solid phase epitaxy of a thin iron film followed by Si molecular beam epitaxy. After solid phase epitaxy, a mixture of β-FeSi2 and ε-FeSi nanocrystals is formed on the surface, sometimes β and ε phases coexist inside one nanocrystal. During initial stage of Si molecular beam epitaxy all ε-FeSi transforms into β-FeSi2. β-FeSi2 nanocrystals tend to move following Si growth front. By adjusting growth condition, we manage to prevent the nanocrystals from moving and to fabricate 7-layer n-Si(111)/β-FeSi2_NCs/p+-Si silicon heterostructure with embedded β-FeSi2 NCs. An epitaxial relationship and a stress induced in the nanocrystals by silicon matrix were found to be suitable for indirect to direct band gap transition in β-FeSi2. Of the heterostructure, a n-i-p avalanche photodetector and a light-emitting diode were formed. They have shown relatively good performance: ultrabroadband photoresponse from the visible (400 nm) to short-wavelength infrared (1800 nm) ranges owing to quantum-confined Stark effect in the nanocrystals and optical emission power of up to 25 µW at 9 A/cm2 with an external quantum efficiency of 0.009% at room temperature owing to a direct fundamental transition in stressed β-FeSi2 nanocrystals.

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Multistability in simplest models of the population dynamics

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AIP Conference Proceedings 2016年第1期1738卷

作者： Oksana L. Zhdanova Efim Ya. Frisman Laboratory of Mathematical Modeling of Ecological Systems Institute for Automation and Control Processes FEB RAS Radio Str. 5 690041 Vladivostok Russia Far Eastern Federal University Suhanova Str. 8 6909450 Vladivostok Russia Institute of Complex Analysis of Regional Systems FEB RAS Sholom Alejkhema Str. 4 679016 Birobidzhan Russia

The investigation of dynamics behavior of population number and genetic structure has been conducted for a homogeneous limited population influenced by density-dependent selection in single di-allelic genetic locus. The detailed investigation of the mechanisms of the loss of stability in the considered model is carried out. It is shown that coexistence of several different asymptotic dynamic regimes (with own attraction basins) is possible in numerous enough parametric regions which are meaningful biologically.

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Experimental and computational insight into the properties of the lattice-mismatched structures: Monolayers of h-BN and graphene on Ir(111)

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Physical Review B 2012年第15期86卷 155151-155151页

作者： D. Usachov A. Fedorov O. Vilkov V. K. Adamchuk L. V. Yashina L. Bondarenko A. A. Saranin A. Grüneis D. V. Vyalikh St. Petersburg State University 198504 St. Petersburg Russia IFW Dresden P.O. Box 270116 D-01171 Dresden Germany M.V. Lomonosov Moscow State University Leniskie Gory 1/3 199991 Moscow Russia Institute of Automation and Control Processes 5 Radio Street 690041 Vladivostok Russia School of Natural Sciences Far Eastern Federal University 690950 Vladivostok Russia Faculty of Physics Vienna University Strudlhofgasse 4 1090 Wien Austria Institute of Solid State Physics Dresden University of Technology D-01062 Dresden Germany

We report a comparative study of the synthesis and the structural and electronic properties of hexagonal boron nitride (h-BN) and graphene layers grown on the Ir(111) surface. By performing photoemission (PE) experiments time-dependently and supplementing them by low-energy electron diffraction (LEED) data, we demonstrate the differences and similarities of their formation, and we show the temperature regimes which allow these materials to be created with high crystalline quality. It has been demonstrated that synthesis at low temperatures leads to the formation of disordered domains of h-BN as well as graphene flakes on the metallic surface. The LEED patterns of such samples reveal a complex structure which indeed can be easily interpreted by using the model presented here. The angle-resolved PE study of h-BN/Ir(111) demonstrates the presence of replicated electronic states, which are quite similar to those detected and widely discussed for the graphene/Ir(111) system. On the basis of these results and the corresponding model calculations, we argue that the appearance of these replicated bands is mainly caused by the geometrical corrugation of the system.

关键词： Monolayers Electronic properties graphene complex structure Polyethylenes Low energy electron diffraction synthesis

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Influence of CrSi 2 nanocrystals on the electrical properties of Au/Si - p/CrSi 2 NCs/Si(111) - n mesa-diodes

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Physics Procedia 2011年 11卷 35-38页

作者： Nikolay G. Galkin Laszlo Dózsa Evgenii A. Chusovitin Sergey A. Dotsenko Bela Pécz Laszlo Dobos Institute of Automation and Control Processes FEB of RAS 5 Radio Street Vladivostok 690041 Russia Research Institute for Technical Physics and Materials Science of HAS H-1525 Budapest P.O. Box 4. Hungary

Semiconducting CrSi 2 nanocrystals (NCs) with high density (4×1010 cm −2 ) and narrow size distribution were grown by reactive deposition epitaxy (RDE) of 0.6 nm Cr at 550 °C on Si(111)7 × 7 substrate. Based on DRS, AFM and TEM results silicon cap epitaxy growth procedure on silicon with high density of CrSi 2 NCs has been proposed. Monolithic Si(111)/ CrSi 2 NCs/Si(111) structures with three layers of buried CrSi 2 NCs have been successfully grown by repeating of CrSi 2 NCs formation and silicon epitaxial growth. Electrical characterization of Schottky junctions formed on the grown structures has shown that the formation of point defects generated during the growth of the Si cap layer strongly depends on the cap growth conditions and on the Cr deposition rate.

关键词： Chromium disilicide Nanocrystallites Silicon-silicide nanoheterostructures Defects in silicon Electrical properties

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DISTINCTIVE FEATURES OF AIR FLOW THROUGH LARGE-SCALE FLOATING WIND TURBINE

DISTINCTIVE FEATURES OF AIR FLOW THROUGH LARGE-SCALE FLOATIN...

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2007世界太阳能大会：太阳能与人类居住

作者： Victor V.Cheboxarov Valery V.Cheboxarov Yury N.Kulchin Jen-Shiang Kouh Shiu-Wu Chau Yen-Jen Chen Institute for Automation and Control Processes Far Eastern Branch Russian Academy of Science 5 Radio StrVladivostok690041Russia Institute for Automation and Control Processes Far Eastem Branch Russian Academy of Science 5 Radio StrVladivostok690041Russia Dept.of Engineering Science and Ocean Engineering Taiwan University No.1 Roosevelt Rd.Sec 4 Taipei106Taiwan Dept.of Mechanical Engineering Chung Yuan Christian University 200 Chung-Pei Rd Jhongli32023Taiwan Dept.of Multimedia and Game Science Lungwha University of Science and Technology 300 Wan-Shou Rd. Sec.1Kueishan333Taiwan

This paper presents new results in the research and development of recently proposed design of the offshore wind power plant with large-scale floating turbine (WEMU design).The main objective of this study is to investigate the vertical vortex inside the turbine,flow interaction with the turbine due to the pitch caused by waves,and to estimate the additional pitching moment. Numerical experiments for new geometrical model design of rotor are carried out using simulation tools based on a finite volume *** stable vortexes are found between the upper and low rings,which connect the blades along vertical ***, nonlinear equations for the floating rotor equilibrium are solved by an iterative Newton *** floating rotor is proved to have sufficient stability.

关键词： AIR DISTINCTIVE FEATURES OF AIR FLOW THROUGH LARGE-SCALE FLOATING WIND TURBINE

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The trade effects on both genetic variety and dynamic behavior of mendelian limited population

The trade effects on both genetic variety and dynamic behavi...

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2005 International Conference on Physics and control, PhysCon 2005

作者： Frisman, Efim Ya. Zhdanova, Oksana L. Complex Analysis of Regional Problems Institute 4 Sholom-Aleyhem Street Birobidzhan 682200 Russia Institute for Automation and Control Processes 5 Radio Str. Vladivostok 690041 Russia

The consequences of trade with constant quota in the model of density-depended natural selection are considered. It is shown that optimal trade can preserve genetic variety as well as eliminate existing one. © 20... 详细信息

关键词： Genetic engineering

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Description of population dynamics of commercial species allow for nonlinearity of a craft function

Description of population dynamics of commercial species all...

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2005 International Conference on Physics and control, PhysCon 2005

作者： Frisman, E.Ya. Last, E.V. Complex Analysis of Regional Problems Institute 4 Sholom-Aleyhem Street Birobidzhan 682200 Russia Institute for Automation and Control Processes 5 Radio Str. Vladivostok 690041 Russia

The influence of a fishery on number dynamics of natural populations is researched. Is shown, that at small number the intensification of fishery inevitably results in oscillations, including irregular. In stable conditions the increase of exploitation press results in contraction of a stability area and rise of risk of chaotic dynamics. © 2005 IEEE.

关键词： Fisheries

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Problems of regular behaviour and deterministic chaos in mathematical models of Mendelian limited populations 1

Problems of regular behaviour and deterministic chaos in mat...

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1st International Conference Physics and control, PhysCon 2003

作者： Frisman, E.Ya. Kolbina, E.A. Zdanova, O.L. Complex Analysis of Regional Problems Institute 4 Sholom-Aleyhem Street Birobidzhan682200 Russia Laboratory of Mathematical Modeling in Ecology Institute of Automation and Control Processes 5 Radio Str. Vladivostok690041 Russia

ISBN: (纸本)078037939X

We investigate the fitness differences model with Mendelian one-locus di-allele limited population in cases of linear and exponential rules of selection. We present an analytical and numerical investigation of the model. The possibility of population number fluctuations with stable genetic structure was shown. Also found were joint fluctuations of genetic structure and population number. This result contradicts the well-known hypothesis of "genetic control". The stable chaotic attractors with non-integer dimensions were found. It was made the generalization of model for polyallele population with some admissions and its analytical investigation was carried out. © 2003 IEEE.

关键词： Tellurium

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