Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880401
T. Domanskaya, V. Malkov, Yulia Malkova
The singular plane problems of nonlinear elasticity (plane strain) are considered for bi-material infinite plane of John’s harmonic material. Using model of harmonic material has allowed to apply the theory of complex potentials and to obtain exact analytical global solutions of nonlinear problems. Among them it is problem of bi-material plate with the stresses and strains jumps on the interface. As an application of the problem of jumps, the problem of concentrated force on an interface boundary of two half-planes and the problem of interface crack. Mechanical properties of half-planes are described by the model of John’s harmonic material. Application of this model has allowed to use the methods of a complex functions theory and to obtain exact analytical solution of problems. The values of nominal stresses and displacements are founded. The asymptotic expansions based on the global solutions are constructed for stresses and displacements in a vicinity of a point force and in a vicinity of crack tip. As an example the case of a free crack in plate subjected to constant stresses at infinity is studied.
{"title":"Singular problems for bi-material plane of John's harmonic material","authors":"T. Domanskaya, V. Malkov, Yulia Malkova","doi":"10.1109/VMNEYR.2016.7880401","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880401","url":null,"abstract":"The singular plane problems of nonlinear elasticity (plane strain) are considered for bi-material infinite plane of John’s harmonic material. Using model of harmonic material has allowed to apply the theory of complex potentials and to obtain exact analytical global solutions of nonlinear problems. Among them it is problem of bi-material plate with the stresses and strains jumps on the interface. As an application of the problem of jumps, the problem of concentrated force on an interface boundary of two half-planes and the problem of interface crack. Mechanical properties of half-planes are described by the model of John’s harmonic material. Application of this model has allowed to use the methods of a complex functions theory and to obtain exact analytical solution of problems. The values of nominal stresses and displacements are founded. The asymptotic expansions based on the global solutions are constructed for stresses and displacements in a vicinity of a point force and in a vicinity of crack tip. As an example the case of a free crack in plate subjected to constant stresses at infinity is studied.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115210509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880415
V. Sorokina, K. Nikiforov
We study the field emission current density of carbon nanotubes and silicon carbide nanotube using first-principles methods. The simulation and analysis of the field emission are carried out based on density-functional theory using a hybrid functional B3LYP and 6-31g basis set for initial approximation. The structures considered are the ideally open (3, 0), (3, 3), (5, 5) nanotubes. Ideal models have been optimized in terms of the total energy, forming closed or deformed structures. Calculated field emission properties of individual nanotubes are compared.
{"title":"Simulation of field electron emission of C and SiC nanotubes","authors":"V. Sorokina, K. Nikiforov","doi":"10.1109/VMNEYR.2016.7880415","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880415","url":null,"abstract":"We study the field emission current density of carbon nanotubes and silicon carbide nanotube using first-principles methods. The simulation and analysis of the field emission are carried out based on density-functional theory using a hybrid functional B3LYP and 6-31g basis set for initial approximation. The structures considered are the ideally open (3, 0), (3, 3), (5, 5) nanotubes. Ideal models have been optimized in terms of the total energy, forming closed or deformed structures. Calculated field emission properties of individual nanotubes are compared.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134525782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880397
Jiji Abraham, M. Arif, Sabu Thomas
Graphene is a new emerging nanocarbon material, with exciting unique properties including superb thermal and electrical conductivity, strong mechanical and anti-corrosive property, extremely high surface area etc. It can be considered as new generation reinforcement material for polymer composites due to its cheap production cost comparison with carbon nanotube, ease of functionalization and dramatic improvements in properties at very low filler content, high specific surface area, good compatibility, low mass density, elegant flexibility. This review presents an overview of surface functionalised graphene/polymer nanocomposites discussing different strategies for functionalization of graphene, a series of effective processing routes for producing high quality polymer nanocomposites and recent developments in the electrical properties of functionalised grapheme polymer nanocomposites. Finally, this review provides an overview of potential applications of the graphene based polymer nanocomposites in various areas, such as sensors, electrodes, energy storage, EMI and ESD materials.
{"title":"A comprehensive study of surface modified graphene based polymer nanocomposites for multifunctional electronic applications","authors":"Jiji Abraham, M. Arif, Sabu Thomas","doi":"10.1109/VMNEYR.2016.7880397","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880397","url":null,"abstract":"Graphene is a new emerging nanocarbon material, with exciting unique properties including superb thermal and electrical conductivity, strong mechanical and anti-corrosive property, extremely high surface area etc. It can be considered as new generation reinforcement material for polymer composites due to its cheap production cost comparison with carbon nanotube, ease of functionalization and dramatic improvements in properties at very low filler content, high specific surface area, good compatibility, low mass density, elegant flexibility. This review presents an overview of surface functionalised graphene/polymer nanocomposites discussing different strategies for functionalization of graphene, a series of effective processing routes for producing high quality polymer nanocomposites and recent developments in the electrical properties of functionalised grapheme polymer nanocomposites. Finally, this review provides an overview of potential applications of the graphene based polymer nanocomposites in various areas, such as sensors, electrodes, energy storage, EMI and ESD materials.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131838090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880416
A. V. Starikova, E. Vinogradova
In this paper the mathematical modeling of the electrostatic octupole lens is presented. The octupole lens consist of eight electrodes of the same shape. Each of these electrodes is a part of the circular cylinder of an infinite length. To solve the boundary-value problem for the Laplace equation the variable separation method is used in plane polar coordinates.
{"title":"The electrostatic octupole lens mathematical modeling","authors":"A. V. Starikova, E. Vinogradova","doi":"10.1109/VMNEYR.2016.7880416","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880416","url":null,"abstract":"In this paper the mathematical modeling of the electrostatic octupole lens is presented. The octupole lens consist of eight electrodes of the same shape. Each of these electrodes is a part of the circular cylinder of an infinite length. To solve the boundary-value problem for the Laplace equation the variable separation method is used in plane polar coordinates.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127973365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880402
G. Doronin, E. Vinogradova
This article is devoted to the field emitter of the arbitrary shape mathematical modeling. The axially symmetrical diode system with a field cathode on a plane substrate and a plane anode is under investigation. The effect of the field emitter is simulated using the charged circular lines to solve the boundaryvalue problem so that the zero electrostatic equipotential coincided with the cathode surface. The potentialal distribution as the Fourier-Bessel series is found an analytical form in the cylindrical coordinates.
{"title":"The arbitrarily shaped field emitter mathematical modeling","authors":"G. Doronin, E. Vinogradova","doi":"10.1109/VMNEYR.2016.7880402","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880402","url":null,"abstract":"This article is devoted to the field emitter of the arbitrary shape mathematical modeling. The axially symmetrical diode system with a field cathode on a plane substrate and a plane anode is under investigation. The effect of the field emitter is simulated using the charged circular lines to solve the boundaryvalue problem so that the zero electrostatic equipotential coincided with the cathode surface. The potentialal distribution as the Fourier-Bessel series is found an analytical form in the cylindrical coordinates.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122771665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880400
A. Y. Antonov, Ya. I. Rusina
The aim of this research is to study behavior of numerical methods for solving one-dimensional stationary Schr¨odinger equation. Two testing tasks are taken for example: the probability tunneling of the square potential barrier and “hyperbolic” potential barrier. The precision and speed of various methods were evaluated.
{"title":"The behavior of some numerical methods in the problem of the tunnel effect with explosive potential","authors":"A. Y. Antonov, Ya. I. Rusina","doi":"10.1109/VMNEYR.2016.7880400","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880400","url":null,"abstract":"The aim of this research is to study behavior of numerical methods for solving one-dimensional stationary Schr¨odinger equation. Two testing tasks are taken for example: the probability tunneling of the square potential barrier and “hyperbolic” potential barrier. The precision and speed of various methods were evaluated.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129098502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880411
T. A. Maslova, E. Vinogradova
In this paper the mathematical modeling of the diode field emission system on the basis of field emitter as a semi-ellipsoid on a flat-surface substrate is considered. The anode is a semi-ellipsoidal surface. The internal area of the system is contained with two layers of different dielectrics. The boundaryvalue problem for the Laplace’s equation in the prolate spheroidal coordinates is solved to found electrostatic field. The electrostatic potential distribution in analytical form is calculated with the method of separation of variables as the Legendre polynomials expansion.
{"title":"Diode system on the basis of field emitter with semi-ellipsoid shape mathematical modeling","authors":"T. A. Maslova, E. Vinogradova","doi":"10.1109/VMNEYR.2016.7880411","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880411","url":null,"abstract":"In this paper the mathematical modeling of the diode field emission system on the basis of field emitter as a semi-ellipsoid on a flat-surface substrate is considered. The anode is a semi-ellipsoidal surface. The internal area of the system is contained with two layers of different dielectrics. The boundaryvalue problem for the Laplace’s equation in the prolate spheroidal coordinates is solved to found electrostatic field. The electrostatic potential distribution in analytical form is calculated with the method of separation of variables as the Legendre polynomials expansion.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132869964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880404
G. Fursey
This invited talk is devoted to the discovery of the explosive electron emission, the recognition of which already dates back 50 years. We outline the history of discovery, principal characteristics of the explosion emission, and various possible applications of this effect. We also describe the first experimental results on the excitation of a fundamentally new kind of the electric field-driven high current emission from carbon nanoclusters. The explosive emission effect allowed to design a novel class of the portable X-ray equipment. The most recent information about construction of such devices is also discussed.
{"title":"Intensive emission processes in the high and ultrahigh electric fields","authors":"G. Fursey","doi":"10.1109/VMNEYR.2016.7880404","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880404","url":null,"abstract":"This invited talk is devoted to the discovery of the explosive electron emission, the recognition of which already dates back 50 years. We outline the history of discovery, principal characteristics of the explosion emission, and various possible applications of this effect. We also describe the first experimental results on the excitation of a fundamentally new kind of the electric field-driven high current emission from carbon nanoclusters. The explosive emission effect allowed to design a novel class of the portable X-ray equipment. The most recent information about construction of such devices is also discussed.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134233418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880403
R. Forbes
This conference paper provides an overview of the material presented in two field electron emission tutorial lectures given at the 2016 Young Researcher's School in Vacuum Micro- and Nano- Electronics, held in Saint-Petersburg in October 2016. The powerpoint presentations themselves [1, 2] will be mounted on ResearchGate. This paper aims to indicate the scope and structure of the tutorials, and also where some of the related published material can be found.
{"title":"Field electron emission theory (October 2016)","authors":"R. Forbes","doi":"10.1109/VMNEYR.2016.7880403","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880403","url":null,"abstract":"This conference paper provides an overview of the material presented in two field electron emission tutorial lectures given at the 2016 Young Researcher's School in Vacuum Micro- and Nano- Electronics, held in Saint-Petersburg in October 2016. The powerpoint presentations themselves [1, 2] will be mounted on ResearchGate. This paper aims to indicate the scope and structure of the tutorials, and also where some of the related published material can be found.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128163871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-01DOI: 10.1109/VMNEYR.2016.7880408
A. Lukina, A. Prasolov
Economic managers make goal-seeking decisions under the combination of circumstances. In this paper we put the emphasis on the managers working environment. Distinguishing features of high-end technologies management are considered. Mathematical techniques which can be applied to a decision making process are briefly described.
{"title":"High-end technologies management","authors":"A. Lukina, A. Prasolov","doi":"10.1109/VMNEYR.2016.7880408","DOIUrl":"https://doi.org/10.1109/VMNEYR.2016.7880408","url":null,"abstract":"Economic managers make goal-seeking decisions under the combination of circumstances. In this paper we put the emphasis on the managers working environment. Distinguishing features of high-end technologies management are considered. Mathematical techniques which can be applied to a decision making process are briefly described.","PeriodicalId":407958,"journal":{"name":"2016 Young Researchers in Vacuum Micro/Nano Electronics (VMNE-YR)","volume":"44 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124388753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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