Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Anatoly G. Kolosko"'
Autor:
Maksim A. Chumak, Alexander V. Shchegolkov, Eugeni O. Popov, Sergey V. Filippov, Anatoly G. Kolosko, Aleksei V. Shchegolkov, Arif A. Babaev
Publikováno v:
Nanomaterials, Vol 14, Iss 9, p 763 (2024)
This article presents, for the first time, a comparative analysis of the emission characteristics of large-area field-effect cathodes (LAFE) based on carbon nanotubes (CNTs) of various morphologies according to key parameters using a unique computeri
Externí odkaz:
https://doaj.org/article/dfe0fab0d5ed4054a81fffcd617ca912
Publikováno v:
Royal Society Open Science, Vol 9, Iss 11 (2022)
This paper provides a demonstration-of-concept of a new methodology for comparing field electron emission (FE) theory and experiment. It uses the parameter κ in the mathematical equation Im = CVmκ exp[–B/Vm] (where B and C are weakly varying or c
Externí odkaz:
https://doaj.org/article/999ac6848cc54a34a0aeaa1c416f8f58
Autor:
Maksim A. Chumak, Leonid A. Filatov, Ilya S. Ezhov, Anatoly G. Kolosko, Sergey V. Filippov, Eugeni O. Popov, Maxim Yu. Maximov
Publikováno v:
Nanomaterials, Vol 12, Iss 19, p 3463 (2022)
The paper presents a study of a large-area field emitter based on a composite of vertically aligned carbon nanotubes covered with a continuous and conformal layer of nickel oxide by the atomic layer deposition method. The arrays of carbon nanotubes w
Externí odkaz:
https://doaj.org/article/4581d784cef14c9fb712df5d685bb04d
Publikováno v:
Journal of Vacuum Science & Technology B. 41:032801
The mechanism of vacuum discharge of a multitip field cathode based on carbon nanotubes has been studied. The analysis was carried out using a multichannel field emission information collection system, a computerized field projector, and a program fo
Publikováno v:
Journal of Vacuum Science & Technology B. 41:012801
The work addresses the question of the field-dependence of the notional emission area for a field-emitter tip using computer simulation and experimental data. Based on finite-element method calculations, it was determined that for single field emitte
Autor:
Sergey V. Filippov, Fernando F. Dall’Agnol, Eugeni O. Popov, Anatoly G. Kolosko, Thiago A. de Assis
Publikováno v:
Journal of Vacuum Science & Technology B. 41:010601
In field electron emission from pointed structures in a cluster or in an array, electrostatic depolarization due to neighboring emitters diminishes the local field enhancement factor (FEF). This effect can limit the maximum macroscopic emission curre
Autor:
Sergey V, Filippov, Fernando F, Dall'Agnol, Thiago A, de Assis, Eugeni O, Popov, Anatoly G, Kolosko
Publikováno v:
Ultramicroscopy. 233:113462
Blade-Like Field Emitters (BFE), as defined here, are emitters expanded in one direction, forming a sharp emitting edge instead of a sharp tip. These structures have four main advantages compared to their needle counterparts, i.e., they are mechanica
Publikováno v:
Journal of Vacuum Science & Technology B. 40:024201
A study of single-tip tungsten emitters with the construction of current–voltage dependences in quadratic Fowler–Nordheim coordinates and modified coordinates (Murphy–Good plot that depend on the value of the work function) in real-time has bee
Publikováno v:
Journal of Vacuum Science & Technology B. 40:024002
We report peculiar emission behavior of large-area cathode based on a multiwalled carbon nanotube/polymer nanocomposite. Mass spectra and kinetics of the partial pressure of the main volatile products released from the surface of the electrodes were