Results 21 to 30 of about 430,041 (313)

The Parameters of the Field Emission Model and the Fabrication of Zinc Oxide Nanorod Arrays/Graphene Film

Frontiers in Physics, 2021
A large-scale growth of zinc oxide (ZnO) nanorod arrays on graphene sheets was fabricated by a hydrothermal technique, and the Fowler–Nordheim theory was used to build a model to describe the properties of the arrays’ field emission.
JianJun Yang, ShuangShuang Shao, ShuangShuang Shao, YaXin Li, YaXin Li, YueHui Wang, Chi Feng   +6 more
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Aluminum Nitride Ultraviolet Light-Emitting Device Excited via Carbon Nanotube Field-Emission Electron Beam

Nanomaterials, 2023
With the progress of wide bandgap semiconductors, compact solid-state light-emitting devices for the ultraviolet wavelength region are of considerable technological interest as alternatives to conventional ultraviolet lamps in recent years.
Yangcheng Yu, Dong Han, Haiyuan Wei, Ziying Tang, Lei Luo, Tianzeng Hong, Yan Shen, Huying Zheng, Yaqi Wang, Runchen Wang, Hai Zhu, Shaozhi Deng   +11 more
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Subtractive Low-Temperature Preparation Route for Porous SiO₂ Used for the Catalyst-Assisted Growth of ZnO Field Emitters

Nanomaterials, 2021
The possibility to gradually increase the porosity of thin films facilitates a variety of applications, such as anti-reflective coatings, diffusion membranes, and the herein investigated tailored nanostructuring of a substrate for subsequent self ...
Stefanie Haugg, Carina Hedrich, Robert H. Blick, Robert Zierold   +3 more
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Low-field emission of electrons by thin metal films: effect of composition, deposition conditions and morphology on emission capability of a film

St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2021
The paper presents experimental study of the phenomenon of low-threshold field electron emission from thin films of several metals: Mo, W, Zr, Ni and Ti.
Bizyaev Ivan, Gabdullin Pavel, Gnuchev Nikolay, Arkhipov Alexander   +3 more
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Miniaturized Wide-Range Field-Emission Vacuum Gauge

Nanomaterials and Nanotechnology, 2014
Miniaturized vacuum gauges (MVGs) for the measurement range 5.7x10-7 to 1.1x10-2 mbar were fabricated in a selfaligned approach using focused ion beam (FIB) nanomachining and reactive ion etching (RIE).
Amra Avdić, Anna Maria Lausch, Emmerich Bertagnolli, Alois Lugstein   +3 more
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Air Pressure, Gas Exposure and Electron Beam Irradiation of 2D Transition Metal Dichalcogenides

Applied Sciences, 2020
In this study, we investigate the electrical transport properties of back-gated field-effect transistors in which the channel is realized with two-dimensional transition metal dichalcogenide nanosheets, namely palladium diselenide (PdSe2) and molybdenum ...
Antonio Di Bartolomeo, Aniello Pelella, Alessandro Grillo, Francesca Urban, Filippo Giubileo   +4 more
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Field Emission from the Perspective Cathodes on the Nanostructured SiC base: a New Approach for the Field Enhancement Coefficient Consideration

Фізика і хімія твердого тіла, 2022
A new comprehensive theory for the field emission from the nanostructured semiconducting SiC was built with allowance for specially worked out analytical model of the field enhancement coefficient for the case of comparatively “smooth” protrusions ...
А.М. Gariachko, D.О. Korzh, D.V. Slobodianiuk, M.V. Strikha   +3 more
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Carbon Nanotube Field Emitters Synthesized on Metal Alloy Substrate by PECVD for Customized Compact Field Emission Devices to Be Used in X-Ray Source Applications

Nanomaterials, 2018
In this study, a simple, efficient, and economical process is reported for the direct synthesis of carbon nanotube (CNT) field emitters on metal alloy. Given that CNT field emitters can be customized with ease for compact and cold field emission devices,
Sangjun Park, Amar Prasad Gupta, Seung Jun Yeo, Jaeik Jung, Sang Hyun Paik, Mallory Mativenga, Seung Hoon Kim, Ji Hoon Shin, Jeung Sun Ahn, Jehwang Ryu   +9 more
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Investigation of the Effect of Structural Properties of a Vertically Standing CNT Cold Cathode on Electron Beam Brightness and Resolution of Secondary Electron Images

Nanomaterials, 2021
Carbon nanotube (CNT)-based cold cathodes are promising sources of field emission electrons for advanced electron devices, particularly for ultra-high-resolution imaging systems, due to their high brightness and low energy spread.
Ha Rim Lee, Da Woon Kim, Alfi Rodiansyah, Boklae Cho, Joonwon Lim, Kyu Chang Park   +5 more
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Field Emission from Carbon Nanostructures

Applied Sciences, 2018
Field emission electron sources in vacuum electronics are largely considered to achieve faster response, higher efficiency and lower energy consumption in comparison with conventional thermionic emitters.
Filippo Giubileo, Antonio Di Bartolomeo, Laura Iemmo, Giuseppe Luongo, Francesca Urban   +4 more
doaj   +1 more source