Attosecond field emission. [PDF]
Nature, 2023 AbstractField emission of electrons underlies great advances in science and technology, ranging from signal processing at ever higher frequencies1 to imaging of the atomic-scale structure of matter2 with picometre resolution. The advancing of electron microscopy techniques to enable the complete visualization of matter on the native spatial (picometre)
Kim HY +5 more
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Investigation of Influencing Factors on the Measurement Signal of a CMOS Image Sensor for Measuring Field Emission Currents [PDF]
SensorsWe use optical CMOS image sensors for spatially and time-resolved measurement of the emission currents of field emission cathodes. The measured signal depends, on the one hand, on the emission current that flows from the cathode surface through the ...
Matthias Hausladen +8 more
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Field Emission Properties of Cu-Filled Vertically Aligned Carbon Nanotubes Grown Directly on Thin Cu Foils [PDF]
NanomaterialsCopper-filled vertically aligned carbon nanotubes (Cu@VACNTs) were grown directly on Cu foil substrates of 0.1 mm thicknesses at different temperatures via plasma-enhanced chemical vapor deposition (PECVD).
Chinaza E. Nwanno +4 more
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Effect of Crystallinity on the Field Emission Characteristics of Carbon Nanotube Grown on W-Co Bimetallic Catalyst [PDF]
NanomaterialsCarbon nanotube (CNT) is an excellent field emission material. However, uniformity and stability are the key issues hampering its device application. In this work, a bimetallic W-Co alloy was adopted as the catalyst of CNT in chemical vapor deposition ...
Qi Yao +8 more
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Correlation between electric parameters of carbon layers and their capacity for field emission
Journal of Telecommunications and Information Technology, 2023 The aim of this work is to study a possibility of field electron emission from carbon layers produced by radio frequency plasma chemical vapor deposition (RF PCVD) method.
Ryszard Gronau +2 more
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Stable Field Emission from Vertically Oriented SiC Nanoarrays
Nanomaterials, 2021 Silicon carbide (SiC) nanostructure is a type of promising field emitter due to high breakdown field strength, high thermal conductivity, low electron affinity, and high electron mobility.
Jianfeng Xiao +9 more
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Multilayer field emitters on a thin metal substrate [PDF]
Известия высших учебных заведений: Прикладная нелинейная динамика, 2020 The purpose of this work is to determine the ability of creating multilayer cathodes from contacted materials with different work functions ef on thin metal substrates, as well as the practical use of such cathodes for the formation of intense sheet and ...
Sominskii, G. G. +1 more
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Optimization of a Field Emission Electron Source Based on Nano-Vacuum Channel Structures
Micromachines, 2022 Recent discoveries in the field of nanoscale vacuum channel (NVC) structures have led to potential on-chip electron sources. However, limited research has reported on the structure or material parameters, and the superiority of a nanoscale vacuum channel
Ji Xu +6 more
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Local Characterization of Field Emission Properties of Graphene Flowers
Advanced Electronic Materials, 2023 An experimental study about field emission properties of commercially available graphene flowers cloth is reported. Material characterization by means of X‐ray diffraction, Raman spectroscopy, and X‐ray photoemission spectroscopy confirms the formation ...
Filippo Giubileo +7 more
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Controllable synthesis of indium oxide nanorod‐flowers for high field emission performance
Micro & Nano Letters, 2023 In this paper, indium oxide (In2O3) nanomaterials are successfully synthesized on the silicon substrates by hydrothermal method and calcination. By changing the ratio of raw materials, In2O3 exhibits three morphologies of nanorods, nanomaces, and nanorod‐
Yuechuan Hu +5 more
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