Achieving High Current Stability of Gated Carbon Nanotube Cold Cathode Electron Source Using IGBT Modulation for X-ray Source Application [PDF]
Nanomaterials, 2022 The cold cathode X-ray source has potential application in the field of radiotherapy, which requires a stable dose. In this study, a gated carbon nanotube cold cathode electron gun with high current stability was developed by using Insulated Gate Bipolar
Yajie Guo +5 more
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Recent Progress on ZnO Nanowires Cold Cathode and Its Applications [PDF]
Nanomaterials, 2021 A cold cathode has many applications in high frequency and high power electronic devices, X-ray source, vacuum microelectronic devices and vacuum nanoelectronic devices.
Yicong Chen +3 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 [PDF]
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 +5 more
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Pixelated Vacuum Flat Panel Detector Using ZnS Photoconductor and ZnO Nanowires Cold Cathode [PDF]
Nanomaterials, 2022 Vacuum flat panel detectors (VFPDs) using cold cathode have important applications in large-area photoelectric detection. Based on the electron-bombardment-induced photoconductivity (EBIPC) mechanism, the photoconductor-type VFPDs achieved high detection
Delin Hu +7 more
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Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application [PDF]
Nanomaterials, 2021 A fully vacuum-sealed addressable flat-panel X-ray source based on ZnO nanowire field emitter arrays (FEAs) was fabricated. The device has a diode structure composed of cathode panel and anode panel.
Chengyun Wang +5 more
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Simulation and Optimization of CNTs Cold Cathode Emission Grid Structure [PDF]
Nanomaterials, 2022 Carbon nanotubes (CNTs) show significant advantages in the development of cold cathode X-ray tubes due to their excellent field emission performance; however, there are still some problems, such as short lifetime and the low emission current of large ...
Yang Zhang +4 more
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Design of a miniaturized terahertz traveling wave tube with embedded single-walled carbon nanotubes cold cathode [PDF]
Scientific ReportsIn this paper, a miniaturized terahertz traveling wave tube (TWT) based on the embedded single-walled carbon nanotubes (SWCNTs) cold cathode electron source is studied. The cold cathode suitable for the terahertz TWT requires stable high emission current
Ruirui Jiang +7 more
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Research Progress in Carbon Nanotube-Based Cold Cathode Electron Guns [PDF]
NanomaterialsField emission (FE) cold-cathodes have some important characteristics, including instant turn-on, room temperature operation, miniaturization, low power consumption, and nonlinearity.
Jiupeng Li, Yu Tu, Dewei Ma, Yun Yang
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Extreme Ultraviolet Lighting Using Carbon Nanotube-Based Cold Cathode Electron Beam [PDF]
Nanomaterials, 2022 Laser-based plasma studies that apply photons to extreme ultraviolet (EUV) generation are actively being conducted, and studies by direct electron irradiation on Sn for EUV lighting have rarely been attempted.
Sung Tae Yoo, Kyu Chang Park
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Fabrication of ZnO Nanowire Cold Cathode Flat-Panel X-ray Source with a Reflective Anode [PDF]
NanomaterialsA novel reflective anode flat-panel X-ray source using ZnO nanowire cold cathode and a metal anode has been developed. Simulation analysis indicated that the reflective anode structure reduces electric field concentration compared to a transmission anode
Chengyun Wang +5 more
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