Results 1 to 10 of about 314 (212)
Virtual cathode emission of an annular cold cathode [PDF]
Recent measurement of voltage V and current I of the electron gun of a relativistic klystron amplifier revealed that the resulting current-voltage relationship appeared to differ from the usual Child-Langmuir law (I∝V^{3/2}) especially during the initial
S.-d. Park +7 more
doaj +3 more sources
Parametrically Optimized Carbon Nanotube-Coated Cold Cathode Spindt Arrays
Here, we investigate, through parametrically optimized macroscale simulations, the field electron emission from arrays of carbon nanotube (CNT)-coated Spindts towards the development of an emerging class of novel vacuum electron devices.
Xuesong Yuan +5 more
doaj +3 more sources
Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode
Amorphous-selenium (a-Se) based photodetectors are promising candidates for imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication.
Tatsuo Shimosawa +14 more
doaj +3 more sources
Development of a Cold Cathode Electron Source Based on Gold Cathode MCP [PDF]
In this study, cold cathode electron sources using deep-UV photons to excite gold cathode and microchannel plate (MCP) were employed to configure a high-quality electron impact ion source (EI) in a mass spectrometry.
YAO Wen-jing1 +6 more
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Recent Progress on ZnO Nanowires Cold Cathode and Its Applications
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
doaj +1 more source
Numerical Simulation of the Cold-Start Process of Polymer Electrolyte Fuel Cell
In this study, the cold-start process of a polymer electrolyte fuel cell has been numerically investigated under various ambient temperatures and operating currents, ranging from subzero to 283 K.
Yazhou Chen +4 more
doaj +1 more source
A trigger vacuum switch that works for a long time is subject to the stable emission of initial electrons. Cold cathode materials such as velvet and carbon fiber have the characteristics of large emission electron area, uniformity, and stability. In this
Jilu Xia +4 more
doaj +1 more source
Pixelated Vacuum Flat Panel Detector Using ZnS Photoconductor and ZnO Nanowires Cold Cathode
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
doaj +1 more source

