Photon emitters are becoming increasingly important due to their ability to generate high
brightness, low emittance, and spatiotemporally coherent electron bunches for multiple …

Recent studies have extended the classical space-charge limited current (SCLC) solution in
a non-magnetic, planar diode with zero injection velocity to other geometries using …

All theories coupling electron emission theories ultimately approach the space-charge-
limited current (SCLC) in vacuum, given by the Child–Langmuir (CL) law, for sufficiently high …

Single phase, polycrystalline perovskite oxide SrVO3, with its intrinsic low effective work
function and facile synthesis process, is a promising thermionic electron emitter cathode …

The reduction of graphene oxide (GO), which was made via an electrochemical exfoliation,
subjected to heat treatment, which resulted in the production of graphene thin films having a …

THz wave has various applications in human life, and many researchers are interested in
related technologies specially designing reliable THz source. Vacuum electronic devices …

Cathode electron field emitters are widely used in high-power and high-frequency vacuum
electron devices. The development of novel technique to fabricate the emitters with high …

This article designed a Ka-band traveling wave tube (TWT) with the single wall carbon
nanotubes (SWCNTs) field emission cathode electron gun. The designed cold-cathode TWT …

In this article, co-precipitation was combined with a high-temperature solid-state reaction to
realize strontium (Sr) doping of the emission-active materials (Ba–Sr–Sc–Ca–Al–O) of …

Field emission cathodes are promising candidates in nanoscale vacuum channel transistors
and are used in microwave vacuum electron devices. Prior research has shown that UV light …