摘要
本文对浸渍钪酸盐钡钨阴极在强流脉冲电子束(电子能量为2300eV,电流密度为12A/cm^2)轰击下的次级发射特性作了一些初步研究。
Secondary emission properties of impregnated barium scandate dispenser cathode has been studied under the bombardment of pulse powerful electron beam (electron energy-2300eV and electronic density-10A/cm2).
关键词
热阴极
次级发射特性
钡钨阴极
Thermionic cathode
Impregnated barium scandate Ba-W cathode
Secondary emission property
