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Temperature-Dependent Field Emission and Breakdown Measurements Using a Pulsed High-Voltage Cryosystem
Physical Review Applied ( IF 4.6 ) Pub Date : 2020-12-30 , DOI: 10.1103/physrevapplied.14.061002
Marek Jacewicz , Johan Eriksson , Roger Ruber , Sergio Calatroni , Iaroslava Profatilova , Walter Wuensch

A variable-temperature pulsed high-voltage system has been constructed and a series of high-field measurements on copper electrodes have been carried out. The measurements are made at ambient to cryogenic temperatures and include conditioning, breakdown threshold, and field emission. A significant, up to 50%, increase in the breakdown threshold and remarkable stability of field emission are observed when cooled to cryogenic temperatures compared to room temperature. These results provide important experimental input for the development of quantitative theories and models of high-field processes as well as practical input for cryogenic radio-frequency systems.

中文翻译:

使用脉冲高压低温系统的温度相关场发射和击穿测量

已构建了可变温度脉冲高压系统,并已在铜电极上进行了一系列高场测量。测量是在环境温度至低温温度下进行的,包括调节,击穿阈值和场发射。与室温相比,冷却到低温温度时,击穿阈值显着提高了多达50%,并且场发射具有显着的稳定性。这些结果为开发高场过程的定量理论和模型提供了重要的实验输入,并为低温射频系统提供了实用的输入。
更新日期:2020-12-30
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