...和六硼化铈（CeBix®）灯丝两种；场发射电子枪有两种:冷场发射式(cold field emission , FE)，热场发射式(thermal field emission ,TF)，过渡金属元素常作为场发射材料，而难熔金属往往作为冷场发射源。
基于20个网页-相关网页
Field emission stability and life time of CNT cathode is closely related with the vacuum level, thermal effects during the emission and the current transport capability.
影响碳纳米管阴极场发射稳定性和寿命的主要因素有真空度、场发射过程中的热效应以及场发射体对场发射电流的承载能力等。
With the merits of high hardness, high thermal conduction, negative electron affinity, diamond is deemed one of the preferred materials of the field emission cathode.
金刚石因具有高硬度、高热导率、负电子亲和势等优点而成为场发射阴极的首选材料之一。
应用推荐