Cold Cathodes for Electron Spectroscopy

9361179比兹，冷电子发射器技术的发展有可能广泛影响电子光谱学快速增长的领域。商业上可用的仪器，如俄歇能谱，通常使用热离子电子源，通过灯丝加热效应和灯丝上气体的热裂来限制其使用范围。这些仪器也不能在亚秒级上执行时间分辨现象。开发一种能够高频脉冲运行的坚固耐用的冷发射器不仅可以解决这些问题，更重要的是，它将使采用Fas傅立叶变换(FFT)飞行时间测量技术的极高速、高灵敏度电子能谱仪器的构建获得革命性的新发展。在第一阶段，先进技术材料公司(ATM)将确定使用新型钻石结基座发射器制造冷阴极电子源的可行性。冷阴极源将进行评估，并在第二阶段用于建造FFT俄歇能谱仪的原型。在第三阶段，冷阴极电子束枪的商业生产预计将用于各种电子能谱和特高压仪器应用。***

9361179 Beetz The development of cold electron emitter technology has the potential for broadly impacting the rapidly growing area of electron spectroscopy. Commercially available instrumentation such as Auger spectrometers typically employ thermionic electron sources which restrict their scope of use through filament heating effects and thermal cracking of gases on filaments. These instruments are also not capable of performing time resolved phenomena on the sub second level. The development of a robust cold emitter capable of high frequency pulsed operation would not only solve these problems but more importantly, it would enable revolutionary new development in the construction of extremely high speed, high sensitivity electron spectroscopic instrumentation employing Fas Fourier Transform (FFT) time of flight measurement techniques. In Phase I, Advanced Technology Materials, Inc (ATM) will determine the feasibility of fabricating a cold cathode electron source using a novel diamond junction base emitter. The cold cathode source will be evaluated and in Phase II be employed in the construction of a prototype FFT Auger spectrometer. In Phase III commercial production of cold cathode electron beam guns is anticipated for use in a variety of electron spectroscopy and UHV instrumentation applications. ***