Structure of multialkali antimonide photocathodes studied by X-ray photoelectron spectroscopy
نویسنده
چکیده
From a comparison of the relative intensities of photoelectrons with different escape depths for Na, K, CS, and Sb in several multialkali antimonide photocathodes covering a range of high photosensitivities, a model of the structure of these surfaces can be given. In particular, the results indicate for NazKSb(Cs), the S-20, a surface layer consisting of KzCsSb and NaKzSb-30 8, thick over a base layer of NazKSb.
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تاریخ انتشار 1996