Photon Stimulated Desorption from Finely Polished Metals Irradiated with Synchrotron Radiation

概要

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Photo-stimulated desorption (PSD) from electrolytic-abrasively polished stainless steel, copper, and titanium was evaluated using synchrotron radiation (SR) in the spectral range of 1-7 A. Typical desorption yield of the finely polished samples, measured with the throughput method, ranges from 2×10^<-4> to 5×10^<-4> molecules/photon with desorption species of H_2, CO and CO_2. The difference in yields among the materials was quite small after considerable irradiation. We also found that the yields of electrolytically and electrolytic-abrasively polished stainless steel are almost the same, except for in the initial period of irradiation. This similarity was consistent with the result of surface inspection with XPS.
社団法人応用物理学会の論文
1991-02-15