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We have been focusing on fabricating a photodetector that consists of a diamond cold cathode and an amorphous selenium (a-Se) photoconductor, which is one of the practical applications of a cold cathode. We have previously succeeded in achieving a proto-type photodetector of which a heavily nitrogen (N)-doped diamond was used as the cold cathode, and the results indeed showed a low operation voltage...
The study aims to investigate the energy band diagram of emitting diamond using the electron energy distribution obtained from combined X-ray photoelectron spectroscopy, ultraviolet photoelectron spectroscopy, and field emission spectroscopy. Combination of UPS and FES can determine the origin of electron field emission relative to the electronic structure of diamond. By adding XPS, the origin of...
We have constructed an in situ chamber for polarization dependent total reflection fluorescence EXAFS. Using this chamber we have determined structures and orientations of Pt clusters derived from Pt 4 (CH 3 COO) 8 on an α-Al 2 O 3 (0 0 0 1) single crystal surface under in situ conditions.
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