Photon stimulated desorption
WebMay 12, 2024 · Thus, photon-stimulated desorption of adsorbates is the most likely mechanism responsible for plasma cooling. To further reinforce this plasma-induced evaporative cooling of a metal surface, we ... Web5]; lowering the photon and electron stimulated gas desorption yields [6, 7] was achieved by having a denser layer at the interface [8]. It was also found that the non-activated or CO saturated NEG coating can be activated by synchrotron radiation (SR) or electron bombardment. The selective pumping of NEG coating is a performance
Photon stimulated desorption
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WebMoreover, photon-stimulated desorption studies that make use of synchrotron radiation reveal the fundamental electronic excitations that lead to bond-breaking processes at … WebApr 1, 2024 · This suggests that the "hot" component may be produced by electronically stimulated desorption (e.g., electron-stimulated desorption and/or photon-stimulated If this is the case, a possible "size ...
WebFeb 20, 2024 · Abstract. Photo-stimulated desorption (PSD) is desorption of adsorbed molecules from surfaces induced by photon irradiation. PSD occurs either in thermal or … WebPhoton stimulated desorption PSD studies using synchrotron radiation are providing new insights into fundamental electronic excitation processes at surfaces. Mechanisms for …
WebOct 1, 2024 · The thermal outgassing of NEG coated chamber is negligible, and the photon or electron stimulated desorption significantly decreases. A typical getter coating film … WebWe report photon-stimulated desorption (PSD) of ions by the same core-hole Auger-decay mechanism observed in electron-stimulated desorption (ESD). Ions desorbed by synchrotron radiation were identified by time-of-flight mass spectroscopy. The thresholds for the PSD and ESD of H +, O H +, and F + from Ti O 2 are identical. The PSD excitation ...
WebFeb 1, 1991 · Photon-stimulated desorption (PSD) from electrolytic-abrasively polished stainless steel, copper, and titanium was evaluated using synchrotron radiation (SR) in the …
WebElectron-Stimulated Desorption It has now been almost 30 years since the 1971 review article entitled Electron-Stimulated Desorption as a Tool for Studies of Chemisorption: A … incite to activityWebJan 1, 2024 · In this study, photon-stimulated gas desorption yields from CuCrZr, which are used for manufacturing high-heat-load elements, were measured using a synchrotron light … inbound us covid requirementsWebJun 4, 1998 · In our search for surfaces exhibiting the lowest photon stimulated desorption, we have exposed a 3‐m‐long beam tube to photons from the vacuum ultraviolet ring of … inbound und outboundWebPhoton stimulated ion desorption (PSID) surface EXAFS (SEXAFS) showed early promi se, bei ng successfully appl i ed to the Mo (100) /0 system [1]. The techni que offers a means to determi ne the coordi nati on geometry of a substrate atom to which the des orbed adsorbate ion was bonded. Information inbound unscrambledWebJun 29, 2024 · The strong temperature dependence is attributed to competition between thermal desorption of the primary photoproduct and secondary photochemical steps. The aldehyde, isobutanal, is the primary photoproduct of isobutanol. ... (110) including temperature-programmed desorption of H 2 O and photon-stimulated desorption of O 2; ... inbound url request with crafted stringsWebPhoton-stimulated desorption (PSD) from the walls of electron storage rings and associated beamlines imposes serious limits on their beam quality and beam lifetimes. Stainless … incite to action daily themedWebSoft laser desorption; Solar-pumped laser; Solar sail; Solid-state laser; Solid-state dye laser; Soviet laser pistol; Space-based solar power; Space debris; Spaser, Surface plasmon amplification by stimulated emission of radiation; Spatial filter; Spatial light modulator; Spatially Encoded Arrangement for SPIDER; Speckle pattern; Spectral hole ... inbound usa insurance review