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at room temperatureYoshigoe, Akitaka; Teraoka, Yuden
Japanese Journal of Applied Physics, Part 1, 42(9A), p.5749 - 5750, 2003/09
Times Cited Count：2 Percentile：10.31(Physics, Applied)We investigated oxidation reactions induced by the translational kinetic energy of O on an Si(001) surface treated with aqueous hydrofluoric acid (HF) solution by combining synchrotron radiation photoemission spectroscopy with supersonic molecular beam techniques. The oxidation reactions at room temperature did not progress following up to approximately 3600 L exposure of O with incident energy of 0.04 eV. On the other hand, the oxidation states up to the Si
species including the Si
, Si
and Si
species were formed when the incident energy was 3.0 eV. The thickness of oxidized layers was estimated to be 0.26 nm at the final oxidation stages. Thus, we concluded that the Si atoms at the top layers were oxidized by the translational kinetic energy of 3.0 eV.
; ; ; Machi, Sueo
Journal of Polymer Science; Polymer Chemistry Edition, 17(1), p.129 - 138, 1979/00
no abstracts in English
Sasaki, Yuji; Matsumiya, Masahiko*; Kaneko, Masashi; Kumagai, Yuta
no journal, ,
The metal-anions formed in acidic solutions can be extracted using extractants having amino N donor, which is protonated and formed to cationic extarctant there. However, there is few systematic results using this ion-pair extraction, and the extraction behavior needs more information. Therefore, we conduct experiments using different aqueous and organic phases. The disuribution ratios of Pd, Zr, Hf, Nb, Ta are over 100, and Ru, Rh, Nb, and Ta, those are considered to be hard to extract, can be extracted using this method.
