Photostimulated desorption of OH radicals from amorphous solid water: Evidence for the interaction of visible light with an OH-ice complex

Miyazaki, A.; Watanabe, N.; Sameera, W. M. C.; Nakai, Y.; Tsuge, M.; Hama, T.; Hidaka, H.; Kouchi, A.

Photostimulated desorption of OH radicals from amorphous solid water: Evidence for the interaction of visible light with an OH-ice complex

Miyazaki, A.; Watanabe, N.; Sameera, W. M. C. et al.

Physical Review A, 2020, 102(5), 052822

Permalink : https://hdl.handle.net/2115/80168

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アクセス権	open access
URI	https://hdl.handle.net/2115/80168
タイトル	Photostimulated desorption of OH radicals from amorphous solid water: Evidence for the interaction of visible light with an OH-ice complex
著者	Miyazaki, A. ; Watanabe, N. ; Sameera, W. M. C. ; Nakai, Y. ; Tsuge, M. ; Hama, T. ; Hidaka, H. ; Kouchi, A.
著者名 Miyazaki, A.
e-Rad_Researcher 50271531 著者名 Watanabe, N.
e-Rad_Researcher 90791278 著者名 Sameera, W. M. C.
著者名 Nakai, Y.
著者名 Tsuge, M.
著者名 Hama, T.
著者名 Hidaka, H.
e-Rad_Researcher 60161866 著者名 Kouchi, A.
言語	英語
発行日	2020-11-20
出版者	American Physical Society (APS)
収録物名	Physical Review A
巻(号)	102(5)
ページ	052822
抄録	Using a combination of photostimulated desorption and resonance-enhanced multiphoton ionization techniques, OH radicals photodesorbed from amorphous solid water at low temperatures are detected. It was found that the OH photodesorption can be caused by a one-photon process on the surface even at 532 nm, where both isolated OH and H2O are transparent. Quantum chemical calculations reveal that the electronic excitation of OH dramatically changes depending on the adsorption sites and the number of surrounding H2O molecules, and that OH having three hydrogen bonds with neighboring H2O molecules can absorb photons of around 532 nm, which supports the experimental findings.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	©2020 American Physical Society
PISSN	2469-9926
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevA.102.052822