Ovservation of Desorbed Water Cluster Ions Induced by Electronic Transitions from Adsorbed Water on Solid Rare Gases

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  • 水が吸着した希ガス固体表面から電子遷移誘起脱離する水クラスターイオンの観測
  • ミズ ガ キュウチャク シタ キガス コタイ ヒョウメン カラ デンシ センイ ユウキ ダツリ スル ミズ クラスターイオン ノ カンソク

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Abstract

We have studied electron stimulated desorption (ESD) and photon stimulated desorption (PSD) of positive ions from water absorbed on a surface of solid rare gases. In TOF spectrum, a series of ionized clusters are observed, which were thought to be protonated water clusters, (H2O) nH+. In both PSD experiments of H2O/Ar, the desorption threshold of (H2O) nH+ was found to be coincide to 2p core ionization of Ar.

Journal

  • Shinku

    Shinku 46 (3), 257-260, 2003

    The Vacuum Society of Japan

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