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DISSOCIATIVE SCATTERING OF SIZE-SELECTED$({\rm{C}}_6 {\rm{F}}_6)_n^-$(n=1–5) FROM A SILICON SURFACE

Author

Listed:
  • T. TSUKUDA

    (Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan;
    RIKEN, The Institute of Physical and Chemical Research, Wako, 351–01, Saitama, Japan)

  • H. YASUMATSU

    (Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan;
    RIKEN, The Institute of Physical and Chemical Research, Wako, 351–01, Saitama, Japan)

  • T. SUGAI

    (Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan;
    RIKEN, The Institute of Physical and Chemical Research, Wako, 351–01, Saitama, Japan)

  • A. TERASAKI

    (Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan;
    RIKEN, The Institute of Physical and Chemical Research, Wako, 351–01, Saitama, Japan)

  • T. NAGATA

    (Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan;
    RIKEN, The Institute of Physical and Chemical Research, Wako, 351–01, Saitama, Japan)

  • T. KONDOW

    (Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan;
    RIKEN, The Institute of Physical and Chemical Research, Wako, 351–01, Saitama, Japan)

Abstract

Scattering processes of a size-selected beam of$({\rm{C}}_6 {\rm{F}}_6)_n^-$(n=1–5)from a silicon surface were investigated using a Tandem time-of-flight (TOF) mass spectrometer. Anionic fragments,F−and${\rm{C}}_6 {\rm{F}}_5^-$, are produced in the collision of$({\rm{C}}_6 {\rm{F}}_6)_n^-$at a collision energy in the range of 0–150 eV. The result leads us to conclude that the anionic core of$({\rm{C}}_6 {\rm{F}}_6)_n^-$is electronically excited upon the surface collision and subsequently dissociates into the fragments. The solvent molecules influence dissociation dynamics of the electronically excited anionic core in low-energy collision.

Suggested Citation

  • T. Tsukuda & H. Yasumatsu & T. Sugai & A. Terasaki & T. Nagata & T. Kondow, 1996. "DISSOCIATIVE SCATTERING OF SIZE-SELECTED$({\rm{C}}_6 {\rm{F}}_6)_n^-$(n=1–5) FROM A SILICON SURFACE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 875-879.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96001571
    DOI: 10.1142/S0218625X96001571
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