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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 11, Number 4
BKCSDE 11(4)
April 20, 1990

Title	Low Energy Ion-Surface Reactor
Author	Won Yong Choi, Tae Hee Kang, Heon Kang*
Keywords
Abstract	Ion-surface collision studies at low kinetic energies (1-100 eV) provide a unique opportunity for investigating reactions and collision dynamics at surfaces. A special ion optics system for generating an energy- and mass-selected ion beam of this energy is designed and constructed. An ultrahigh vacuum (UHV) reaction chamber, in which the ions generated from the beamline collide with a solid surface, is equipped with Auger electron spectroscopy (AES) and thermal desorption spectrometry (TDS) as in-situ surface analytical tools. The resulting beam from the system has the following characteristics : ion current of 5-50 nA, energy spread < 2eV, current stability within ±5%, and unit mass resolution below 20 amu. The performance of the instrument is illustrated with data representing the implantation behavior of Ar+ into a graphite (0001) surface.
Page	290 - 296
Full Text	PDF

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