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Author(s):
N.Matsunami and K.Kitoh
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Title:
High Resolution Spectroscopy of H^+ Energy Loss in Thin Carbon Film
Date of publication:
May 1991
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Key words:
Proton energy loss, New peak, Carbon film, Plasma excitation, High resolution
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Abstract:
The energy loss of ~ l00 keV H^+ transmitted through thin carbon film of ~ 7 nm has been measured with the resolution of sim 20 eV. We have observed new energy loss peaks around 210 and 400 eV in addition to the normal energy loss peak around I keV. We find that the experimental artifacts, ionization of C K-(290 eV) and impurity inner-shells, extreme non-uniformity of films, events associated with elastic scattering are not responsible for these peaks. The origin of these low energy loss peaks will be discussed.
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