X-ray C K-emission band spectra of graphite fluoride |
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Authors: | Muneyuki Motoyama Tsuyoshi Nakajima Nobuatsu Watanabe |
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Institution: | epartment of Industrial Chemistry, Faculty of Engineering, Kyoto University, Yoshida, Sakyo,ku, Kyoto, Japan |
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Abstract: | X-ray C K-emission band spectra of graphite fluoride were measured for the first time by the use of the electron beam excitation. The problem of first importance in obtaining X-ray spectra was the decomposition of graphite fluoride induced by electron beams. The decomposition of the samples during the measurements was controlled by moving the samples at a constant rate. The spectra thus measured showed strong high energy satellite bands. Peak positions of these satellites were 5 eV and 8 eV higher relative to that of the main band. Each satellite was considered to be attributable to the CF and CF2 bonding, respectively. A similar spectrum was obtained from graphite fluoride, (C2F)n. Owing to the zig-zag form of the C-C bond, the polarization of the C K-emission bands of well-ordered flaky graphite fluorides was not observed distinctly. |
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