Graphitization behavior of the implanted furan-resin-derived carbon |
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| Authors: | Yoshikazu Teranishi Yasuhiro Tanabe Tomohiro Kobayashi Kazumasa Nakamura Manabu Fukushima Masanori Ishizuka Atushi Mitsuo Takahiko Uematsu Nakamura Isao Kenichi Shimizu Eiichi Yasuda |
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| Affiliation: | 1. Tokyo Metropolitan Industrial Technology Research Institute (TIRI), Nishigaoka 3-13-10, Kitaku, Tokyo 115-8586, Japan;2. Nagoya University, Nagoya, Japan;3. The Inst. of Phys. and Chem. Res. (RIKEN), Saitama, Japan;4. Chuo University, Tokyo, Japan;5. National Institute of Advanced Industrial Science and Technology (AIST), Nagoya, Japan;6. Tokyo Institute of Technology, Tokyo, Japan |
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| Abstract: | Ar or Xe ions were implanted into the fractured-faces or surfaces of as-carbonized glass-like carbon (GC) specimens for modification of the structure of them. Microstructural changes were examined by Raman spectroscopy, by scanning tunneling microscope (STM) and by transmission electron microscopy (TEM). It was found that the as-carbonized surfaces and fractured-faces of the specimens were changed to an amorphous structure by ion implantation. Implanted as-carbonized surfaces of specimens were restored nearly pristine structures after re-heat-treatment at 3000 °C. On the other hand, implanted fractured-faces of specimens resulted in well-developed structures after re-heat-treatment at 3000 °C. After re-heat-treatment at 3000 °C, the degree of graphitization on the implanted fractured-faces was higher than that on the pristine fractured-faces. It can be concluded that mobility of carbon atoms, or free face, seemed to play an important role on surface graphitization. |
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