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Report No.

Synthesis of ceramic nano fiber from precursor polymer by single particle nano-fabrication technique

Sugimoto, Masaki; Idesaki, Akira; Yoshikawa, Masahito; Watanabe, Shogo*; Seki, Shu*

We have succeeded in synthesizing ceramic nano fibers from precursor polymers using Single Particle Nanofabrication Technique (SPNT). A thin film of the precursor polymer was cross-linked by MeV-order heavy-ion beam irradiation along ion tracks of nano-size in radius through the whole thickness of the thin film. Nano fibers were developed on the surface of the substrate by dissolution and washing away of un-crosslinked polymer. Subsequent pyrolysis converted polymeric into ceramic nano fibers. The radius, length and number density of nano fibers are controlled by liner energy transfer (LET) of ion beam, thickness of polymeric target and number of projected ions, respectively.



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