1 December 1990 Fabrication of highly oriented polydiacetylene thin films by vacuum deposition process
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Abstract
Polydiacetylenes with attractive electro-optical characteristics are usually insoluble and infusible, so various kinds of fabrication method have been proposed in order to control them into desirable forms such as large single crystal, thin film etc. This paper deals with the successful results on fabrication of highly oriented polydiacetylene thin films by vacuum deposition process in combination with so-called substrate rubbing technique. The third order non-linear optical susceptibilities of thin films thus prepared are as large as around 1010(esu), which indicates the excellent optical quality of thin films comparable to that of polydiacetylene single crystals. The details of fabricating conditions, mechanism of oriented structure formation, properties and characteristics of thin films are presented.
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Kenji Takeda, Kenji Takeda, Tatsuo Hasegawa, Tatsuo Hasegawa, Tatsuro Kanetake, Tatsuro Kanetake, Ken Ishikawa, Ken Ishikawa, Takao Koda, Takao Koda, Yoshinori Tokura, Yoshinori Tokura, } "Fabrication of highly oriented polydiacetylene thin films by vacuum deposition process", Proc. SPIE 1337, Nonlinear Optical Properties of Organic Materials III, (1 December 1990); doi: 10.1117/12.22942; https://doi.org/10.1117/12.22942
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