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PTCDA Films Deposited by Ionized Beam Method

Published online by Cambridge University Press:  22 February 2011

Hiroaki Usui ,
Kiyoshi Kashihara ,
Kuniaki Tanaka  and
Seizo Miyata
Hiroaki Usui
Affiliation:
Department of Material Systems Engineering, Tokyo University of Agriculture and Technology, Nakamachi, Koganei, Tokyo 184, Japan
Kiyoshi Kashihara
Affiliation:
Department of Material Systems Engineering, Tokyo University of Agriculture and Technology, Nakamachi, Koganei, Tokyo 184, Japan
Kuniaki Tanaka
Affiliation:
Department of Material Systems Engineering, Tokyo University of Agriculture and Technology, Nakamachi, Koganei, Tokyo 184, Japan
Seizo Miyata
Affiliation:
Department of Material Systems Engineering, Tokyo University of Agriculture and Technology, Nakamachi, Koganei, Tokyo 184, Japan
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Abstract

Thin films of 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) were deposited by an ionized beam method. The molecular orientation and chemical structure of the films were studied in connection with ionization and ion acceleration conditions. At a low ionization condition, the molecules are oriented in parallel with the substrate, and the crystallinity was improved by an appropriate ion acceleration. At higher ionization conditions, on the other hand, ion acceleration resulted in a loss of crystallinity. Deposited molecules undergo chemical change in such a condition, leading to dissociation of dianhydride groups.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 316: Symposium A – Materials Synthesis and Processing Using Ion Beams , 1993 , 935
Copyright
Copyright © Materials Research Society 1994

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References

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