Oscillatory Structure in the Electroabsorption Spectrum of \pi-Conjugated Polymer Thin Films: How to Identify the Franz--Keldysh Oscillation
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概要
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The nature of the oscillatory structure observed in the electroabsorption spectrum of highly ordered thin films of poly(9,9-dioctylfluorene) has been investigated and compared with that of the theoretically expected one-dimensional Franz--Keldysh (FK) oscillation. Although the observed oscillatory structure is not an FK oscillation, there are some similarities. From this comparison, we have discovered some features that can be used to distinguish whether the oscillatory structure is an FK oscillation, which include the field dependence of the oscillatory structure measured at four times the frequency of the applied electric field.
- 2011-03-15
著者
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MURAKAMI Shuichi
Technology Research Institute of Osaka Prefecture
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Ikame Satoshi
Department Of Physics And Electronics Osaka Prefecture University
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Naito Hiroyoshi
Department Of Chemistry And Organosilicon Research Laboratory
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Nagase Takashi
Department Of Gerontological Nursing/wound Care Management Graduate School Of Medicine The University Of Tokyo
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Endo Toshiyuki
Department of Physics @Graduate School of Science and Engineering, Saga University
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KOBAYASHI Takashi
Department of Applied Physics,Faculty of Engineering,Nagoya University
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Ikame Satoshi
Department of Physics and Electronics, Osaka Prefecture University, Sakai 599-8531, Japan
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ENDO TOSHIYUKI
Department of Biological Science and Technology, Biosystems Engineering,Institute of Technology and Science, The University of Tokushima
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NAITO Hiroyoshi
Department of Anatomy, Tokyo Dental College
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