Presentation 2008-06-27
Sliding of Charged Solitons on Polyacetylene
Yuhei MORI,
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Abstract(in English) Calculating numerically and analysing various previous works on heavily-doped trans-polyacetylene, it is derived that the structure is a soliton lattice and the sliding of the lattice contributes to the electric conductivity. Sliding simulations of the soliton lattice are carried out in this work for various soliton density. The sliding speed is studied and it is found that the speed is determined so that the soliton-passing period is pulled into integer times of C-C stretching vibration near the four times sound velocity. Isotope effect is also calculated and it is found that the sliding speed of soliton lattice for (CD)_x is not so stable as that of (CH)_x.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Polyacetylene / Vibration / Phonon / Soliton / Conductivity / Molecular Orbital / Molecular Dynamics
Paper # EMD2008-13,CPM2008-32,OME2008-34
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Committee OME
Conference Date 2008/6/20(1days)
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Paper Information
Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Sliding of Charged Solitons on Polyacetylene
Sub Title (in English)
Keyword(1) Polyacetylene
Keyword(2) Vibration
Keyword(3) Phonon
Keyword(4) Soliton
Keyword(5) Conductivity
Keyword(6) Molecular Orbital
Keyword(7) Molecular Dynamics
1st Author's Name Yuhei MORI
1st Author's Affiliation NTT Photonics Laboratories()
Date 2008-06-27
Paper # EMD2008-13,CPM2008-32,OME2008-34
Volume (vol) vol.108
Number (no) 112
Page pp.pp.-
#Pages 6
Date of Issue