Steady-state current due to ionic carriers in polymethylphenylsilane thin films

Steady-state current in polymethylphenylsilane thin films has been studied. It is found that the steady-state current is proportional to the square root of the applied electric field at high applied electric fields. The temperature dependence of the steady-state current shows the thermally activated...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1997, Vol.36 (8), p.5179-5180
Main Authors: IGA, H, NAITO, H
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity of specific materials
Electronic transport in condensed matter
Exact sciences and technology
Photoconduction and photovoltaic effects
Photoconduction and photovoltaic effects
photodielectric effects
Physics
Polymers
organic compounds (including organic semiconductors)
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Summary:Steady-state current in polymethylphenylsilane thin films has been studied. It is found that the steady-state current is proportional to the square root of the applied electric field at high applied electric fields. The temperature dependence of the steady-state current shows the thermally activated behavior with the activation energy of 0.33 eV and 0.95 eV below and above 9.0 ×10 4 V/cm, respectively. These experimental results can be explained in terms of the ion generation due to the Poole-Frenkel mechanism and the subsequent transport in this material.
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.36.5179