The electrical properties of junctions between aluminium and doped polypyrrole (Record no. 41238)

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control field 20250625124651.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-6901
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Title The electrical properties of junctions between aluminium and doped polypyrrole
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Volume/sequential designation Journal of Physics. D: Applied Physics, 29, p.2971-2975, 1996
520 3# - SUMMARY, ETC.
Summary, etc. Polypyrrole (PPy)doped with small anions like or large polymeric anions such as poly(styrenesulphonate)forms a conducting organic solid. The electrical properties of metal contacts to this material were evaluated by current - voltage characteristics and impedance spectroscopy measurements. The I - V characteristics of the -doped device was symmetrical but non-ohmic, while that of the -doped diode was rectifying. The complex impedance spectra of -doped structures showed two partially overlapping semi-circles, which revealed the existence of two distinct regions at the metal/doped PPy junctions. They were modelled by an equivalent circuit consisting of two arallel RC circuits in series representing a thin insulating interfacial layer and a depletion region. The impedance spectra of -doped devices manifested a single semi-circle whose diameter depended on the bias voltage. In this case, the thin interfacial non-conducting layer was absent.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Bantikassegn, W.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Inganäs, O.
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Uniform Resource Identifier <a href="https://drive.google.com/file/d/1XAv6CKMTjjWzmQQXHzNPvrqtHukRBzC5/view?usp=drivesdk">https://drive.google.com/file/d/1XAv6CKMTjjWzmQQXHzNPvrqtHukRBzC5/view?usp=drivesdk</a>
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