On the high conductivity of nonconjugated polymers

Лачинов, А. Н.; Kornilov, V. M.; Zagurenko, T. G.; Zherebov, A.Yu.

doi:10.1134/s1063776106040133

Cited by 29 publications

(20 citation statements)

References 14 publications

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“…If we take the recommended elec tron work function for indium ≈3.9 eV and electron affinity for PDP ≈2 eV, the barrier height should be of about ≈2 eV. To interpret the obtained data, let us refer to the model presented in [21,22]. In these articles, it was shown that a narrow (about 0.05 eV wide) con ducting band can exist near the middle of the energy gap of polymer (Fig.…”

Section: Resultsmentioning

confidence: 95%

Influence of parameters of the potential barrier at the metal/polymer interface on the electronic switching in the metal/polymer/metal structure

2012

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The influence of the first order phase transition on the parameters of the potential barrier at the indium/polymer interface has been investigated. It has been established that the phase transition occurring in the metal initiates switching of the polymer insulator into a high conductivity state. Performed investigations have shown that the main charge transfer mechanism in the metal-polymer-metal structure at high temper atures is the current caused by the electron thermionic emission. The analysis of current-voltage character istics has demonstrated that the first order phase transition in indium leads to the variation in the potential barrier height at the metal/polymer interface by Δϕ ≈ 0.18 eV. It is this phenomenon that is responsible for the electronic switching.

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Section: Resultsmentioning

confidence: 95%

Influence of parameters of the potential barrier at the metal/polymer interface on the electronic switching in the metal/polymer/metal structure

2012

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“…The design of the measuring cell was such that it enabled the setting of a certain initial state of conductivity of the polymer film by the procedure previously described in [16]: highly conducting (with a resistance of less than 100 Ω) or low-conducting (a resistance of ∼10 MΩ) state. Massive polished plates of polycrystalline and singlecrystal nickel or polycrystalline cobalt and thin (50 nm) films of nickel and permalloy obtained by thermodiffusion vacuum deposition were used as a ferromagnetic electrode.…”

Section: Methodsmentioning

confidence: 99%

Giant magnetoresistance of strong magnet–polymer heterostructures with a wide band gap

Лачинов

Воробьева

2016

J. Synch. Investig.

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Abstract⎯We present the results of studying the effect of a weak external magnetic field on the conductivity of heterostructures containing a wide-gap polymer layer. A set of experiments is singled out for switching the metal-dielectric conductivity, controlled by a weak magnetic field. Evidence of the reliability and repeatability of key experiments are reviewed, and the effect of possible artifacts on switching of the conductivity in the heterostructures under study is discussed.

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“…The same states can participate in the transfer of the charge injected into the polymer from electrodes. According to [15], the conductivity in a thin polymer film is caused by the appearance of a narrow charge-transfer band located near the center of the band gap of the polymer. In this case, the modulation of optical absorption results from the change in the population of deep electronic states by injected charge carriers.…”

Section: Modulation Spectroscopymentioning

confidence: 99%

Smart Polymers as Basic for Bio-, Chemical and Physical Sensors

Лачинов

Gadiev

Салихов

et al. 2014

Nanotechnology in the Security Systems

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Dielectric materials found more application in electronics during the last decade's. Among wide range of nonconjugated polymers should be noted. This paper gives the basic results of nonconjugated polymers research made by Ufa group. The peculiarities of electron transport in polymers are shown. The possibilities of application of such materials in basic for bio-, chemical and physical sensors are considered.

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On the high conductivity of nonconjugated polymers

Cited by 29 publications

References 14 publications

Influence of parameters of the potential barrier at the metal/polymer interface on the electronic switching in the metal/polymer/metal structure

Influence of parameters of the potential barrier at the metal/polymer interface on the electronic switching in the metal/polymer/metal structure

Giant magnetoresistance of strong magnet–polymer heterostructures with a wide band gap

Smart Polymers as Basic for Bio-, Chemical and Physical Sensors

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