Features of the electrical and photoelectrical properties of nanocrystalline indium and zinc oxide films


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Abstract

Electrical and photoelectrical properties of nanocrystalline zinc oxide and indium oxide films are studied. For these oxides the temperature dependences of conductance are observed to be consisting of two parts with different activation energy. Also photoconductivity relaxation of the oxides can be described by a sum of two exponential functions. The spectral dependencies of nanocrystalline zinc oxide and indium oxide photoconductivity are presented. The photoconductivity arises as samples are illuminated with energy less than band gap. The data are discussed on the basis of model by which the localized states in the band gap play major role.

About the authors

T. V. Belysheva

Karpov Institute of Physical Chemistry

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 103064

M. I. Ikim

Semenov Institute of Chemical Physics

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 117977

A. S. Il’in

Moscow State University; National Research Center “Kurchatov Institute”

Author for correspondence.
Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 119991; Moscow, 123098

P. K. Kashkarov

Moscow State University; National Research Center “Kurchatov Institute”; Moscow University of Physics and Technology

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 119991; Moscow, 123098; Dolgoprudnyi, Moscow oblast, 141701

M. N. Martyshov

Moscow State University

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 119991

Y. Paltiel

Applied Physics Department, Center for Nano-Science and Nano-Technology

Email: as.ilin@physics.msu.ru
Israel, Jerusalem, 91904

L. I. Trakhtenberg

Semenov Institute of Chemical Physics

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 117977

N. P. Fantina

Moscow State University

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 119991

P. A. Forsh

Moscow State University; National Research Center “Kurchatov Institute”

Email: as.ilin@physics.msu.ru
Russian Federation, Moscow, 119991; Moscow, 123098

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