Metal–insulator phase transition in hydrogenated thin films of V2O3


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Abstract

Temperature dependences of the electrical conductivity of thin vanadium sesquioxide V2O3 films obtained by using the laser sputtering technique have been studied. A significant decrease (by four–five orders of magnitude) in the electrical conductivity has been observed below 150 K as a result of a metal–insulator phase transition. It is shown that hydrogenation of films lowers the temperature of this phase transition.

About the authors

V. N. Andreev

Ioffe Institute

Author for correspondence.
Email: vn.andreev.solid@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

V. A. Klimov

Ioffe Institute

Email: vn.andreev.solid@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

M. E. Kompan

Ioffe Institute

Email: vn.andreev.solid@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

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