Frequency control of the dielectric temperature coefficient of resistance in the process of relaxation polarization

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Abstract

It is shown that the dielectric temperature coefficient of resistance (TCR) can be changed in the process of relaxation polarization. The TCR frequency dependences are calculated using the Debye model of polarization. When the signal frequency is altered, both the value and the sign of the TCR change. The effect of the change in the value and sign of the TCR when the frequency is altered is discovered experimentally in doped semiconductor barium titanate.

About the authors

A. S. Bogatin

Faculty of Physics

Author for correspondence.
Email: asbbogatin@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

S. A. Kovrigina

Faculty of Physics

Email: asbbogatin@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

V. N. Bogatina

Faculty of Physics

Email: asbbogatin@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

A. L. Bulanova

Faculty of Physics

Email: asbbogatin@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

I. O. Nosachyov

Faculty of Physics

Email: asbbogatin@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

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