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Hopping Conduction Mechanism in Amorphous CuO-Bi_{2}O_{3} Pellets

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Motke S. G., Burghate D. K., Gawande W. J., Pakade S. V., Yawale S. P.

Acta Physica Polonica A

1994

vol. 86

issue 6

969-978

The transport properties of CuO-Bi_{2}O_{3} pellets (pressed at room temperature 303 K) like dc electrical conductivity etc. are measured. The activation energy, dielectric constant etc. are reported. The hopping conduction is examined. Non-adiabatic hopping conduction is observed. The plot of -log σ versus 1/T is found to be linear. Activation energy of pellets containing CuO (80, 70, 60 mol%) shows electronic conduction while the pellet containing CuO (50 mol%) shows ionic conduction. The effect of content of CuO (mol%) and frequency on dielectric constant is also studied. The variation of dielectric constant with CuO (mol%) shows zigzag nature and may be due to the relaxation effects.

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1 Acta Physica Polonica A

1 1994

1 Burghate D. K.

1 Gawande W. J.

1 Motke S. G.

1 Pakade S. V.

1 Yawale S. P.

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Hopping Conduction Mechanism in Amorphous CuO-Bi_{2}O_{3} Pellets