The D.C. voltage-dependent resistivity of CuCl powder compacts under pressure |
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Authors: | C Divakar M Mohan AK Singh |
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Institution: | Materials Science Division, National Aeronautical Laboratory, Bangalore 560 017, India |
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Abstract: | The CuCl powder compacts are found to exhibit d.c. voltage dependent resistivity. The resistivity drops by six orders of magnitudes when the applied voltage exceeds a critical value Vc.Vc is found to decrease with the increase in pressure. The high conducting phase shows a positive temperature coefficient of resistance at 1 atm of 0.004°C-1 which increases with pressure at a rate 0.0004°C?1 GPa?1. It is suggested that the pressure induced transition reported at 4 GPa could arise from the application of d.c. voltage. |
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