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VOLUME 52 (1990) | ISSUE 2 | PAGE 742
Anomalous electron instability of polymers due to uniaxial pressure
The electrical properties of thin films of polyaromatic compounds— polyarylenephthalides—are highly sensitive to pressure. At anomalously low pressure, not exceeding 2 Χ 105 Pa, an insulator-metal phase transition is observed in test samples. The conductivity changes by 11 orders of magnitude at the point of the transition. A model of a Mott phase transition is proposed to explain this effect.