Frequency-Dependent Dielectric Breakdown in Thin Polyvinylcarbazole Films

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概要

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• Dielectric breakdown in thin polyvinylcarbazole (PVK) films prepared by vapor deposition polymerization has been investigated at various ac voltages. Real-time measurements were carried out automatically with a system composed of a digital oscilloscope, a controllable signal generator and a microcomputer. Self-healing breakdown takes place at the peak applied voltage. AC electric strength decreases with temperature, and increases with frequency in the range of 10 Hz–3 kHz. A gold electrode has a lower electric strength than an aluminum electrode. The frequency-dependent breakdown has been explained tentatively in terms of the field enhancement due to the hole space charge leading to carrier injection and resulting in the breakdown.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2003-08-15

著者

• Miyairi Keiichi

  Faculty Of Engineering Shinshu University

• Miyairi Keiichi

  Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan

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• Frequency-Dependent Dielectric Breakdown in Thin Polyvinylcarbazole Films

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