用真空蒸法的方法制备了Ag-TCNQ电双稳薄膜.研究了在不同的电压作用下薄膜的阻抗转变规律.发现了阻抗转变过程中的疲劳和锻炼效应:即用连续的高于阈值的窄电压脉冲作用于薄膜后,薄膜阻抗转变弛豫时间缩短;而用低于极限电压的脉冲连续作用于薄膜后,薄膜阻抗转变弛豫时间变长.从阻抗转变的能量效应出发,通过外电场的作用导致分子取向的弹性和塑性形变讨论了薄膜电阻跃迁的机理.
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