发现了在室温下具有电双稳特性的聚合物材料聚对萘二甲酸乙二酯(PEN).通过真空蒸发方法制备的PEN薄膜,其表面晶粒尺寸小于100nm,粗糙度也为纳米量级,而且具有较高的热稳定性.在3.5V电压作用下,PEN薄膜可从高阻状态跃变到低阻状态,跃迁时间小于20ns.该材料有可能用于大容量存储器的制作.
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