期刊
ORGANIC ELECTRONICS
卷 9, 期 1, 页码 119-128出版社
ELSEVIER
DOI: 10.1016/j.orgel.2007.10.002
关键词
organic memory; switching; impedance spectroscopy; oxide; traps
Resistive switching in aluminum-polymer-based diodes has been investigated using small signal impedance measurements. It is shown that switching is a two-step process. In the first step, the device remains highly resistive but the low frequency capacitance increases by orders of magnitude. In the second step, resistive switching takes place. A tentative model is presented that can account for the observed behavior. The impedance analysis shows that the device does not behave homogenously over the entire electrode area and only a fraction of the device area gives rise to switching. (c) 2007 Elsevier B.V. All rights reserved.
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