期刊
MRS COMMUNICATIONS
卷 8, 期 3, 页码 1104-1110出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrc.2018.156
关键词
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资金
- RMIT microscopy and microanalysis facility (RMMF)
Lateral memristors consisting of planar Ag electrodes (with sub-micrometer separation) supported on thin films of amorphous zinc-tin-oxide have been characterized. After an initial filament-forming process, each device exhibited volatile, resistive switching. In the low resistance state, the transport mechanism and conductance depended on prior activity and on the imposed current limit, mimicking biologic synaptic plasticity. Microscopic observations performed on each device revealed nanoscale filaments between the electrodes. These filaments were subject to Rayleigh instability and exhibited relaxation times determined by their effective radii. The relaxation times and on:off resistance ratios suggest suitability for threshold switching selector devices.
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