Abstract
In this work, P-25 titanium dioxide nanoparticles (TiO2 NPs) were composited with poly-vinylpyrrolidone (PVP) at various concentrations of TiO2 NPs. The bistable memory devices were fabricated by spin coating from a prepared PVP:TiO2 NPs solution on indium tin oxide (ITO) electrodes with the device structure of ITO/PVP:TiO2 NPs/Al. The maximum ON/OFF current ratio of the bistable memory devices was approximately 105 at a reading voltage of +1 V. The mechanism of the memory device can be expressed by theoretical fitting between the experimental results and conduction models. Moreover, a retention time test for continuous read operations of the device is presented.
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Acknowledgments
This work was financially supported by King Mongkut’s Institute of Technology Ladkrabang (KMITL, Grant No. A118-0260-079).
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Ukakimaparn, P., Chantarawong, D., Songkeaw, P. et al. Electrical Bistable Properties of P-25 TiO2 Nanoparticles Composited with PVP for Memory Devices. J. Electron. Mater. 48, 6792–6796 (2019). https://doi.org/10.1007/s11664-019-07503-0
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DOI: https://doi.org/10.1007/s11664-019-07503-0