Electrical Bistable Properties of P-25 TiO2 Nanoparticles Composited with PVP for Memory Devices

被引：2
作者：
Ukakimaparn, P. [1 ]
Chantarawong, D. [1 ]
Songkeaw, P. [1 ]
Onlaor, K. [1 ,2 ]
Thiwawong, T. [1 ,2 ]
Tunhoo, B. [1 ,2 ]
机构：
[1] King Mongkuts Inst Technol Ladkrabang, Coll Nanotechnol, Elect & Control Syst Nanodevice Res Lab, Chalongkrung Rd, Bangkok 10520, Thailand
[2] Minist Educ, Commiss Higher Educ, Thailand Ctr Excellence Phys, 328 Si Ayutthaya Rd, Bangkok 10400, Thailand
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2019年 / 48卷 / 10期
关键词：
Titanium dioxide; nanoparticles; bistable device; memory; RESISTIVE SWITCHING CHARACTERISTICS; NONVOLATILE MEMORY; POLYMER COMPOSITE; ANATASE;
D O I：
10.1007/s11664-019-07503-0
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 10(5) 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.
引用
收藏
页码：6792 / 6796
页数：5
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