Ferroelectric devices using lead zirconate titanate (PZT) nanoparticles

被引:10
作者
Paik, Young Hun [1 ]
Kojori, Hossein Shokri [1 ]
Kim, Sung Jin [1 ,2 ]
机构
[1] Univ Miami, Dept Elect & Comp Engn, Coral Gables, FL 33124 USA
[2] Univ Miami, Biomed Nanotechnol Inst, Coral Gables, FL 33124 USA
基金
美国国家科学基金会;
关键词
PZT; ferroelectrics; nanoparticle; THIN-FILMS; HYDROTHERMAL SYNTHESIS; TEMPERATURE; SIZE; TRANSITION; PB(ZR;
D O I
10.1088/0957-4484/27/7/075204
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We successfully demonstrate the synthesis of lead zirconate titanate nanoparticles (PZT NPs) and a ferroelectric device using the synthesized PZT NPs. The crystalline structure and the size of the nanocrystals are studied using x-ray diffraction and transmission electron microscopy, respectively. We observe <100 nm of PZT NPs and this result matches dynamic light scattering measurements. A solution-based low-temperature process is used to fabricate PZT NP-based devices on an indium tin oxide substrate. The fabricated ferroelectric devices are characterized using various optical and electrical measurements and we verify ferroelectric properties including ferroelectric hysteresis and the ferroelectric photovoltaic effect. Our approach enables low-temperature solution-based processes that could be used for various applications. To the best of our knowledge, this low-temperature solution processed ferroelectric device using PZT NPs is the first successful demonstration of its kind.
引用
收藏
页数:8
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