One-step synthesis of <001>-oriented PbTiO3 nanoplates for templated grain growth by a hydrothermal method

被引：1
|
作者：
Ma, Xing-Hua [1 ]
Xia, Junjia [1 ]
Zhang, Shuling [1 ]
机构：
[1] Qingdao Univ Technol, Sch Mech & Automot Engn, Qingdao 266520, Shandong, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2021年 / 32卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Applied voltages - Ferroelectric behavior - Growth parameters - Hydrothermal methods - One step synthesis - Source material - Templated grain growth - Time variations;
D O I：
10.1007/s10854-021-05325-7
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：
-oriented PbTiO3 nanoplates with an average aspect ratio of approximately 5 were synthesized by a one-step hydrothermal method. The factors that could affect the growth of the PbTiO3 nanoplates, such as the concentration of the mineralizer (KOH) and ratio of Pb2+/Ti4+ in the source materials, were carefully investigated. A modified growth process of the PbTiO3 nanoplates was proposed by a time variation evaluation. Therefore, the typical growth parameters were set to 200 degrees C/10 h, Pb2+/Ti4+ = 1.25 (M-p25 = 5 mmol and M-Pb(NO3)2 = 6.25 mmol), and M-KOH = 8 mol/L (in 30 ml of DI water) with P25-TiO2 and Pb(NO3)(2) as the source materials. Furthermore, the d(33) versus applied voltage curve showed good ferroelectric behavior with a maximum d(33) value of similar to 165 pm/V, indicating promising potential as seeds for templated grain growth (TGG) of PbTiO3 nanoplates.
引用
收藏
页码：6055 / 6063
页数：9
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