Xie Huidong
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- Professor
- Supervisor of Master's Candidates
- Name (Pinyin):Xie Huidong
- School/Department:化学与化工学院
- Education Level:PhD student
- Business Address:化学与化工学院
- Contact Information:邮箱 : 175313490@qq.com
- Degree:Doctoral degree
- Professional Title:Professor
- Status:Employed
- Alma Mater:清华大学
- Discipline:Chemistry
Other Contact Information
- Telephone：
- Email：
- Paper Publications
Morphotropic phase boundary, segregation effect and crystal growth in the NBT-KBT system
Release time:2024-08-09 Hits:
- Affiliation of Author(s):化学与化工学院
- Journal:J Cryst Growth
- Key Words:中文关键字：分凝，熔体生长，铋化合物，钙钛矿，压电材料，英文关键字：A1. Segregation; A2. Growth from melt; B1. Bismuth
- Abstract:Lead-free piezoelectric materials of sodium-potassium bismuth titanate, (1-x)NaBi(TiO3)2-xKBi(TiO3)2, ceramics and single crystals were prepared and their crystallographic and dielectric properties were measured. Single crystals with dimensions of several centimeters were grown by using the melt growth technique. The morphotropic phase boundary between rhombohedral and tetragonal symmetry determined by X-ray diffraction and Raman spectra was found at x = 0.2. No coexistence of rhombohedral/ tetragonal phases was found in the NKBT system. Compositions analyses showed that a severe phase segregation occured during the crystallization of the solid solution. From the segregation point, a homogeneous NKBT crystal near the MPB composition is difficult to grow.
- Note:谢会东
- Co-author:JinL,ShenDZ,WangXQ,ShenGQ
- First Author:Xie Huidong
- Indexed by:Journal paper
- Volume:卷：311
- Issue:期：14
- Page Number:页：3626-3630
- Translation or Not:no
- Date of Publication:2009-07-01