Electrical and Mechanical Properties of Modified Barium Titanate by Doping an M-Type Hexagonal Ferrites

被引：4
|
作者：
Jaita, Pharatree [1 ,2 ]
Boothrawong, Narongdetch [1 ]
Lertcumfu, Narumon [1 ]
Malasri, Pruchya [1 ]
Jarupoom, Parkpoom [3 ]
Tunkasiri, Tawee [1 ]
Rujijanagul, Gobwute [1 ,2 ,4 ,5 ]
机构：
[1] Chiang Mai Univ, Dept Phys & Mat Sci, Fac Sci, Chiang Mai, Thailand
[2] Chiang Mai Univ, Sci & Technol Res Inst, Chiang Mai, Thailand
[3] Rajamangala Univ Technol Lanna, Fac Engn, Dept Ind Engn, Chiang Mai, Thailand
[4] Chiang Mai Univ, Fac Sci, Res Ctr Phys & Astron, Chiang Mai, Thailand
[5] Chiang Mai Univ, Fac Sci, Mat Sci Res Ctr, Chiang Mai, Thailand
来源：
INTEGRATED FERROELECTRICS | 2021年 / 214卷 / 01期
关键词：
Barium hexaferrite; piezoelectric properties; mechanical properties; microstructure;
D O I：
10.1080/10584587.2020.1857172
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：
Effects of M-type barium hexaferrite (BH) on phase, microstructure, mechanical and electrical properties of barium titanate doped with Zr or MBT-xBH ceramics were systematically investigated. All ceramics presented pure perovskite structure with orthorhombic phase. Average grain size and porosity decreased while hardness increased with increasing BH and showed the highest value of 6.01 GPa for the 1.0 mol% sample. The mechanical properties improvement was related with the change in microstructure and porosity. The BH doping enhanced room dielectric constant by 266% with reduction of dielectric loss value (@1 kHz). Furthermore, grain size was found to affect with the change in strain behavior.
引用
收藏
页码：2 / 10
页数：9
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