High-Speed Synthesis and Electric Properties of Magnesium Doped Lead Titanate Ceramics

2007 ◽  
Vol 121-123 ◽  
pp. 149-152
Author(s):  
Liang Sheng Qiang ◽  
Dong Yan Tang ◽  
Xing Hong Zhang ◽  
L. Jin

By adding methyl alcohol/water solution with certain concentration into sol to hydrolysis directly and sintering the fresh sol directly, lead titanate(PbTiO3) ceramics doped with magnesium are prepared by using magnesium acetate as doper to prohibit the disadvantages contained in conventional sol-gel method, such as low hydrolytic rate, high sintering temperature, long preparation period. The changes of structure, microstructure, synthesis process and electric properties of modified ceramics are studied in detail. The sizes and morphology of high purely and high density magnesium doped lead titanate nanocrystals thus obtained are observed by TEM photographs and the structures and affection of sintering temperature of to lattice constant and sizes of nanocrystals are detected by XRD. Electric properties detection results show that doped lead titanate ceramics exhibite excellent dielectric, ferroelectric and pyroelectric properties compare with pure lead titanate.

ChemInform ◽  
2010 ◽  
Vol 30 (19) ◽  
pp. no-no
Author(s):  
Sunuk Kim ◽  
Myong-cheol Jun ◽  
Soon-cheol Hwang

2020 ◽  
Vol 837 ◽  
pp. 153-158
Author(s):  
Shubham Sharma ◽  
Xiao Nan Dong ◽  
Peng Wei ◽  
Chen Long

This novel research work addresses the physical properties of Lead titanate (PT), PbTiO3 sample with additives. The modification of this sample was carried out by adding calcium in proportion of 5 to 15mol%. The samples in bulk form were synthesized by utilizing traditional method of solid state synthesis. The properties like structural analysis, and grain size determination were studied for the PbTiO3 sample & for the calcium modified lead titanate (PCT). The phase identification, structural characterizations and microstructural analysis hasanalyzed in this manuscript.


2007 ◽  
Vol 280-283 ◽  
pp. 163-166
Author(s):  
Dan Xie ◽  
Wei Pan ◽  
Zhi Min Dang ◽  
Tian Ling Ren

In the paper, the microstructure and properties of Sr1-xBaxBi4Ti4O15 (SBBT) ceramics with different Ba contents were investigated. SBBT ceramics were fabricated by means of the method combining Sol-Gel process and ordinary firing. The morphology will change when Ba2+ is doped in SrBi4Ti4O15 (SBTi), which will lead to the change of structure and ferroelectric properties. The microstructure of SBTi and BaBi4Ti4O15 (BBTi) ceramics were characterized by scan electron microscopy (SEM). With the increase of Ba2+ doping contents, the sintering temperature of SBBT ceramics decreases, 1120°C for SBTi and 1060°C for BBTi. BBTi ceramics contain more and larger plate-like grains than that in SBTi, the diameter of the grains in BBTi is about 8~10 µm, the thickness is about 2.5 µm. With the increase of Ba2+ doping contents, remanent polarization (Pr) and coercive electric-field (Ec) increase first and then decrease. At the molar ratio of Sr:Ba=0.5:0.5, SBBT ceramics exhibited the highest Pr and Ec.


2021 ◽  
Vol 585 (1) ◽  
pp. 88-96
Author(s):  
Avanish Kumar ◽  
Anju Dixit ◽  
Swati Chopra ◽  
P. S. Dobal

2013 ◽  
Vol 5 ◽  
pp. 04036
Author(s):  
Y. Guaaybess ◽  
M. Maanan ◽  
R. Adhiri ◽  
M. Moussetad ◽  
A. El Mesbahi ◽  
...  

2007 ◽  
Vol 336-338 ◽  
pp. 228-230
Author(s):  
Guang Hui Li ◽  
Zhang Lian Hong ◽  
Li Xia Peng ◽  
Min Quan Wang

XRD, SEM, bulk density and dielectric properties measurements were used to investigate the effect of TiO2 nanopowder substitution for conventional TiO2 micro-powder on the sintering and electric properties of PZT ceramics. Results revealed that the sintering temperature of dense Pb(Zr0.53Ti0.47)O3 ceramics was lowered about 50°C ~ 100°C when 20% and 40% of conventional TiO2 micro-powder was substituted by TiO2 nanopowder. The electric properties were kept or even enhanced in the PZT ceramics adopted the TiO2 nanopowder.


1988 ◽  
Vol 23 (6) ◽  
pp. 2087-2092 ◽  
Author(s):  
J. M. Hayes ◽  
T. R. Gururaja ◽  
L. E. Cross ◽  
G. L. Geoffroy

Sign in / Sign up

Export Citation Format

Share Document