Site-Selective Spectroscopy of the Solid-State Defect Chemistry in Erbium-Doped Barium Titanate

2005 ◽  
Vol 109 (39) ◽  
pp. 18391-18399 ◽  
Author(s):  
John D. Bak ◽  
John C. Wright
Keyword(s):  
Solid State ◽  
Barium Titanate ◽  
Defect Chemistry ◽  
Erbium Doped ◽  
Doped Barium Titanate ◽  
Site Selective

Dielectric Properties of Erbium Doped Barium Titanate

2001 ◽  
Vol 40 (Part 1, No. 2A) ◽  
pp. 676-679 ◽  
Author(s):  
Jin Hyun Hwang ◽  
Young Ho Han
Keyword(s):  
Dielectric Properties ◽  
Barium Titanate ◽  
Erbium Doped ◽  
Doped Barium Titanate

scholarly journals Preparation and study the structure of pure and impure barium titanate with Mg2+ ion

2018 ◽  
Vol 16 (37) ◽  
pp. 190-198
Author(s):  
Wasan Abd Alsatar Hekmt
Keyword(s):  
Crystal Structure ◽  
Solid State ◽  
Barium Titanate ◽  
Solid State Reaction ◽  
Lattice Parameters ◽  
Magnesium Ion ◽  
Solid State Reaction Technique ◽  
Molar Ratios ◽  
Two Temperatures ◽  
Doped Barium Titanate

Pure and doped barium titanate with Mg2+ ion at two molar ratios x= (5%, 10%) mol. has been synthesized by solid state reaction technique. The powders sintered at two temperatures (1000 °C and 1400 °C). An XRD technique was used in order to study the crystal structure of pure and doped barium titanate, which confirmed the formation of the tetragonal phase of BaTiO3, and then calculate the lattice parameters of pure and doped barium titanate, the addition of magnesium ion Mg2+ can lead to decreases lattice parameters.

scholarly journals Preparation and study the structure of pure and impure barium titanate with Mg2+ ion

2018 ◽  
Vol 16 (37) ◽  
pp. 178-189
Author(s):  
Wasan Abd Alsatar Hekmt
Keyword(s):  
Crystal Structure ◽  
Solid State ◽  
Barium Titanate ◽  
Solid State Reaction ◽  
Lattice Parameters ◽  
Magnesium Ion ◽  
Solid State Reaction Technique ◽  
Molar Ratios ◽  
Two Temperatures ◽  
Doped Barium Titanate

Pure and doped barium titanate with Mg2+ ion at two molar ratios x= (5%, 10%) mol. has been synthesized by solid state reaction technique. The powders sintered at two temperatures (1000 °C and 1400 °C). An XRD technique was used in order to study the crystal structure of pure and doped barium titanate, which confirmed the formation of the tetragonal phase of BaTiO3, and then calculate the lattice parameters of pure and doped barium titanate, the addition of magnesium ion Mg2+ can lead to decreases lattice parameters.

scholarly journals Erbium‐doped barium titanate/hydroxyapatite composites with enhanced piezoelectric and biological properties

2020 ◽  
Vol 15 (7) ◽  
pp. 421-424
Author(s):  
Cong Wu ◽  
Yufei Tang ◽  
Kang Zhao ◽  
Mengzhen Jiao ◽  
Zixiang Wu
Keyword(s):  
Barium Titanate ◽  
Biological Properties ◽  
Erbium Doped ◽  
Doped Barium Titanate

Influence of Lanthanum on Microstructure and Dielectric Properties of Barium Titanate Ceramics by Solid State Reaction

2011 ◽  
Vol 412 ◽  
pp. 275-279 ◽  
Author(s):  
Wei Cai ◽  
Chun Lin Fu ◽  
Ze Bin Lin ◽  
Xiao Ling Deng ◽  
Wei Hai Jiang
Keyword(s):  
Dielectric Properties ◽  
Solid State ◽  
Dielectric Loss ◽  
Barium Titanate ◽  
Lattice Constant ◽  
Solid State Reaction ◽  
Lanthanum Content ◽  
Doped Barium Titanate ◽  
Titanate Ceramics ◽  
La Doped

La-doped barium titanate ceramics with 0~1.0 at.% La2O3 were prepared by conventional solid state reaction method. The crystal structure and dielectric properties of La-doped barium titanate ceramics were investigated. Lanthanum ions have entered the unit cell and substituted for Ba2+ ions on the A sites of perovskite structure. The a-axis lattice constant increases and the c-axis lattice constant decreases as lanthanum content increases. Addition of lanthanum leads to the fall of the Curie temperature of La-doped BTO ceramics. There are two different doping mechanisms for La-doped BTO ceramics. The dielectric loss of BTO ceramics with 0.3 at.% La2O3 is higher than that of pure BTO ceramics. When lanthanum content is above 0.5 at.%, the dielectric loss of La-doped BTO ceramics decrease with the increasing of lanthanum content. The result of dielectric constant as a function of temperature at different frequencies indicates that La-doped BTO ceramics are not relaxor ferroelectrics but ferroelectrics with diffuse phase transition.

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