Sintering behavior of high-concentration Li2CO3-doped BaTiO3 ceramics

Lou, Qihong; Zeng, Jiangtao; Man, Zhenyong; Zheng, Liaoying; Park, Chul Hong; Li, G. R.

doi:10.1007/s00339-019-2556-2

Cited by 5 publications

(5 citation statements)

References 22 publications

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“…BFBT-BZT+MnO 2 ternary solid solution reduces the dielectric loss and improves the temperature stability of ceramics [16][17][18]. Li 2 CO 3 is a conventional sintering aid, when Li 2 CO 3 was added into ceramics, which promotes ceramic sintering and makes BFBT-BZT+MnO 2 ceramics dense [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

The (1 − x)BiFeO3–xBaTiO3–Bi(Zn0.5Ti0.5)O3 high-temperature lead-free piezoelectric ceramics with strong piezoelectric properties

Sun

Yang

Guan

et al. 2021

J Mater Sci: Mater Electron

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The structure, microstructure, piezoelectric properties, ferroelectric properties and Curie temperature of (1x )BiFeO 3 -x BaTiO 3 -Bi(Zn 0.5 Ti 0.5 )O 3 +MnO 2 +Li 2 CO 3 ceramics were investigated experimentally by improved solid-state reaction approach. The crystalline structures were examined by X-ray diffractometry. When x = 0.3, the rhombohedral and pseudocubic phases coexist in the ceramic structure. It is considered that the morphotropic phase boundary was formed here. At the same time, the piezoelectric performance d 33 , Curie temperature T C , and depolarization temperature are as high as 184 pC/N, 550°C, 530°C at x = 0.3, respectively. It is worth noting that when x = 0.24, the ceramics have a high T C = 580°C and low dielectric loss tan δ = 1.9%. These results show that the BFBT-BZT system ceramics are applicable ceramics with high piezoelectric properties in high temperature elds.

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Section: Introductionmentioning

confidence: 99%

The (1 − x)BiFeO3–xBaTiO3–Bi(Zn0.5Ti0.5)O3 high-temperature lead-free piezoelectric ceramics with strong piezoelectric properties

Sun

Yang

Guan

et al. 2021

J Mater Sci: Mater Electron

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“…It is reported by Liu [4] that the increased cell volume is assumed by the fact that Li ion is occupied the B-site (Ti) (in the 6-fold coordination condition) in which the ionic radius of Li (0.76 Å) is bigger than that of Ti (0.61 Å) so that the lattice and cell volume shrinks. On the other hand, few previous studies have stated that the Li ion will replace the A-site for the doping as much as < 1 % while it will enter the B-site for more numbers [4,5]. Nonetheless, for the overall result, the cell volume of all BLTO samples is bigger than that of BT.…”

Section: Resultsmentioning

confidence: 78%

“…In which, the ionic radius of Li (1.18Å) could be similar with Ba (1.61 Å) in 12-fold coordination condition while in 6-fold coordination, the Li radius could be (0.76Å) which is similar with Ti ions (0.61 Å) [4]. Besides, the Li dopant in BT ceramics can lower the sintering temperature during the manufacturing process [5] and enhances the piezoelectric properties of BT ceramics [7].…”

Section: Introductionmentioning

confidence: 99%

“…The structural and properties of this material are easily modified by doping. The doping of BT by dopants such as Li [4][5][6], Bi [2], La [7,8], Cu, Cr, Sm [9], Nd [10], and Sr [1,11,12] could modify the structural properties so that the other properties of BaTiO3 including the electrical, optical and magnetic properties. Lithium (Li) is an interesting dopant due to the flexibility of the ionic radius of Li in the ABO3 perovskite lattice.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, studies related to the fabrication of Li-doped BT ceramics with various methods [4,5,13] and their electrical characteristics in piezoelectric [14], photovoltaic [6], vibration sensor [15] applications have been many reported. However, studies on Li doped BaTiO3 thin films associated with their optical properties analysis are still rarely found.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Structural and Optical Studies of Lithium Doped Barium Titanate

Iriani

Sandi

Nurosyid

et al. 2021

KEM

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This study's goals are to fabricate and analyze the microstructure and optical properties of BT and Li-doped BT as the dependence of the Li concentrations (x) of 0.05, 0.1, and 0.15. The thin films of the BT and Li-doped BT have been successfully deposited on the quartz substrates by the sol-gel method. The microstructure and optical features were characterized via XRD and UV-Vis Spectrophotometer, respectively. The XRD patterns exhibit that the lattice parameter and cell volume of the Li-doped films are bigger than that of the BT due to the existence of Li doping in the BT host structure. Additionally, the tetragonality and crystallite size of all films decrease as the more Li number with the BLTO5 has the biggest lattice strain as compared to the others. Meanwhile, the optical characterization reveals that the transmittance spectra increase and the absorption edges shift to the shorter wavelengths as the addition of Li dopant indicating the bandgap values change. In contrast, the refractive index values of the films reduce by the more Li number.

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Enhancing infrared emissivity of GdCoO3 with Ca doping: Potential for advanced thermal control materials

Wang,

Li,

et al. 2024

Ceramics International

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Sintering behavior of high-concentration Li2CO3-doped BaTiO3 ceramics

Cited by 5 publications

References 22 publications

The (1 − x)BiFeO3–xBaTiO3–Bi(Zn0.5Ti0.5)O3 high-temperature lead-free piezoelectric ceramics with strong piezoelectric properties

The (1 − x)BiFeO3–xBaTiO3–Bi(Zn0.5Ti0.5)O3 high-temperature lead-free piezoelectric ceramics with strong piezoelectric properties

Structural and Optical Studies of Lithium Doped Barium Titanate

Enhancing infrared emissivity of GdCoO3 with Ca doping: Potential for advanced thermal control materials

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