Enrichment of optical, electrical, and magnetic properties of Li+, La3+ doped BaTiO3 perovskite multifunctional ceramics

Madhan, K.; Murugaraj, R.

doi:10.1007/s00339-020-3285-2

Cited by 13 publications

(2 citation statements)

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“…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%

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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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Section: Introductionmentioning

confidence: 99%