Direct‐Current Field Dependence of Dielectric Properties in Alumina‐Doped Barium Strontium Titanate

Wu, Long; Chen, Yih‑Chien; Huang, Cheng−Liang; Chou, Yi-Ping; Tsai, Yuan-Tu

doi:10.1111/j.1151-2916.2000.tb01455.x

Cited by 40 publications

(11 citation statements)

References 20 publications

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“…Dielectric loss was also lower for specimens sintered at 1330ºC, both the dielectric constant and the loss obtained for BTO sintered at 1260 and 1330ºC can be observed in Figure 10a and b, respectively. Low dielectric constant (İ), low dielectric loss factor and high dielectric tenability are some of the desired characteristics for dielectric materials for phased-array applications [28]. Figure 11 shows the dielectric constant and the dielectric loss when measured at a frequency of 1 kHz at different temperatures.…”

Section: Dielectric Constantmentioning

confidence: 99%

Fabrication of barium titanate by binder jetting additive manufacturing technology

Gaytan

Cadena

Karim

et al. 2015

Ceramics International

192

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Fabrication of barium titanate (BaTiO 3 ) specimens was accomplished with binder jetting additive manufacturing, and build parameters (e.g. binder saturation and layer thickness) and sintering profiles were modified to optimize the density achieved and the crystal structures obtained in the 3D printed parts. Surface and cross sectional grain morphology was characterized by scanning electron microscopy (SEM) revealing grain growth on localized areas of BTO fabricated specimens after sintering. Crystal structure was analyzed by X-ray diffraction (XRD) where the presence of a hexagonal phase was observed for 2 BaTiO 3 only when sintered at 1400ºC. The dielectric constant of the fabricated BaTiO 3 specimens sintered at 1260ºC was obtained by using a K u -band wave-guide and vector network analyzer setup in which the relative permittivity was measured from 8.6 to 6.23 for a frequency range of 12.4 to 18 GHz, respectively. When sintered at 1400ºC for 4 hours, a density of 3.93 g/cm 3 was obtained, which corresponds to 65.2% of the theoretical density.Piezoelectric properties exhibited a d 33 value of 74.1 for specimens also sintered at 1400ºC.Results reported in this paper demonstrate the feasibility of BTO as a binder jetting material for 3D printed dielectric structures, ceramic capacitors and gas and pressure sensors.

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Section: Dielectric Constantmentioning

confidence: 99%

Fabrication of barium titanate by binder jetting additive manufacturing technology

Gaytan

Cadena

Karim

et al. 2015

Ceramics International

192

View full text Add to dashboard Cite

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“…In addition, as is known, anharmonic interaction can be visualized as an inelastic feature of the covalent bond constructed by Ti 4 + and O 2 À [20]. The magnitude of dipole moment will be thus suppressed under DC bias, which causes the dielectric constant to decrease [21]. The tunable property dependence on DC bias appears therefore from the anharmonic interaction of the Ti ions in the pervoskite cubic structure in the PST thin film, and may be defined as…”

Section: Resultsmentioning

confidence: 99%

The effect of Tb doped PbTiO3 inducing layer on texture and tunable property of sol–gel derived Pb0.4Sr0.6TiO3 thin films grown on ITO/glass substrate

Wang

Weng

et al. 2011

Journal of Crystal Growth

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“…There is evidence that iron doping impacts the microwave properties as an acceptor dopant [41][42][43]. The permittivity and also the tunability are significantly reduced, Fig.…”

Section: Dielectric Characterisation In the Microwave Rangementioning

confidence: 97%

Effects of thermal processing and iron doping in co-sputtered barium strontium titanate thin films

et al. 2012

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The effects of the thermal processing and iron doping on RF magnetron co-sputtered barium strontium titanate thin film properties have been investigated. X-ray diffraction and Raman spectroscopy have been used to determine the structural evolution of the films as a function of the annealing temperature and the amount of iron dopant. X-ray photoelectron spectroscopy and electron paramagnetic resonance spectroscopy were employed to gain information about the chemical binding states and the defect structure. The enhancement of the quality factor Q, as well as the decreasing permittivity and tunability due to iron acceptor doping are demonstrated.

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Direct‐Current Field Dependence of Dielectric Properties in Alumina‐Doped Barium Strontium Titanate

Cited by 40 publications

References 20 publications

Fabrication of barium titanate by binder jetting additive manufacturing technology

Fabrication of barium titanate by binder jetting additive manufacturing technology

The effect of Tb doped PbTiO3 inducing layer on texture and tunable property of sol–gel derived Pb0.4Sr0.6TiO3 thin films grown on ITO/glass substrate

Effects of thermal processing and iron doping in co-sputtered barium strontium titanate thin films

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