Solid Solubility of Cerium in BaTiO3

Makovec, Darko; Samardžija, Zoran; Kolář, D.

doi:10.1006/jssc.1996.0148

Cited by 87 publications

(53 citation statements)

References 5 publications

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“…10,11 It cannot produce as much conducting-band electrons as that of tri-valent donor or penta-valent donor at the same doping level. Therefore the Ce-doped samples always show higher resistivity than the other doped materials in present experiment.…”

Section: Resultsmentioning

confidence: 99%

Electrical properties and ageing characteristics of BaTiO3 ceramics doped by single dopants

Bergman

2005

Journal of the European Ceramic Society

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Section: Resultsmentioning

confidence: 99%

Electrical properties and ageing characteristics of BaTiO3 ceramics doped by single dopants

Bergman

2005

Journal of the European Ceramic Society

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“…Data for Ce 3ϩ -doped BaTiO 3 , which is reported to form according to a Ti vacancy solid solution mechanism, Ba 1Ϫx Ce x Ti 1Ϫx/4 O 3 , 17,18 indicate that T c decreases linearly at a rate of ϳ21°C per at. % Ce 3ϩ .…”

Section: Introductionmentioning

confidence: 96%

Electrical and structural characteristics of lanthanum-doped barium titanate ceramics

Morrison¹,

Sinclair²,

West³

1999

Journal of Applied Physics

342

230

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Single phase La-doped BaTiO 3 with the formula Ba 1Ϫx La x Ti 1Ϫx/4 O 3 : 0рxр0.20 was prepared by solid state reaction of oxide mixtures at 1350°C, 3 days, in O 2 . The tetragonal distortion in undoped BaTiO 3 decreased with x and samples were cubic for xу0.05. Both the tetragonal/cubic and orthorhombic/tetragonal transition temperatures decreased with x, but at different rates, and appeared to coalesce at xϳ0.08. The value of the permittivity maximum at the tetragonal/cubic phase transition in ceramic samples increased from ϳ10 000 for xϭ0 at 130°C to ϳ25 000 for xϭ0.06 at ϳϪ9°C. At larger x, the permittivity maximum broadened, showed ''relaxor''-type frequency dependent permittivity characteristics and continued to move to lower temperatures. Samples fired in O 2 were insulating and showed no signs of donor doping whereas air-fired samples were semiconducting, attributable to oxygen loss.

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“…BaTiO 3 doped with donor impurities such as La and Ce [12] on Ba sites exhibits a semiconducting behavior at low concentration, and normally reverts to insulating materials for donor concentrations above 0.5 mol%. There are only a few papers about BaTiO 3 with an additive of Sm, and the dopant amount was limited at a low level (≤1.2 mol%) [14,15].…”

Section: Introductionmentioning

confidence: 99%

Structure and Electric Properties of Sm Doped BaTiO₃Ceramics

Sun¹,

Wang²,

Yao³

2010

Ferroelectrics

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BaTiO 3 ceramics with Sm additions in the range of 1 mol% to 8 mol% were prepared through a solid-state reaction sintering in nitrogen atmosphere. The ceramic structure and morphology, temperature dependences of the dielectric constant and I-V properties were characterized. The results indicated that Sm 3+ ions incorporated into BaTiO 3 inhibited the grain growth and no secondary phases was detected, and the doped samples become semiconductive.

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Solid Solubility of Cerium in BaTiO3

Cited by 87 publications

References 5 publications

Electrical properties and ageing characteristics of BaTiO3 ceramics doped by single dopants

Electrical properties and ageing characteristics of BaTiO3 ceramics doped by single dopants

Electrical and structural characteristics of lanthanum-doped barium titanate ceramics

Structure and Electric Properties of Sm Doped BaTiO₃Ceramics

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Solid Solubility of Cerium in BaTiO3

Cited by 87 publications

References 5 publications

Electrical properties and ageing characteristics of BaTiO3 ceramics doped by single dopants

Electrical properties and ageing characteristics of BaTiO3 ceramics doped by single dopants

Electrical and structural characteristics of lanthanum-doped barium titanate ceramics

Structure and Electric Properties of Sm Doped BaTiO3Ceramics

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Product

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Structure and Electric Properties of Sm Doped BaTiO₃Ceramics