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

Li, Zhi Cheng; Bergman, Bill

doi:10.1016/j.jeurceramsoc.2004.03.012

Cited by 45 publications

(36 citation statements)

References 15 publications

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“…1 Further oxide concentration reverts the semiconductor behaviour to insulator. [2][3][4][5] In addition to the electrical transition at 0.3% at. of dopant, refinement of the grains on sintering is usually reported.…”

Section: Introductionmentioning

confidence: 99%

Effect of doping method on microstructural and defect profile of Sb–BaTiO3

Brzozowski¹,

Caballero²,

Villegas³

et al. 2006

Journal of the European Ceramic Society

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Section: Introductionmentioning

confidence: 99%

Effect of doping method on microstructural and defect profile of Sb–BaTiO3

Brzozowski¹,

Caballero²,

Villegas³

et al. 2006

Journal of the European Ceramic Society

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“…A vezetés mechanizmusa minden esetben vegyérték-váltásra vezethető vissza, amit a titánionnak többféle oxidációs fokon való jelenléte tesz lehetővé [5,6,8]. A cériummal adalékolt bárium-titanát esetében például:…”

Section: A Perovszkit Kristályszerkezetunclassified

Ferroelectric ceramics I. – Theoretical background, materials and properties

Rádóczy¹,

Kovács²

2006

Epitoanyag - JSBCM

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“…[6][7][8], or pentavalent ions, such as Nb 5? and Ta 5? [9,10] are added to incorporate at the Ba 2? or Ti 4? site, respectively.…”

Section: Introductionmentioning

confidence: 99%

Preparation and positive temperature coefficient of resistivity behavior of BaTiO3–BaBiO3–Bi0.5Na0.5TiO3 ceramics

Zhang

Yang

2015

J Mater Sci: Mater Electron

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In this study, as a promising material for leadfree positive temperature coefficient of resistivity ceramics, (1 -x -y)BaTiO 3 -xBaBiO 3 -y(Bi 0.5 Na 0.5 )TiO 3 (x = 0.001, 0.002, 0.003; y = 0, 0.002, 0.004, 0.006, 0.01) samples were prepared by the conventional mixed oxide method. All the samples were sintered in air atmosphere for 1 h. X-ray diffraction, scanning electron microscope and resistivity-temperature measurement were used to study the crystal structure, microstructure and resistivitytemperature dependence. The results revealed that proper amount of BaBiO 3 doping not only decreased the room temperature resistivity, but also increased the Curie temperature. Its optimal doping content was finally chosen as 0.2 mol%. And with an increase of BNT content, both the Curie temperature and the room temperature resistivity increased. When BaBiO 3 = 0.2 mol%, BNT = 0.6 mol%, the Curie temperature was 153°C and the room temperature resistivity was 1512 X cm. When the BNT content increased to 1 mol%, the Curie temperature increased to 157°C but the room temperature resistivity increased sharply to 4.0 9 10 5 X cm.

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

Cited by 45 publications

References 15 publications

Effect of doping method on microstructural and defect profile of Sb–BaTiO3

Effect of doping method on microstructural and defect profile of Sb–BaTiO3

Ferroelectric ceramics I. – Theoretical background, materials and properties

Preparation and positive temperature coefficient of resistivity behavior of BaTiO3–BaBiO3–Bi0.5Na0.5TiO3 ceramics

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