Glass-ceramics of barium strontium titanate for high energy density capacitors

E. P. Gorzkowski; M.-J. Pan; B. Bender; C. C. M. Wu

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Glass-ceramics of barium strontium titanate for high energy density capacitors

机译：高能量密度电容器用钛酸钡锶玻璃陶瓷

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Barium strontium titanate glass-ceramics were successfully produced with one major crystalline phase when Al2O3 was added to the melt. A dielectric constant of 1000 and a breakdown strength of 800 kV/cm was achieved; however the energy density was only measured to be 0.3–0.9 J/cm3. These energy density values were lower than anticipated due to the presence of dendrites and pores in the microstructure. Using BaF2 as a refining agent improved the microstructure and doubled the energy density for BST 80/20 samples. However, no refining agent reduced the increasing amount of hysteresis that developed with increasing applied electric field. This phenomenon is believed to be due to interfacial polarization.

机译：将Al2 O3 添加到熔体中可成功生产出具有一种主要晶相的钛酸锶钡玻璃陶瓷。介电常数为1000，击穿强度为800 kV / cm；但是能量密度仅为0.3-0.9 J / cm3 。由于微观结构中存在树枝状晶体和孔，这些能量密度值低于预期。使用BaF2 作为精制剂可以改善BST 80/20样品的微观结构，并使能量密度增加一倍。然而，没有精制剂减少随着施加的电场增加而产生的滞后量的增加。据信这种现象是由于界面极化。

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来源
《Journal of Electroceramics》 |2007年第4期|269-276|共8页
作者
E. P. Gorzkowski; M.-J. Pan; B. Bender; C. C. M. Wu;
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作者单位

Multifunctional Materials Branch The Naval Research Laboratory Washington DC 20375 USA;

Multifunctional Materials Branch The Naval Research Laboratory Washington DC 20375 USA;

Multifunctional Materials Branch The Naval Research Laboratory Washington DC 20375 USA;

Multifunctional Materials Branch The Naval Research Laboratory Washington DC 20375 USA;

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正文语种 eng
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Glass-ceramic; Breakdown strength; Ferroelectric materials;

机译：微晶玻璃;击穿强度;铁电材料;

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1. Glass-ceramics of barium strontium titanate for high energy density capacitors [J] . E. P. Gorzkowski, M.-J. Pan, B. Bender, Journal of electroceramics . 2007,第3a4期

机译：高能量密度电容器用钛酸钡锶玻璃陶瓷
2. A novel lead-free and high-performance barium strontium titanate-based thin film capacitor with ultrahigh energy storage density and giant power density [J] . Fan Yuzhu, Zhou Zhiyong, Chen Ying, Journal of Materials Chemistry, C. materials for optical and electronic devices . 2020,第1期

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3. Barium Strontium Titanate Borosilicate Glass Ceramics as High Energy Density Capacitor [J] . Avadhesh Kumar Yadav, C. R. Gautam Advanced Science Letters . 2014,第5a6期

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4. BARIUM STRONTIUM TITANATE GLASS CERAMICS FOR HIGH ENERGY DENSITY CAPACITORS [C] . E.P.Gorzkowski, M.-J. Pan B. Bender, C. C. M. Wu Annual Meeting and Exposition of the American Ceramic Society . 2006

机译：高能密度电容器的钛酸锶玻璃陶瓷
5. Barium strontium titanate thin film capacitors for high-density memories. [D] . Balu, Venkatasubramani. 1999

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6. Feasibility study on a novel tiny dosimeter using a barium titanate capacitor [O] . Yuma Kuga, Ryo Ogawara, Masayori Ishikawa 2020

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7. Blocking effect of crystal-glass interface in lanthanum doped barium strontium titanate glass-ceramics [O] . Wang, X., Zhang, Y., Baturin, I., 2013

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8. Characterization of Internal Boundary Layer Capacitors Based Upon Barium Titanate and Strontium Titanate [R] . Park, H. D. 1981

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Glass-ceramics of barium strontium titanate for high energy density capacitors

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