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Study of Temperature-Stable BaTiO_3 Dielectric Ceramics Modified with Bi_2O_3 and Rare-Earth Oxides

机译：Bi_2O_3和稀土氧化物改性的温度稳定型BaTiO_3介电陶瓷的研究

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High-sintering (Nb,Co)-doped BaTiO_3 system exhibits both high dielectric constant and flat K-T characteristics. In this paper, uncalcined barium titanate ultrafine powder was employed, Bi_2O_3 and rare-earth oxides were doped besides (Nb,Co) oxides to lower sintering temperature. Temperature-stable dielectric materials fitting the X7R specification were found, with dielectric constant at 25℃ greater than 3000. Microstructure observations manifested that both fine grain size and structural inhomogenity act as factors helping to form flat K-T characteristics.

机译：高烧结（Nb，Co）掺杂的BaTiO_3体系具有高介电常数和平坦的K-T特性。本文采用未经煅烧的钛酸钡超细粉，除了（Nb，Co）氧化物外还掺入Bi_2O_3和稀土氧化物，以降低烧结温度。发现了符合X7R规格的温度稳定的介电材料，在25℃时的介电常数大于3000。微观结构观察表明，细小晶粒尺寸和结构不均匀性都是有助于形成平坦K-T特性的因素。

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来源
《High-performance ceramics》|1998年|p.335-337|共3页
会议地点 Beijing(CN);Beijing(CN)
作者
T. Li; J. P. Wang; Z. L. Gui; L. T. Li;
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作者单位

State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, 100084, China;

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原文格式 PDF
正文语种 eng
中图分类化学工业;
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机译：Bi_2O_3，Sm_2O_3含量对BaTiO_3陶瓷结构，介电性能和介电可调性的影响
2. Fabrication of submicron La_2O_3-coated BaTiO_3 particles and fine-grained ceramics with temperature-stable dielectric properties [J] . Yan Wang, Bin Cui, Yu Liu Scripta materialia . 2014,第Null期

机译：介电性能稳定的亚微米La_2O_3涂层BaTiO_3颗粒和细粒陶瓷的制备
3. Effect of synthesized BaTiO_3 doping on the dielectric properties of ultra temperature-stable ceramics [J] . Shuang Wang, Hao He, Hao Su Journal of materials science . 2012,第10期

机译：合成BaTiO_3掺杂对超高温稳定陶瓷介电性能的影响
4. Study of Temperature-Stable BaTiO_3 Dielectric Ceramics Modified with Bi_2O_3 and Rare-Earth Oxides [C] . T. Li, J. P. Wang, Z. L. Gui, China international conference on high-performance ceramics . 1999

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5. Origins of enhanced dielectric properties in titania-modified tantalum pentoxide ceramics. [D] . Brennecka, Geoffrey Lee. 2006

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7. Studies Of Structural, Dielectric And Electrical Properties Of A/B Site Modified (Na0.5bi0.5)Tio3 Ceramic Oxides udud [O] . Barick Barun Kumar 2011

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Study of Temperature-Stable BaTiO_3 Dielectric Ceramics Modified with Bi_2O_3 and Rare-Earth Oxides

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