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首页> 外文期刊>Journal of Materials Research >A link between p-type electrical conduction and microwave dielectric loss in highly ordered Ba(Co_1/3Nb2/3)03 ceramics
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A link between p-type electrical conduction and microwave dielectric loss in highly ordered Ba(Co_1/3Nb2/3)03 ceramics

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摘要

BaCo 113Nb21303 ceramics, with a high density and a similar, high degree of 1:2 B-sitecation ordering, exhibit ver different quality factors, Q. The ceramics exhibit p-typebehavior with higher conductivity and lower Q for samples processed in 0 2 as comparedwith those processed in air. It is proposed that unavoidable Co loss during hightemperatureceramic processing leads to p-type doping that must be compensated byoxygen vacancies to impede hole formation. The composition exhibiting only intrinsicconduction and optimized Q is not achieved with processing in atmospheric oxygen due tofilling of oxygen vacancies and hole formation during cooling.

著录项

  • 来源
    《Journal of Materials Research》 |2010年第6期|1011-1014|共4页
  • 作者单位

    Antonio Feteira, and Mehdi Mirsaneh Ceramics and Composites Laboratory, Department of Engineering aterials, The University of Sheffield, Sheffield, S1 3JD United Kingdom;

    Center for Dielectric Studies, Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802;

    Ceramics and Composites Laboratory, Department of Engineering Materials, The University of Sheffield, Sheffield, SI 3JD United Kingdom;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 工程材料学;
  • 关键词

    conduction; microwave; link;

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