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Dielectric and magnetodielectric properties of LSMO-BCZT composites

机译：LSMO-BCZT复合材料的介电和磁介电性能

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摘要

The paper reports the synthesis of Ba_(0.95)Ca_(0.05) Ti_(0.90)Zr_(0.10)O_3 (BCZT) composition via ceramic route of synthesis to result into the BCZT composite. The La_(0.67) Sr_(0.33)MnO_3 (LSMO) is synthesized using hydroxide co-precipitation route Further, the magnetodielectric (MD) composites of Ba_(0.95)Ca_(0.05)Ti_(0.90)Zr_(0.10)O_3(BCZT) are formed by addition of LSMO at y = 0.10,0.15 and 0.20. The parent BCZT composition is analyzed for its dielectric properties. The composites LSMO-BCZT (LBCZT) are investigated for the variation of dielectric constant and impedance spectra as a function of applied magnetic field for the frequency between 20 Hz and 1 MHz. The observations on MD effect show that the dielectric constant possesses contributions due to magnetic field dependant interfacial polarization and variations due to the induced stress.
机译：该论文报道了通过陶瓷合成途径合成Ba_（0.95）Ca_（0.05）Ti_（0.90）Zr_（0.10）O_3（BCZT）组成，从而得到BCZT复合材料。使用氢氧化物共沉淀途径合成La_（0.67）Sr_（0.33）MnO_3（LSMO）。此外，Ba_（0.95）Ca_（0.05）Ti_（0.90）Zr_（0.10）O_3（BCZT）的磁电（MD）复合材料通过在y = 0.10,0.15和0.20处添加LSMO形成M.分析母体BCZT组合物的介电性能。研究了复合材料LSMO-BCZT（LBCZT）的介电常数和阻抗谱随频率在20 Hz和1 MHz之间施加的磁场的变化。对MD效应的观察表明，介电常数由于磁场相关的界面极化而具有贡献，并且由于感应应力而具有变化。

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  • 来源
    《Journal of materials science》 |2016年第2期|1254-1260|共7页
  • 作者

    S. D. Chavan; S. G. Chavan; S. S. Mane; P. B. Joshi; D. J. Salunkhe;

  • 作者单位

    Department of Physics, D.B.F. Dayanand College of Arts and Science, Solapur 413002, India;

    Nano-Composite Research Laboratory, Department of Physics, K.B.P. Mahavidyalaya, Pandharpur, Solapur 413304, India;

    Nano-Composite Research Laboratory, Department of Physics, K.B.P. Mahavidyalaya, Pandharpur, Solapur 413304, India;

    Nano-Composite Research Laboratory, Department of Physics, K.B.P. Mahavidyalaya, Pandharpur, Solapur 413304, India;

    Nano-Composite Research Laboratory, Department of Physics, K.B.P. Mahavidyalaya, Pandharpur, Solapur 413304, India;

  • 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);
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  • 正文语种 eng
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