2O5; Mn-Zn鐵氧體;微觀結(jié)構(gòu);電性能; 磁性能"/> 2O3-MoO3-xNb2O5(x= 0.000-0.075wt%,步長(zhǎng)：0.015)復(fù)合摻雜的高磁導(dǎo)率Mn-Zn鐵氧體材料,利用XRD、SEM、四探針電阻測(cè)試儀、阻抗分析儀、和軟磁測(cè)試儀等分析測(cè)試手段對(duì)材料結(jié)構(gòu)和性能進(jìn)行表征,研究了復(fù)合摻雜劑對(duì)高磁導(dǎo)率Mn-Zn鐵氧體材料的結(jié)構(gòu)和電磁性能的影響。結(jié)果表明：當(dāng)Nb2O5少量摻雜時(shí),Nb2O5可以改善材料的微觀結(jié)構(gòu),提高其密度、頻率穩(wěn)定性和品質(zhì)因數(shù),提高其電阻率,降低其體積功耗；當(dāng)Nb2O5過(guò)量摻雜時(shí),Nb2O5將惡化材料的微觀結(jié)構(gòu),導(dǎo)致材料的電磁性能變差。當(dāng)Nb2O5摻雜量為0.030wt%時(shí)材料的綜合電磁性能最佳。"/>

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CaO-Bi2O3-MoO3-xNb2O5復(fù)合摻雜對(duì)高磁導(dǎo)率Mn-Zn鐵氧體的微觀結(jié)構(gòu)和電磁性能的影響
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1中國(guó)計(jì)量大學(xué),1中國(guó)計(jì)量大學(xué),1中國(guó)計(jì)量大學(xué),1中國(guó)計(jì)量大學(xué),1中國(guó)計(jì)量大學(xué),1中國(guó)計(jì)量大學(xué)

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TM277+. 1

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浙江省自然基金資助項(xiàng)目(LY14E020009),浙江省公益科技計(jì)劃資助項(xiàng)目(2015C31041)


Effects of CaO-Bi2O3-MoO3-xNb2O5 on Electrical and Magnetic Properties of High Permeability Mn-Zn Ferrites
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College of Materials Science and Engineering,China Jiliang University,College of Materials Science and Engineering,China Jiliang University,College of Materials Science and Engineering,China Jiliang University,College of Materials Science and Engineering,China Jiliang University,College of Materials Science and Engineering,China Jiliang University,College of Materials Science and Engineering,China Jiliang University

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    摘要:

    采用高溫固相反應(yīng)制備了CaO-Bi2O3-MoO3-xNb2O5(x= 0.000-0.075wt%,步長(zhǎng)：0.015)復(fù)合摻雜的高磁導(dǎo)率Mn-Zn鐵氧體材料,利用XRD、SEM、四探針電阻測(cè)試儀、阻抗分析儀、和軟磁測(cè)試儀等分析測(cè)試手段對(duì)材料結(jié)構(gòu)和性能進(jìn)行表征,研究了復(fù)合摻雜劑對(duì)高磁導(dǎo)率Mn-Zn鐵氧體材料的結(jié)構(gòu)和電磁性能的影響。結(jié)果表明：當(dāng)Nb2O5少量摻雜時(shí),Nb2O5可以改善材料的微觀結(jié)構(gòu),提高其密度、頻率穩(wěn)定性和品質(zhì)因數(shù),提高其電阻率,降低其體積功耗；當(dāng)Nb2O5過(guò)量摻雜時(shí),Nb2O5將惡化材料的微觀結(jié)構(gòu),導(dǎo)致材料的電磁性能變差。當(dāng)Nb2O5摻雜量為0.030wt%時(shí)材料的綜合電磁性能最佳。

    Abstract:

    The high permeability Mn-Zn ferrites doped CaO-Bi2O3-MoO3-xNb2O5(x= 0.000- 0.075wt%,step：0.015) were prepared by high temperature solid state reactions. The phase composition, microstructure and electrical and magnetic properties were measured by XRD, SEM, FPP, impedance analyzer and soft magnetic AC testing system. The effects of Nb2O5on the Microstructure and magnetic properties of Mn-Zn ferrites were investigated. The results showed that Nb2O5 can refine the microstructure, improve the density, frequency stability and quality factor, electrical resistivity and reduce specific losses when a small amount of doping Nb2O5 are added. Nb2O5 would result in the deterioration of microstructure and the electromagnetic properties of the Mn-Zn ferrites when a large amount of doping Nb2O5 is added. When the Nb2O5 doping amount is 0.030wt%, the best comprehensive performance of Mn-Zn ferrites were obtained.

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李冬云,王凡,孫玉坤,徐揚(yáng),葛洪良,周玄. CaO-Bi2O3-MoO3-xNb2O5復(fù)合摻雜對(duì)高磁導(dǎo)率Mn-Zn鐵氧體的微觀結(jié)構(gòu)和電磁性能的影響[J].稀有金屬材料與工程,2018,47(6):1921~1925.[LI Dongyun, WANG Fan, SUN Yukun, XU Yang, GE Hongliang, Zhou Xuan. Effects of CaO-Bi2O3-MoO3-xNb2O5 on Electrical and Magnetic Properties of High Permeability Mn-Zn Ferrites[J]. Rare Metal Materials and Engineering,2018,47(6):1921~1925.]
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  • 收稿日期:2016-05-23
  • 最后修改日期:2016-06-29
  • 錄用日期:2016-07-15
  • 在線發(fā)布日期: 2018-09-06
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