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首页> 外文期刊>Philosophical Magazine Letters >Electrical conductivity of Nd and Ce co-doped Gd2Zr2O7 ceramics
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Electrical conductivity of Nd and Ce co-doped Gd2Zr2O7 ceramics

机译：Nd和Ce共掺杂Gd 2 Zr 2 O 7 陶瓷的电导率

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摘要

In this study, (Gd1− x Nd x )2(Zr1− x Ce x )2O7 (0 ≤ x ≤ 0.5) ceramics have been prepared by pressureless sintering at 1973 K to investigate the influence of Nd and Ce co-doping on their electrical conductivity. The electrical conductivity of the ceramics was investigated by impedance spectroscopy measurements from 723 to 1173 K over the frequency range of 20 Hz to 2 MHz in air. The measured values obey the Arrhenius relation. For each composition, the grain conductivity gradually increases with increasing temperature from 723 to 1173 K. At a given temperature, it gradually decreases with increasing neodymium and cerium contents from x = 0 to 0.3; thereafter, the grain conductivity exhibits a slight increase with further increasing neodymium and cerium contents up to x = 0.5.View full textDownload full textKeywords(Gd1− x Nd x )2(Zr1− x Ce x )2O7 , impedance spectroscopy, electrical conductivity, ceramicsRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/09500839.2010.507174
机译：在这项研究中，（Gd 1− x Nd x ） 2 （Zr 1∠x Ce x ） 2 O 7 （0≤x≤0.5）通过在1973 K下无压烧结制备了陶瓷，以研究Nd和Ce共掺杂对其导电性的影响。通过在空气中20 Hz至2 MHz的频率范围内从723到1173 K的阻抗谱测量，研究了陶瓷的电导率。测量值服从Arrhenius关系。对于每种成分，晶粒电导率随温度从723升高到1173 K而逐渐增加。在给定温度下，随着钕和铈含量从x = 0到0.3升高而逐渐降低。此后，随着钕和铈的含量进一步增加，直至x = 0.5，晶粒的电导率会略有增加。查看全文下载全文关键字（Gd1ˆx Nd x）2（Zr1ˆx Ce x）2O7，阻抗谱，电气电导率，陶瓷相关变量var addthis_config = {ui_cobrand：“泰勒和弗朗西斯在线”，servicescompact：“ citeulike，netvibes，twitter，technorati，delicious，linkedin，facebook，stumbleupon，digg，google，更多”，发布日期：“ ra-4dff56cd6bb1830b”} ;添加到候选列表链接永久链接http://dx.doi.org/10.1080/09500839.2010.507174

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