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arXiv 0804.4387cond-mat.mtrl-scicond-mat.str-el
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界面对半导体LaBiMn4/3Co2/3O6介电响应的影响

Interfacial contribution to the dielectric response in semiconducting LaBiMn4/3Co2/3O6

M. Filippi, B. Kundys, R. Ranjith, A. K. Kundu, W. Prellier

摘要:

对钙钛矿型LaBiMn_(4/3)Co_(2/3)O_6的烧结多晶样品进行了阻抗测量。在这类半导体材料中,由于外部因素的影响,通常会测量出巨大的介电常数。我们的研究结果表明,一个大的偏移电容,测量一系列样品具有不同的厚度,是由于界面极化。然后可以从数据中去除这种贡献,从而创建半导体样品中介电测量的通用程序。

英文摘要:

Impedance measurements have been performed on a sintered polycrystalline sample of the perovskite LaBiMn4/3Co2/3O6. Colossal dielectric permittivity often is measured in this class of semiconducting materials as a result of extrinsic factors. Our results show that a large offset in the capacitance, measured on a series of samples with different thickness, is due to the interfacial polarization. This contribution then can be removed from the data, creating a general procedure for dielectric measurements in semiconducting samples.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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