多晶锂钛铁氧体弛豫极化的可能模型

Proceedings of the 9th International Scientific and Practical Conference of Students, Post-graduates Modern Techniques and Technologies, 2003. MTT 2003. Pub Date : 2003-04-07 DOI:10.1109/SPCMTT.2003.1438178

A. Malyshev, A. Surzhikov

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引用次数: 0

摘要

研究了Li-Ti铁氧体在不同测试信号频率和幅值下的温度依赖性epsiv′(T)和epsiv′(T)。得到了充分描述所研究频率和温度范围内弛豫极化的经验表达式，并确定了表达式中出现的与频率无关的参数。结果表明，弛豫极化活化能不等于转移电荷活化能，电导不依赖于频率。因此，层间极化对大的epsiv'值的形成贡献不大。

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Probable model of relaxation polarization in polycrystalline lithium-titanium ferrite

A study was conducted to determine the temperature dependencies epsiv' (T) and epsiv" (T) obtained for Li-Ti ferrite at different test signal frequencies and amplitudes. The empirical expressions sufficiently describing the relaxation polarization in the investigated frequency and temperature ranges were obtained and the frequency-independent parameters appearing in the expressions were determined. The results show that the relaxation polarization activation energy is not equal to the transfer charge activation energy, and that the conductance does not depend on frequency. Thus, the interlayer polarization makes a little contribution to formations of large values of epsiv'.

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Proceedings of the 9th International Scientific and Practical Conference of Students, Post-graduates Modern Techniques and Technologies, 2003. MTT 2003.

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