金属/铁电/金属和金属/铁电/半导体异质结构的非线性介电行为

2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics Pub Date : 2007-05-27 DOI:10.1109/ISAF.2007.4393217

K. Barz, M. Diestelhorst, H. Beige, L. Geske, M. Alexe, D. Hesse

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引用次数: 0

摘要

尺寸效应以及界面和薄膜的微观结构对铁电体线性性能的影响是目前世界范围内广泛研究的课题。然而，它们对纳米铁电体非线性特性的影响却鲜为人知。本文研究了纳米铁电体的制备方法，并研究了尺寸和微观结构对其非线性性能的影响。制备了不同的金属/铁电/金属-(MFM)和金属/铁电/半导体-(MFS)异质结构。所使用的铁电材料是PZT和钛酸铋。通过检测含异质结构非线性电容的非线性串联谐振电路的幅频特性，分析了电路的非线性介电特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Nonlinear Dielectric Bahaviour of Metal/Ferroelectric/Metal and Metal/Ferroelectric/Semiconductor-Heterostructures

The influence of size effects and of the microstructure of interfaces and thin films on the linear properties of ferroelectrics is presently a widely studied topic world-wide. However, their influence on nonlinear properties of nanoscaled ferroelectrics is widely unknown. The paper is devoted to the well-defined preparation of nanoscaled ferroelectrics and to investigations into the influence of size and microstructure effects on their nonlinear properties. Different metal/ferroelectric/metal-(MFM) and metal/ferroelectric/semiconductor-(MFS) heterostructures were prepared. The ferroelectric materials used are PZT and bismuth titanate. The nonlinear dielectric properties where analyzed by inspecting the amplitude-frequency-characteristics of a nonlinear series resonance circuit, which contained the heterostructures as nonlinear capacitance.

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2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics

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