Scanning nonlinear dielectric microscopy with contact sensing mechanism for observation of nanometer sized ferroelectric domains

被引:0
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作者
Cho, Yasuo [1 ]
Kazuta, Satoshi [1 ]
Matsuura, Kaori [1 ]
机构
[1] Res. Inst. of Elec. Communication, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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Experimental; (EXP);
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摘要
A new scanning nonlinear dielectric microscope with very high resolution for the observation of ferroelectric polarization was developed. This microscope has a newly developed contact sensing mechanism for detecting the exact contact point of a probe needle with respect to the surface of a specimen. This contact sensing mechanism enables us to use a probe needle with a very thin pointed end. Using the new microscope, domains in BaTiO3 single crystal and in PbTiO3 thin film were observed. By measuring the c-c domain wall of BaTiO3, the microscope was confirmed to have nanometer-order resolution.
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页码:5689 / 5694
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