Ferroelectric SERS substrates

来源 :The 3rd International Symposium on Rare Earth Resource Utili | 被引量 : 0次 | 上传用户:Depthcharge2009
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  Ferroelectrics have reversible spontaneous polarizations.LiNbO3 is a unique ferroelectric that possesses many excellent properties including the largest polarization along the crystallographic z-axis, excellent physical and chemical stability, and strong photogalvanic effect.With the application of an electric field, patterns with positive and negative polarizations (anti-parallel domain structures) in the material can be fabricated.The domain size can be manipulated by adjusting magnitude and duration of the applied field.1
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