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首页> 外文期刊>Physical Review, B. Condensed Matter >Surface charge density and evolution of domain structure in triglycine sulfate determined by electrostatic-force microscopy
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Surface charge density and evolution of domain structure in triglycine sulfate determined by electrostatic-force microscopy

机译:静电显微镜测定的三甘氨酸硫酸盐中结构域结构的表面电荷密度和演变

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摘要

A dynamic contact mode operation of electrostatic-force microscopy (EFM) with an ac modulation has been developed and used to investigate the domain structure and dynamics of a triglycine sulfate single crystal. Well-separated topographic and domain contrast images have been obtained by detecting the force instead of the force gradient in the dynamic contact mode operation of EFM. Surface charge density and the anisotropic domain wall thickness have been measured. The evolution of domains embedded in an oppositely polarized larger domain indicates the existence of a significant interaction between domains of the same polarity. [References: 24]
机译:已经开发了具有AC调制的静电力显微镜(EFM)的动态接触模式操作,并用于研究硫酸甘氨酸单晶的域结构和动力学。 通过在EFM的动态接触模式操作中检测力而不是力梯度来获得良好分离的地形和域对比度。 测量表面电荷密度和各向异性畴壁厚。 嵌入在相对偏振的较大域中的结构域的演变表明存在相同极性的域之间的显着相互作用。 [参考:24]

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