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Partially disordered nano-porous metallic oxide engineering: surface morphology controllability and multiple scattering properties

机译:部分紊乱的纳米多孔金属氧化物工程:表面形态可控性和多种散射性能

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摘要

Random multiple light scattering in disordered photonics leads to interesting and unexpected physical phenomena. Here, we demonstrate two types of partially disordered nano-porous metallic oxide materials: disordered grating nano-pores and two-dimensional disordered nano-tubes, which are produced just with one-step anodic oxidation. The relations among the processing parameters, morphology properties and multiple scattering characteristics are investigated. The surface morphology controllability can be achieved by simply changing the processing direct voltages, leading to different scattering properties. The probabilistic model of partially disordered nano-porous metallic oxide is constructed according to the nano-structure characteristics of oxide, and the rigorous coupled wave analysis is utilized for optical field simulation to exhibit the theoretical multiple scattering properties. Futhermore, the experimental scattering fields are measured and are analysed by statistical method. The research focuses on the disorder caused by one-step oxidation, which is distinct from previous studies that introducing disorder into periodic materials, and would open up new prospects for sensing, bionics and structural color.
机译:无序光子学中的随机多光散射导致有趣和意外的物理现象。在这里,我们证明了两种类型的部分无序的纳米多孔金属氧化物材料:具有无序的光栅纳米孔和二维无序纳米管,其在一步阳极氧化中产生。研究了处理参数,形态特性和多次散射特性之间的关系。通过简单地改变加工直接电压,可以实现表面形态可控性,从而实现不同的散射特性。部分无序的纳米多孔金属氧化物的概率模型是根据氧化物的纳米结构特性构建的,并且利用严格的耦合波分析进行光学场模拟以表现出理论多散射性能。更新,测量实验散射场并通过统计方法进行分析。该研究侧重于一步氧化引起的疾病,这与先前的研究不同,将疾病引入周期性材料,并将开辟传感,仿生和结构颜色的新前景。

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