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Macropore Formation in Prepatterned p-type Silicon

机译:预先形成图案的p型硅中的大孔形成

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摘要

The formation of ordered macropores in a prepatterned p-type silicon wafer by electrochemical anodization in HF:H_2O:DMSO (dimethyl sulfoxide) and HF:DMSO solutions was investigated. The pore wall thickness in the solutions was found to be reduced with increasing current density. The pore growth rate was compared using two kinds of etch pit; one is for 2 μm lattice spacing, the other is for 5 μm. The growth rate of the macropores for 2 μm size revealed a saturation behavior, while that of 5 μm corresponded to a linear increase in the same range of current density. The big difference in morphologies of macropores between HF:H_2O:DMSO and HF:DMSO solutions was accounted for based on the chemical nature of DMSO
机译:研究了在HF:H_2O:DMSO(二甲基亚砜)和HF:DMSO溶液中通过电化学阳极氧化在预图案化的p型硅晶片中形成有序大孔的过程。发现溶液中的孔壁厚度随着电流密度的增加而减小。使用两种刻蚀坑比较了孔的生长速率。一个用于2μm的晶格间距,另一个用于5μm。 2μm尺寸的大孔的生长速率显示出饱和行为,而5μm的生长速率对应于在相同电流密度范围内的线性增加。 HF:H_2O:DMSO和HF:DMSO溶液之间的大孔形态差异很大是基于DMSO的化学性质

著录项

  • 来源
  • 会议地点 HonoluluHI(US);Volker Lehmann and Vitali Parkhutik(US)
  • 作者单位

    Division of Nano BioTechnology, Daegu Gyeongbuk Institute of Science Technology, Daegu, 704-230, Korea;

    Division of Nano BioTechnology, Daegu Gyeongbuk Institute of Science Technology, Daegu, 704-230, Korea;

    Department of Materials and Chemical Engineering, Hanyang University, Ansan, Kyounggi 426-791, Korea;

    Division of Nano BioTechnology, Daegu Gyeongbuk Institute of Science Technology, Daegu, 704-230, Korea;

    Division of Nano BioTechnology, Daegu Gyeongbuk Institute of Science Technology, Daegu, 704-230, Korea;

    Department of Materials and Chemical Engineering, Hanyang University, Ansan, Kyounggi 426-791, Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 表面处理;
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