Study on surface chemical polishing of HgInTe wafers

Yang Yang, Ling Hang Wang, Wan Qi Jie, Ya Bin Wang, Li Fu

Research output: Contribution to journalArticlepeer-review

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Abstract

The surface chemical polishing technique of HgInTe (MIT) wafers was investigated. Br2-C3H7ON and Br2-MeOH solutions with the different concentrations were used as the chemical polishing agent. The experimental results show that the wafers in 5% Br2-C3H7ON had a stable erosion rate, which could be easily controlled. The surface scratches were effectively removed and a shiny surface was obtained. Through AFM analysis, it was proved that the surface roughness could be reduced by about 67%. MIT wafers in 5% Br2-MeOH, however, was eroded very fast and had a rougher surface.

Original languageEnglish
Pages (from-to)535-538
Number of pages4
JournalRengong Jingti Xuebao/Journal of Synthetic Crystals
Volume38
Issue number2
StatePublished - Apr 2009

Keywords

  • Chemical polishing
  • Erosion rate
  • HgInTe
  • Surface roughness

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