Mechanical polishing of CdZnTe single crystal and measurement of surface damage layer

Gang Qiang Zha, Wan Qi Jie, Qiang Li, Yong Qin Liu

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Mechanical polishing technology of CZT wafers has been studied experimentally. After fractional polishing with SiO2 and MgO, the surface of CZT wafer was bright and smooth, without scratch in the view of optical microscope. The surface roughness was measured by New View 5000 to be about 8.752 nm. FWHM of X-ray rocking curve was adapted to characterize the surface damage. By comparing the weight lose and FWHM after different etching time, the thickness of the surface damage layer caused by mechanical polishing was determined to be about 26.7 μm.

Original languageEnglish
Pages (from-to)120-122
Number of pages3
JournalGongneng Cailiao/Journal of Functional Materials
Volume37
Issue number1
StatePublished - Jan 2006

Keywords

  • CdZnTe
  • Mechanical polishing
  • Surface damage layer
  • X-ray rocking curve

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