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Single-crystal CVD diamonds as small-angle X-ray scattering windows for high-pressure research

  • Suntao Wang
  • , Yu Fei Meng
  • , Nozomi Ando
  • , Mark Tate
  • , Szczesny Krasnicki
  • , Chih Shiue Yan
  • , Qi Liang
  • , Joseph Lai
  • , Ho Kwang Mao
  • , Sol M. Gruner
  • , Russell J. Hemley

Research output: Contribution to journalArticlepeer-review

Abstract

Small-angle X-ray scattering (SAXS) was performed on single-crystal chemical vapor deposition (CVD) diamonds with low nitrogen concentrations, which were fabricated by microwave plasma-assisted chemical vapor deposition at high growth rates. High optical quality undoped 500 m-thick single-crystal CVD diamonds grown without intentional nitrogen addition proved to be excellent as windows on SAXS cells, yielding parasitic scattering no more intense than a 7.5 m-thick Kapton film. A single-crystal CVD diamond window was successfully used in a high-pressure SAXS cell.

Original languageEnglish (US)
Pages (from-to)453-457
Number of pages5
JournalJournal of Applied Crystallography
Volume45
Issue number3
DOIs
StatePublished - Jun 2012

All Science Journal Classification (ASJC) codes

  • General Biochemistry, Genetics and Molecular Biology

Keywords

  • chemical vapor deposition
  • high pressure
  • microwave plasma
  • single-crystal diamonds
  • small-angle X-ray scattering

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