Growth and characterization of KMgF3 single crystals by the Czochralski technique under CF4 atmosphere

Kiyoshi Shimamura, Tomoyo Fujita, Hiroki Sato, Amina Bensalah, Nobuhiko Sarukura, Tsuguo Fukuda

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


KMgF3 (KMF) single crystals were grown by the Czochralski technique as a new candidate of vacuum-ultra-violet optical materials. The absorption edge of KMF single crystals was 115 nm. The distribution of birefringence in the radial direction was of the order of 10-7. The thermal expansion coefficient of KMF single crystals along the 〈111〉 orientation was 1.98 × 10-5 K-1. Together with its excellent mechanical properties, these characteristics show KMF to be superior to the current materials.

Original languageEnglish
Pages (from-to)6807-6809
Number of pages3
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number12 B
Publication statusPublished - 2000 Dec 1


  • Absorption edge
  • Birefringence
  • Crystal growth
  • KMgF
  • Thermal expansion coefficient

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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