Structural Studies of Supercritical Fluid Selenium Using X-ray Diffraction and XAFS Techniques.

• Tamura K.

  Faculty of Integrated Arts and Sciences, Hiroshima University

書誌事項

タイトル別名

• Structural Studies of Supercritical Flu

抄録

Recent experimental results on the structural properties of expanded fluid Se using X-ray diffraction and XAFS techniques are described. The energy-dispersive X-ray diffraction measurements have been carried out up to the supercritical region including the semiconductor-metal (SC-M) transition region. We have revealed that the twofold coordinated structure is largely preserved even in the metallic region and the bond shortening occurs on the SC-M transition, which has been confirmed by the XAFS measurement. On the basis of these findings we propose the idea that the existence of the small chain molecule with the planar zig-zag conformation may cause the transition to the metallic state.

収録刊行物

• 高圧力の科学と技術

  高圧力の科学と技術 7 239-244, 1998

  日本高圧力学会

キーワード

• fluid selenium
• supercritical fluid
• semiconductor-metal transition
• X-ray diffraction
• XAFS

詳細情報

• CRID: 1390001204381553664
• NII論文ID: 10002689607
• NII書誌ID: AN10452913
• DOI: 10.4131/jshpreview.7.239
• ISSN: 13481940
• ISSN: 0917639X
• NDL書誌ID: 4493890
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4493890
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可