Crystal Structure and External Shape of Fine Particles of Beryllium Produced by Evaporation in Inert Gases at Low Pressures

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概要

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• It has been found by electron microscopy and electron diffraction that fine particles with the monoclinic lattice are formed in beryllium smoke produced by the evaporation of beryllium metal in inert gases at low pressures. The lattice constants are determined as a=5.49, b=6.10, c=4.10 Å and β=98.5° within an error of 0.2%, the space group is either C^4_s or C^6_<2h>, and the external shape of the particles is very like a rhombic dodecahedron. This monoclinic beryllium is a new allotrope of beryllium. Rhombic dodecahedral particles of α-beryllium are also found, produced from the monoclinic particles by martensitic transformation.

• 社団法人応用物理学会の論文
• 1981-03-05

著者

• Fukano Yasushige

  Department Of General Education Nagoya University

• NAKAO Katsuji

  Department of General Education, Nagoya University

• Nakao Katsuji

  Department Of General Education Nagoya University

関連論文

• Mean Size and Size Distribution of Metal Fine Particles Produced by Gas Evaporation Technique
• Fine Alloy Particles Prepared by Evaporation in Argon at Low Pressures
• Crystal Structure and External Shape of Fine Particles of Beryllium Produced by Evaporation in Inert Gases at Low Pressures
• Particles of γ-Iron Quenched at Room Temperature

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