ローレンツ電子顕微鏡法によるF.C.C.コバルト微粒子の磁区観察
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概要
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Ferromagnetic domains of f. c. c. cobalt fine particles prepared by gas-evaporation technique were observed by means of Lorentz electron microscopy operated at 100 to 1000kV. The observation was performed mainly with the plate-like particles below 1 μm in diameter. The following results were obtained: 1) A hexagonal plate has six magnetic domains and each domain is bounded by two 60° Néel walls. 2) A triangular plate has three domains and each domain is bounded by two 120°Néel walls. Single magnetic domain particles and the magnetic contrast for polyhedron are also discussed.
- 日本結晶学会の論文