Al2O3 coated α-Fe solid solution nanocapsules prepared by arc discharge
Scripta materialia, 2003•Elsevier
Al2O3 coated α-Fe solid solution nanocapsules are prepared by arc-discharging a bulk
AlNiCo permanent magnet. The size of the nanocapsule is in range of 3–300 nm and the
thickness of the shell is 1–6 nm. Al atoms in the AlNiCo magnet form the shell of amorphous
Al2O3 to prevent the nanocapsules from further oxidation. The magnetic properties of
saturation magnetization Js= 85 Am2/kg and coercive force jH c= 27.5 kA/m are achieved for
the nanocapsules.
AlNiCo permanent magnet. The size of the nanocapsule is in range of 3–300 nm and the
thickness of the shell is 1–6 nm. Al atoms in the AlNiCo magnet form the shell of amorphous
Al2O3 to prevent the nanocapsules from further oxidation. The magnetic properties of
saturation magnetization Js= 85 Am2/kg and coercive force jH c= 27.5 kA/m are achieved for
the nanocapsules.
Al2O3 coated α-Fe solid solution nanocapsules are prepared by arc-discharging a bulk AlNiCo permanent magnet. The size of the nanocapsule is in range of 3–300 nm and the thickness of the shell is 1–6 nm. Al atoms in the AlNiCo magnet form the shell of amorphous Al2O3 to prevent the nanocapsules from further oxidation. The magnetic properties of saturation magnetization Js=85 Am2/kg and coercive force jH c =27.5 kA/m are achieved for the nanocapsules.
Elsevier
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