Magnetic Properties of Iron in Nanocapsules
- 1 January 1994
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 33 (1A), L24
- https://doi.org/10.1143/jjap.33.l24
Abstract
We have studied the magnetic properties of fine particles of iron and iron carbide nested in carbon cages (nanocapsules), which were synthesized by arc discharge of carbon rods. It is clarified by Mössbauer spectroscopy and thermomagnetic ( M-T ) curve that these particles consist of α-Fe, γ-Fe and Fe3C. Their coercive force is larger than that of bulk α-iron, being ascribed to the small particle size observed by high-resolution (HR) transmission electron microscopy (TEM).Keywords
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