Magnetic Properties of Single-Domain Iron and Iron-Cobalt Particles Prepared by Borohydride Reduction
- 1 March 1961
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 32 (3) , S184-S185
- https://doi.org/10.1063/1.2000393
Abstract
Air-stable, single-domain Fe and Fe-Co particles prepared by the reaction of the metal salts with aqueous borohydride have higher coercivities and axial ratios if prepared in a magnetic field. Oxide and boride impurities are indicated by elemental analyses and lowered saturation magnetizations. Studies of coercivities and magnetizations as a function of temperature, remanence ratios, and rotational hysteresis measurements indicate single-domain behavior with coercivity controlled by shape and somewhat by crystalline anisotropy in approximate agreement with the predictions of the Jacobs-Bean “chain of spheres” model.This publication has 5 references indexed in Scilit:
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