Granular Magnetism-Reference-Cited by-同舟云学术

Granular Magnetism

Published:1990 Issue: Volume:195 Page:
ISSN:0272-9172
Container-title:MRS Proceedings
language:en
Short-container-title:MRS Proc.

Author:

Chien C.L.

Abstract

ABSTRACTRecent studies of granular magnetic solids involving Fe and its alloys embedded in either an insulating medium (e.g. SiO2 A12O3) or a metallic medium are described. Below the percolation threshold, isolated magnetic granular exhibit single-domain properties and superparamagnetic relaxation. Giant coercivity has been uncovered in granular Fe-SiO2, with Hc- as high as 3 kOe at 5 K and 1.1 kOe at 300 K. Some recent results on granular Fe in a metallic medium, and other granular magnetic systems will also be discussed.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

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4. Recent developments in magnetic recording materials (invited)

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