The microstructure and magnetic properties of nano-scale Fe magnetic particles precipitated in a Cu

The microstructure and magnetic properties of nano-scale Fe magnetic particles precipitated in a Cu–Fe alloy

Published:2010-03-01 Issue:3 Volume:101 Page:361-365
ISSN:2195-8556
Container-title:International Journal of Materials Research
language:en
Short-container-title:

Author:

Wada Naoya¹,Takamatsu Kumiko¹,Takeda Mahoto¹,Takeguchi Masaki²,Blanchin Marie-Gevenieve³

Affiliation:

1. Department of Mechanical Engineering and Materials Science (SEISAN), Yokohama National University, Yokohama, Japan

2. National Institute for Materials Science, Tsukuba, Japan

3. Laboratoire de Physique de la Matière Condensée et Nanostructures, Université Claude Bernard Lyon I, Villeurbanne, France

Abstract

Abstract The evolution of nano-scale Fe particles precipitated in a Cu – Fe alloy has been examined from the viewpoint of the relationship between the microstructure and magnetic properties, using conventional, high-resolution and Lorentz electron microscopy, and magnetic measurements. It has been revealed that spherical Fe particles have a tendency to align along the <001> direction in a Cu matrix at the early stage of precipitation. A twin-like structure developed when spherical Fe particles grew to approximately 40 to 60 nm in size. Lorentz microscopy was successfully applied to determine the direction and magnitude of the magnetic momentum of Fe particles.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

Link

https://www.degruyter.com/document/doi/10.3139/146.110288/pdf

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