Hard magnetic properties of Fe16N2 magnets

Author:

Saito Tetsuji1ORCID,Yamamoto Hitoshi2ORCID

Affiliation:

1. Department of Advanced Materials Science and Engineering, Chiba Institute of Technology 1 , Narashino, Chiba 275-8588, Japan

2. Neoji-consul 2 , Kyoto 604-8127, Japan

Abstract

Fe16N2 nanopowder composed of the α″-Fe16N2 phase exhibited a high saturation magnetization of 168 emu/g and a relatively high coercivity of 2.65 kOe under magnetic measurements with a DC magnetic field of 25 kOe at room temperature. A thermal study revealed that the α″-Fe16N2 phase in the Fe16N2 nanopowder was thermally stable up to 539 K. Fe16N2 nanopowder is, therefore, a prospective candidate for rare-earth-free magnets.

Funder

Nippon Sheet Glass Foundation for Materials Science and Engineering

Publisher

AIP Publishing

Subject

General Physics and Astronomy

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