Volume 38, Issue 1 (Journal of Advanced Materials-Spring 2019)
2019, 38(1): 13-21 |
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Hakimi M, Safari M. Improving the Magnetic Properties Co2FeSi Heusler Compound by Modifying the Crystalline Order in Different Manufacturing Procedures. Journal of Advanced Materials in Engineering (Esteghlal) 2019; 38 (1) :13-21
URL: http://jame.iut.ac.ir/article-1-884-en.html
URL: http://jame.iut.ac.ir/article-1-884-en.html
Research and Technology of Magnetism Lab. physics Department, Yazd University, Yazd, Iran. , hakimi.m@yazd.ac.ir
Abstract: (5553 Views)
In this study, the improvement of the magnetic properties of Co2FeSi Heusler compound was followed by the utilization of different experimental synthesizing procedures. Comparing the crystal structure showed that the milled samples had a higher crystalline order than the arc-melted ones. Annealing of the milled sample improved the crystalline order, resulting in the highest saturation magnetization (5/24 μB/F.u.). The difference in the saturation magnetization of the other samples was explained by the core-shell model. Comparison of the various coercivity mechanisms showed that the decrease in the size of crystallites played a key role in the higher value of the milled samples coercivity.
Keywords: Heusler Alloys, Crystalline ordering, Magnetization, Core-shell, Coercivity milling, Arc-melting.
Type of Study: Research |
Subject:
Electronic and magnetic materials
Received: 2017/02/22 | Accepted: 2018/12/4 | Published: 2019/06/15
Received: 2017/02/22 | Accepted: 2018/12/4 | Published: 2019/06/15
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