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Title: Structural and magnetic properties of the CeCo 5–CeZn 5 solid solution and potential improvements upon iron substitution

Abstract

In an effort to create high-performance permanent magnets with reduced critical rare earth content, we explored the CeCo 5-xT x (T = transition metal or metalloid) family of compounds to investigate the effect of substitution on the material’s magnetic properties. In our exploration of the CeCo 5-xZn x system, we discovered a continuous solid solution at 900 °C between the CeCo 5 and CeZn 5 binary phases with ferromagnetism existing from the CeCo 5 compound to the intermediate CeCo 2.75Zn 2.25 compound. Single crystal studies were also conducted revealing a relatively large anisotropy field of 11.5 T at 300 K for Ce 0.96Ta 0.04Co 4.35Zn 0.65. Here, the addition of iron Ce 0.79Ta 0.07Co 3.77Fe 0.89Zn 0.47 yielded further increases in Curie temperature and saturation magnetization to 800 K and 85.5 emu/g, respectively.

Authors:
 [1];  [1];  [1];  [1]; ORCiD logo [1]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1506103
Alternate Identifier(s):
OSTI ID: 1636484
Report Number(s):
IS-J-9919
Journal ID: ISSN 0304-8853
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Magnetism and Magnetic Materials
Additional Journal Information:
Journal Volume: 482; Journal Issue: C; Journal ID: ISSN 0304-8853
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Single crystal; Magnetization; Demagnetization factor; Arrott plot; Transition temperature; Anisotropy constant

Citation Formats

Onyszczak, Michael T., Lamichhane, Tej N., Bud’ko, Sergey L., Canfield, Paul C., and Palasyuk, Andriy. Structural and magnetic properties of the CeCo5–CeZn5 solid solution and potential improvements upon iron substitution. United States: N. p., 2019. Web. doi:10.1016/j.jmmm.2019.03.024.
Onyszczak, Michael T., Lamichhane, Tej N., Bud’ko, Sergey L., Canfield, Paul C., & Palasyuk, Andriy. Structural and magnetic properties of the CeCo5–CeZn5 solid solution and potential improvements upon iron substitution. United States. doi:10.1016/j.jmmm.2019.03.024.
Onyszczak, Michael T., Lamichhane, Tej N., Bud’ko, Sergey L., Canfield, Paul C., and Palasyuk, Andriy. Wed . "Structural and magnetic properties of the CeCo5–CeZn5 solid solution and potential improvements upon iron substitution". United States. doi:10.1016/j.jmmm.2019.03.024. https://www.osti.gov/servlets/purl/1506103.
@article{osti_1506103,
title = {Structural and magnetic properties of the CeCo5–CeZn5 solid solution and potential improvements upon iron substitution},
author = {Onyszczak, Michael T. and Lamichhane, Tej N. and Bud’ko, Sergey L. and Canfield, Paul C. and Palasyuk, Andriy},
abstractNote = {In an effort to create high-performance permanent magnets with reduced critical rare earth content, we explored the CeCo5-xTx (T = transition metal or metalloid) family of compounds to investigate the effect of substitution on the material’s magnetic properties. In our exploration of the CeCo5-xZnx system, we discovered a continuous solid solution at 900 °C between the CeCo5 and CeZn5 binary phases with ferromagnetism existing from the CeCo5 compound to the intermediate CeCo2.75Zn2.25 compound. Single crystal studies were also conducted revealing a relatively large anisotropy field of 11.5 T at 300 K for Ce0.96Ta0.04Co4.35Zn0.65. Here, the addition of iron Ce0.79Ta0.07Co3.77Fe0.89Zn0.47 yielded further increases in Curie temperature and saturation magnetization to 800 K and 85.5 emu/g, respectively.},
doi = {10.1016/j.jmmm.2019.03.024},
journal = {Journal of Magnetism and Magnetic Materials},
issn = {0304-8853},
number = C,
volume = 482,
place = {United States},
year = {2019},
month = {3}
}

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