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Title: Reinvestigation of the intrinsic magnetic properties of (Fe1–$$x$$Co$$x$$)2B alloys and crystallization behavior of ribbons

Abstract

In this paper, new determination of the magnetic anisotropy from single crystals of ( Fe 1 - x Co x ) 2 B alloys are presented. The anomalous temperature dependence of the anisotropy constant is discussed using the standard Callen-Callen theory, which is shown to be insufficient to explain the experimental results. A more material specific study using first-principles calculations with disordered moments approach gives a much more consistent interpretation of the experimental data. Since the intrinsic properties of the alloys with x = 0.3 - 0.35 are promising for permanent magnets applications, initial investigation of the extrinsic properties are described, in particular the crystallization of melt spun ribbons with Cu, Al, and Ti additions. Previous attempts at developing a significant hysteresis have been unsuccessful in this system. Our melt-spinning experiment indicates that this system shows rapid crystallization.

Authors:
 [1];  [2];  [3];  [4];  [4];  [3];  [3];  [1];  [3];  [1];  [3];  [1];  [5]
+ Show Author Affiliations
  1. Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy; Ames Lab., Ames, IA (United States)
  2. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States). Dept. of Materials Science and Engineering
  3. Ames Lab., Ames, IA (United States)
  4. Univ. of Nebraska, Lincoln, NE (United States). Dept. of Physics and Astronomy and Nebraska Center for Materials and Nanoscience
  5. Ames Lab., Ames, IA (United States); Univ. of California, Davis, CA (United States). Dept. of Physics
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Science Foundation (NSF)
OSTI Identifier:
1650016
Alternate Identifier(s):
OSTI ID: 1896822
Report Number(s):
IS-J-10,276
Journal ID: ISSN 0304-8853
Grant/Contract Number:  
AC02-07CH11358; DMR-1609776
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Magnetism and Magnetic Materials
Additional Journal Information:
Journal Volume: 513; Journal ID: ISSN 0304-8853
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; temperature dependent anisotropy; single crystals; melt-spun ribbons

Citation Formats

Lamichhane, Tej Nath, Palasyuk, Olena, Antropov, Vladimir P., Zhuravlev, Ivan A., Belashchenko, Kirill D., Nlebedim, Ikenna C., Dennis, Kevin W., Jesche, Anton, Kramer, Matthew J., Bud’ko, Sergey L., McCallum, R. William, Canfield, Paul C., and Taufour, Valentin. Reinvestigation of the intrinsic magnetic properties of (Fe1–$x$Co$x$)2B alloys and crystallization behavior of ribbons. United States: N. p., 2020. Web. doi:10.1016/j.jmmm.2020.167214.
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Lamichhane, Tej Nath, Palasyuk, Olena, Antropov, Vladimir P., Zhuravlev, Ivan A., Belashchenko, Kirill D., Nlebedim, Ikenna C., Dennis, Kevin W., Jesche, Anton, Kramer, Matthew J., Bud’ko, Sergey L., McCallum, R. William, Canfield, Paul C., & Taufour, Valentin. Reinvestigation of the intrinsic magnetic properties of (Fe1–$x$Co$x$)2B alloys and crystallization behavior of ribbons. United States. https://doi.org/10.1016/j.jmmm.2020.167214
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Lamichhane, Tej Nath, Palasyuk, Olena, Antropov, Vladimir P., Zhuravlev, Ivan A., Belashchenko, Kirill D., Nlebedim, Ikenna C., Dennis, Kevin W., Jesche, Anton, Kramer, Matthew J., Bud’ko, Sergey L., McCallum, R. William, Canfield, Paul C., and Taufour, Valentin. Wed . "Reinvestigation of the intrinsic magnetic properties of (Fe1–$x$Co$x$)2B alloys and crystallization behavior of ribbons". United States. https://doi.org/10.1016/j.jmmm.2020.167214. https://www.osti.gov/servlets/purl/1650016.
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@article{osti_1650016,
title = {Reinvestigation of the intrinsic magnetic properties of (Fe1–$x$Co$x$)2B alloys and crystallization behavior of ribbons},
author = {Lamichhane, Tej Nath and Palasyuk, Olena and Antropov, Vladimir P. and Zhuravlev, Ivan A. and Belashchenko, Kirill D. and Nlebedim, Ikenna C. and Dennis, Kevin W. and Jesche, Anton and Kramer, Matthew J. and Bud’ko, Sergey L. and McCallum, R. William and Canfield, Paul C. and Taufour, Valentin},
abstractNote = {In this paper, new determination of the magnetic anisotropy from single crystals of (Fe1-xCox)2B alloys are presented. The anomalous temperature dependence of the anisotropy constant is discussed using the standard Callen-Callen theory, which is shown to be insufficient to explain the experimental results. A more material specific study using first-principles calculations with disordered moments approach gives a much more consistent interpretation of the experimental data. Since the intrinsic properties of the alloys with x=0.3-0.35 are promising for permanent magnets applications, initial investigation of the extrinsic properties are described, in particular the crystallization of melt spun ribbons with Cu, Al, and Ti additions. Previous attempts at developing a significant hysteresis have been unsuccessful in this system. Our melt-spinning experiment indicates that this system shows rapid crystallization.},
doi = {10.1016/j.jmmm.2020.167214},
journal = {Journal of Magnetism and Magnetic Materials},
number = ,
volume = 513,
place = {United States},
year = {Wed Jul 22 00:00:00 EDT 2020},
month = {Wed Jul 22 00:00:00 EDT 2020}
}
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https://doi.org/10.1016/j.jmmm.2020.167214
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