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Title: Prediction of the new efficient permanent magnet SmCoNiFe 3

Abstract

Here, we propose a new efficient permanent magnet, SmCoNiFe3, which is a development of the well-known SmCo5 prototype. More modern neodymium magnets of the Nd-Fe-B type have an advantage over SmCo5 because of their greater maximum energy products due to their iron-rich stoichiometry. Our new magnet, however, removes most of this disadvantage of SmCo5 while preserving its superior high-temperature efficiency over the neodymium magnets. We show by means of first-principles electronic-structure calculations that SmCoNiFe3 has very favorable magnetic properties and could therefore potentially replace SmCo5 or Nd-Fe-B types in various applications.

Authors:
 [1];  [1];  [2];  [1];  [2];  [2];  [1];  [1];  [3];  [2]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Uppsala Univ., Uppsala (Sweden)
  3. Ames Lab., Ames, IA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1415550
Alternate Identifier(s):
OSTI ID: 1390377
Report Number(s):
LLNL-JRNL-717280
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1800834
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 96; Journal Issue: 10; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Soderlind, P., Landa, A., Locht, I. L. M., Aberg, D., Kvashnin, Y., Pereiro, M., Dane, M., Turchi, P. E. A., Antropov, V. P., and Eriksson, O. Prediction of the new efficient permanent magnet SmCoNiFe3. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.96.100404.
Soderlind, P., Landa, A., Locht, I. L. M., Aberg, D., Kvashnin, Y., Pereiro, M., Dane, M., Turchi, P. E. A., Antropov, V. P., & Eriksson, O. Prediction of the new efficient permanent magnet SmCoNiFe3. United States. https://doi.org/10.1103/PhysRevB.96.100404
Soderlind, P., Landa, A., Locht, I. L. M., Aberg, D., Kvashnin, Y., Pereiro, M., Dane, M., Turchi, P. E. A., Antropov, V. P., and Eriksson, O. Thu . "Prediction of the new efficient permanent magnet SmCoNiFe3". United States. https://doi.org/10.1103/PhysRevB.96.100404. https://www.osti.gov/servlets/purl/1415550.
@article{osti_1415550,
title = {Prediction of the new efficient permanent magnet SmCoNiFe3},
author = {Soderlind, P. and Landa, A. and Locht, I. L. M. and Aberg, D. and Kvashnin, Y. and Pereiro, M. and Dane, M. and Turchi, P. E. A. and Antropov, V. P. and Eriksson, O.},
abstractNote = {Here, we propose a new efficient permanent magnet, SmCoNiFe3, which is a development of the well-known SmCo5 prototype. More modern neodymium magnets of the Nd-Fe-B type have an advantage over SmCo5 because of their greater maximum energy products due to their iron-rich stoichiometry. Our new magnet, however, removes most of this disadvantage of SmCo5 while preserving its superior high-temperature efficiency over the neodymium magnets. We show by means of first-principles electronic-structure calculations that SmCoNiFe3 has very favorable magnetic properties and could therefore potentially replace SmCo5 or Nd-Fe-B types in various applications.},
doi = {10.1103/PhysRevB.96.100404},
journal = {Physical Review B},
number = 10,
volume = 96,
place = {United States},
year = {Thu Sep 14 00:00:00 EDT 2017},
month = {Thu Sep 14 00:00:00 EDT 2017}
}

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Cited by: 30 works
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Works referencing / citing this record:

Structural, Electronic, and Magnetic Properties of Hard Magnetic SmNi2Fe Compound: a DFT Study
journal, June 2019

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Anisotropy and orbital moment in Sm-Co permanent magnets
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Exchange Interactions and Curie Temperature of Ce-Substituted SmCo5
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