Thermodynamics of SmCo5 compound doped with Fe and Ni: An ab initio study

Landa, A.; Söderlind, P.; Parker, D.; Åberg, D.; Lordi, V.; Perron, A.; Turchi, P. E. A.; Chouhan, R. K.; Paudyal, D.; Lograsso, T. A.

doi:10.1016/j.jallcom.2018.06.264

Thermodynamics of SmCo₅ compound doped with Fe and Ni: An ab initio study

Journal Article · Sat Jun 23 00:00:00 EDT 2018 · Journal of Alloys and Compounds

DOI:https://doi.org/10.1016/j.jallcom.2018.06.264· OSTI ID:1465276

^[1]; Söderlind, P. ^[1]; Parker, D. ^[2]; Åberg, D. ^[1]; Lordi, V. ^[1]; Perron, A. ^[1]; Turchi, P. E. A. ^[1]; Chouhan, R. K. ^[3]; Paudyal, D. ^[3]; Lograsso, T. A. ^[4]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Ames Lab., Ames, IA (United States)
Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States). Dept. of Materials Science and Engineering

SmCo₅ permanent magnets exhibit enormous uniaxial magnetocrystalline anisotropy energy and have a high Curie temperature. Furthermore, their low energy product is a significant deficiency. In this paper, to increase the energy product in SmCo₅, we propose substituting cobalt with iron, that has a much larger magnetic moment, in a SmCoNiFe₃ magnet where nickel is used as a thermodynamic stabilizer.

View Accepted Manuscript (DOE)

Research Organization:: Ames Lab., Ames, IA (United States); Ames Laboratory (AMES), Ames, IA (United States); Iowa State Univ., Ames, IA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Advanced Manufacturing Office (EE-5A)

Grant/Contract Number:: AC02-07CH11358; AC05-00OR22725; AC52-07NA27344

OSTI ID:: 1465276

Alternate ID(s):: OSTI ID: 1545166
OSTI ID: 1478230

Report Number(s):: IS-J--9780; LLNL-JRNL--743621; 898616

Journal Information:: Journal of Alloys and Compounds, Journal Name: Journal of Alloys and Compounds Vol. 765; ISSN 0925-8388

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Low-cost Sm0.7Y0.3Co5 sintered magnet produced by traditional powder metallurgical techniques Zhang, Dong-Tao; Cai, Nai-Xing; Zhu, Rong-Chun Rare Metals, Vol. 39, Issue 4 https://doi.org/10.1007/s12598-019-01257-8	journal	April 2019
Anisotropy and orbital moment in Sm-Co permanent magnets Das, Bhaskar; Choudhary, Renu; Skomski, Ralph Physical Review B, Vol. 100, Issue 2 https://doi.org/10.1103/physrevb.100.024419	journal	July 2019