2Flux growth and characterization of Ce-substituted Nd2Fe14B single crystals

Susner, Michael A.; Conner, Benjamin S.; Saparov, Bayrammurad I.; McGuire, Michael A.; Crumlin, Ethan J.; Veith, Gabriel M.; Cao, Huibo; Shanavas, Kavungal V.; Parker, David S.; Chakoumakos, Bryan C.; Sales, Brian C.

doi:10.1016/j.jmmm.2016.10.127

Title: 2Flux growth and characterization of Ce-substituted ${Nd}_{2} {Fe}_{14} B$ single crystals

Journal Article · Thu Oct 27 00:00:00 EDT 2016 · Journal of Magnetism and Magnetic Materials

DOI: https://doi.org/10.1016/j.jmmm.2016.10.127 · OSTI ID:1349597

Susner, Michael A. ^[1]; Conner, Benjamin S. ^[1]; Saparov, Bayrammurad I. ^[2]; McGuire, Michael A. ^[1]; Crumlin, Ethan J. ^[3]; Veith, Gabriel M. ^[1]; Cao, Huibo ^[4]; Shanavas, Kavungal V. ^[1]; Parker, David S. ^[1]; Chakoumakos, Bryan C. ^[4]; Sales, Brian C. ^[1]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division; Duke Univ., Durham, NC (United States). Dept. of Mechanical Engineering and Materials Science and the Dept. of Chemistry
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division

Single crystals of (Nd_1-xCe_x)₂Fe₁₄B are grown out of Fe-(Nd,Ce) flux. Chemical and structural analysis of the crystals indicate that (Nd_1-xCe_x)₂Fe₁₄B forms a solid solution until at least x = 0.38 with a Vegard-like variation of the lattice constants with x. Refinements of single crystal neutron diffraction data indicate that Ce has a slight site preference (7:3) for the 4g rare earth site over the 4f site. Magnetization measurements at 300 K show only small decreases with increasing Ce content in saturation magnetization (M_s) and anisotropy field (H_A), and Curie temperature (T_C). First principles calculations are carried out to understand the effect of Ce substitution on the electronic and magnetic properties. For a multitude of applications, it is expected that the advantage of incorporating lower-cost and more abundant Ce will outweigh the small adverse effects on magnetic properties. In conclusion, Ce-substituted Nd₂Fe₁₄B is therefore a potential high-performance permanent magnet material with substantially reduced Nd content.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source; Ames Lab., Ames, IA (United States). Critical Materials Institute (CMI)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Advanced Manufacturing Office (EE-5A); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); ORNL work for others

Grant/Contract Number:: AC05-00OR22725; AC02-05CH11231

OSTI ID:: 1349597

Journal Information:: Journal of Magnetism and Magnetic Materials, Journal Name: Journal of Magnetism and Magnetic Materials Journal Issue: C Vol. 434; ISSN 0304-8853

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (4)

Magnetic hardening of Nd-Ce-Fe-B films with high Ce concentration Ren, Hanyang; Abbas, Nadeem; Liu, Yang Scientific Reports, Vol. 8, Issue 1 https://doi.org/10.1038/s41598-018-29907-4	journal	August 2018
Borderline Magnetism: How Adding Mg to Paramagnetic Ce Co 3 Makes a 450-K Ferromagnet with Large Magnetic Anisotropy Pandey, Tribhuwan; Parker, David S. Physical Review Applied, Vol. 10, Issue 3 https://doi.org/10.1103/physrevapplied.10.034038	journal	September 2018
Single-Crystal Permanent Magnets: Extraordinary Magnetic Behavior in the Ta -, Cu -, and Fe -Substituted Ce Co 5 Systems Lamichhane, Tej N.; Onyszczak, Michael T.; Palasyuk, Olena Physical Review Applied, Vol. 11, Issue 1 https://doi.org/10.1103/physrevapplied.11.014052	journal	January 2019
Tuning the Magnetic Properties and Structural Stabilities of the 2-17-3 Magnets Sm 2 Fe 17 X 3 ( X = C , N) by Substituting La or Ce for Sm Pandey, Tribhuwan; Du, Mao-Hua; Parker, David S. Physical Review Applied, Vol. 9, Issue 3 https://doi.org/10.1103/physrevapplied.9.034002	journal	March 2018

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Title: 2Flux growth and characterization of Ce-substituted Nd 2 Fe 14 B single crystals

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References (37)

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Title: 2Flux growth and characterization of Ce-substituted ${Nd}_{2} {Fe}_{14} B$ single crystals