Ce3-xMgxCo9 : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet

Lamichhane, Tej N.; Taufour, Valentin; Palasyuk, Andriy; Lin, Qisheng; Bud’ko, Sergey L.; Canfield, Paul C.

doi:10.1103/PhysRevApplied.9.024023

Title: ${Ce}_{3 - x} {Mg}_{x} {Co}_{9}$ : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet

Abstract

In this article we report on the synthesis of single-crystal and polycrystalline samples of Ce_3-xMg_xCo₉ solid solution (0 ≤ x ≲ 1.4) and characterization of their structural and magnetic properties. The crystal structure remains rhombohedral in the whole composition range and Mg partially replaces Ce in the 6c site of the CeCo₃ structure. Ferromagnetism is induced by Mg substitutions starting as low as x = 0.18 and reaching a Curie temperature as high as 450 K for x = 1.35 . Measurements on single crystals with x = 1.34 and T_C = 440 K indicate an axial magnetic anisotropy with an anisotropy field of 6 T and a magnetization of 6 μ_B/f.u. at 300 K. Coercicity is observed in the polycrystalline samples consistent with the observed axial magnetic anisotropy. Our discovery of ferromagnetism with large axial magnetic anisotropy induced by substituting a rare-earth element by Mg is a very promising result in the search of inexpensive permanent-magnet materials and suggests that other nonmagnetic phases, similar to CeCo₃, may also conceal nearby ferromagnetic phases.

Authors:

Lamichhane, Tej N. ^[1]; Taufour, Valentin ^[2]; Palasyuk, Andriy ^[3]; Lin, Qisheng ^[3]; Bud’ko, Sergey L. ^[1]; Canfield, Paul C. ^[1]

Ames Lab. and Iowa State Univ., Ames, IA (United States) and Dept. of Physics and Astronomy
Ames Lab. and Iowa State Univ., Ames, IA (United States); Univ. of California, Davis, CA (United States). Dept. of Physics
Ames Lab. and Iowa State Univ., Ames, IA (United States)

Publication Date:: 2018-02-23

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Office of Science (SC), Basic Energy Sciences (BES); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Critical Materials Institute (CMI)

OSTI Identifier:: 1422758

Alternate Identifier(s):: OSTI ID: 1422437

Report Number(s):: IS-J-9568
Journal ID: ISSN 2331-7019; PRAHB2; TRN: US1801654

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Applied

Additional Journal Information:: Journal Volume: 9; Journal Issue: 2; Journal ID: ISSN 2331-7019

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


                    Lamichhane, Tej N., Taufour, Valentin, Palasyuk, Andriy, Lin, Qisheng, Bud’ko, Sergey L., and Canfield, Paul C. Ce3-xMgxCo9 : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet.  United States: N. p., 2018. 
Web.  https://doi.org/10.1103/PhysRevApplied.9.024023.

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                    Lamichhane, Tej N., Taufour, Valentin, Palasyuk, Andriy, Lin, Qisheng, Bud’ko, Sergey L., & Canfield, Paul C. Ce3-xMgxCo9 : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet.  United States.  https://doi.org/10.1103/PhysRevApplied.9.024023

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                    Lamichhane, Tej N., Taufour, Valentin, Palasyuk, Andriy, Lin, Qisheng, Bud’ko, Sergey L., and Canfield, Paul C. Fri .  
"Ce3-xMgxCo9 : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet".  United States.  https://doi.org/10.1103/PhysRevApplied.9.024023.  https://www.osti.gov/servlets/purl/1422758.

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@article{osti_1422758,

  title        = {Ce3-xMgxCo9 : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet},

  author       = {Lamichhane, Tej N. and Taufour, Valentin and Palasyuk, Andriy and Lin, Qisheng and Bud’ko, Sergey L. and Canfield, Paul C.},

  abstractNote = {In this article we report on the synthesis of single-crystal and polycrystalline samples of Ce3-xMgxCo9 solid solution (0 ≤ x ≲ 1.4) and characterization of their structural and magnetic properties. The crystal structure remains rhombohedral in the whole composition range and Mg partially replaces Ce in the 6c site of the CeCo3 structure. Ferromagnetism is induced by Mg substitutions starting as low as x = 0.18 and reaching a Curie temperature as high as 450 K for x = 1.35 . Measurements on single crystals with x = 1.34 and TC = 440 K indicate an axial magnetic anisotropy with an anisotropy field of 6 T and a magnetization of 6 μB/f.u. at 300 K. Coercicity is observed in the polycrystalline samples consistent with the observed axial magnetic anisotropy. Our discovery of ferromagnetism with large axial magnetic anisotropy induced by substituting a rare-earth element by Mg is a very promising result in the search of inexpensive permanent-magnet materials and suggests that other nonmagnetic phases, similar to CeCo3, may also conceal nearby ferromagnetic phases.},

  doi          = {10.1103/PhysRevApplied.9.024023},

  journal      = {Physical Review Applied},

  number       = 2,

  volume       = 9,

  place        = {United States},

  year         = {2018},

  month        = {2}

}

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Works referenced in this record:

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Crystal structure, hydrogen absorption-desorption behavior and magnetic properties of the Nd3−Mg Co9 alloys
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Canfield, Paul C.; Fisher, Ian R.
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Xie, Feng; Zhang, Ting An; Dreisinger, David
Minerals Engineering, Vol. 56
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Structural and Ferromagnetic Properties of an Orthorhombic Phase of MnBi Stabilized with Rh Additions
journal, July 2015

Taufour, Valentin; Thimmaiah, Srinivasa; March, Stephen
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Works referencing / citing this record:

Borderline Magnetism: How Adding $Mg$ to Paramagnetic $Ce {Co}_{3}$ Makes a 450-K Ferromagnet with Large Magnetic Anisotropy
journal, September 2018

Pandey, Tribhuwan; Parker, David S.
Physical Review Applied, Vol. 10, Issue 3
DOI: 10.1103/physrevapplied.10.034038

Single-Crystal Permanent Magnets: Extraordinary Magnetic Behavior in the $Ta$ -, $Cu$ -, and $Fe$ -Substituted ${Ce Co}_{5}$ Systems
journal, January 2019

Lamichhane, Tej N.; Onyszczak, Michael T.; Palasyuk, Olena
Physical Review Applied, Vol. 11, Issue 1
DOI: 10.1103/physrevapplied.11.014052

Synthesis and crystal structure of new compounds from the Y–Mg–Ni system
journal, January 2019

Shtender, Vitalii V.; Pavlyuk, Volodymyr V.; Dmytriv, Grygoriy S.
Zeitschrift für Kristallographie - Crystalline Materials, Vol. 234, Issue 1
DOI: 10.1515/zkri-2018-2107

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Title: Ce 3 - x Mg x Co 9 : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet

Abstract

Citation Formats

Magnetic properties of NdCo3 and its γ-phase hydride NdCo3H4.1 journal, December 1993

Cerium: An Unlikely Replacement of Dysprosium in High Performance Nd-Fe-B Permanent Magnets journal, March 2015

A study of the physical properties of single crystalline Fe5B2P journal, March 2016

X-Ray diffraction on large single crystals using a powder diffractometer journal, June 2016

EXPGUI , a graphical user interface for GSAS journal, April 2001

New CeMgCo4 and Ce2MgCo9 compounds: Hydrogenation properties and crystal structure of hydrides journal, March 2012

Discovery of ferromagnetism with large magnetic anisotropy in ZrMnP and HfMnP journal, August 2016

Crystal structure, hydrogen absorption-desorption behavior and magnetic properties of the Nd3−Mg Co9 alloys journal, February 2017

High-temperature solution growth of intermetallic single crystals and quasicrystals journal, May 2001

Magnetic properties of CeCo3, Ce2Co7 and CeNi3 and their ternary hydrides journal, August 1980

A critical review on solvent extraction of rare earths from aqueous solutions journal, February 2014

Structural and Ferromagnetic Properties of an Orthorhombic Phase of MnBi Stabilized with Rh Additions journal, July 2015

Borderline Magnetism: How Adding Mg to Paramagnetic Ce Co 3 Makes a 450-K Ferromagnet with Large Magnetic Anisotropy journal, September 2018

Single-Crystal Permanent Magnets: Extraordinary Magnetic Behavior in the Ta -, Cu -, and Fe -Substituted Ce Co 5 Systems journal, January 2019

Synthesis and crystal structure of new compounds from the Y–Mg–Ni system journal, January 2019

Title: ${Ce}_{3 - x} {Mg}_{x} {Co}_{9}$ : Transformation of a Pauli Paramagnet into a Strong Permanent Magnet

Magnetic properties of NdCo3 and its γ-phase hydride NdCo3H4.1
journal, December 1993

Cerium: An Unlikely Replacement of Dysprosium in High Performance Nd-Fe-B Permanent Magnets
journal, March 2015

A study of the physical properties of single crystalline Fe5B2P
journal, March 2016

X-Ray diffraction on large single crystals using a powder diffractometer
journal, June 2016

EXPGUI , a graphical user interface for GSAS
journal, April 2001

New CeMgCo4 and Ce2MgCo9 compounds: Hydrogenation properties and crystal structure of hydrides
journal, March 2012

Discovery of ferromagnetism with large magnetic anisotropy in ZrMnP and HfMnP
journal, August 2016

Crystal structure, hydrogen absorption-desorption behavior and magnetic properties of the Nd3−Mg Co9 alloys
journal, February 2017

High-temperature solution growth of intermetallic single crystals and quasicrystals
journal, May 2001

Magnetic properties of CeCo3, Ce2Co7 and CeNi3 and their ternary hydrides
journal, August 1980

A critical review on solvent extraction of rare earths from aqueous solutions
journal, February 2014

Structural and Ferromagnetic Properties of an Orthorhombic Phase of MnBi Stabilized with Rh Additions
journal, July 2015

Borderline Magnetism: How Adding $Mg$ to Paramagnetic $Ce {Co}_{3}$ Makes a 450-K Ferromagnet with Large Magnetic Anisotropy
journal, September 2018

Single-Crystal Permanent Magnets: Extraordinary Magnetic Behavior in the $Ta$ -, $Cu$ -, and $Fe$ -Substituted ${Ce Co}_{5}$ Systems
journal, January 2019

Synthesis and crystal structure of new compounds from the Y–Mg–Ni system
journal, January 2019