Pressure-induced suppression of ferromagnetism in the itinerant ferromagnet ${\mathrm{LaCrSb}}_{3}$

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Pressure-induced suppression of ferromagnetism in the itinerant ferromagnet ${LaCrSb}_{3}$

Z. E. Brubaker, J. S. Harvey, J. R. Badger, R. R. Ullah, D. J. Campbell, Y. Xiao, P. Chow, C. Kenney-Benson, J. S. Smith, C. Reynolds, J. Paglione, R. J. Zieve, J. R. Jeffries, and V. Taufour

Phys. Rev. B 101, 214408 – Published 3 June 2020

Abstract

We have performed an extensive pressure-dependent structural, spectroscopic, and electrical transport study of ${LaCrSb}_{3}$ . The ferromagnetic phase ( $T_{C} = 120$ K at p = 0 GPa) is fully suppressed by p = 26.5 GPa and the Cr moment decreases steadily with increasing pressure. The unit-cell volume decreases smoothly up to p = 55 GPa. We find that the bulk modulus and suppression of the magnetism are in good agreement with theoretical predictions, but the Cr moment decreases smoothly with pressure, in contrast to steplike drops predicted by theory. The ferromagnetic ordering temperature appears to be driven by the Cr moment.

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Received 7 April 2020
Revised 7 May 2020
Accepted 12 May 2020

DOI:https://doi.org/10.1103/PhysRevB.101.214408

Physics Subject Headings (PhySH)

Magnetic phase transitions Magnetism Phase diagrams Pressure effects

Ferromagnets

Pressure techniques X-ray diffraction X-ray emission spectroscopy

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Z. E. Brubaker ^1,2,3, J. S. Harvey ², J. R. Badger⁴, R. R. Ullah², D. J. Campbell ⁵, Y. Xiao⁶, P. Chow⁶, C. Kenney-Benson⁶, J. S. Smith⁶, C. Reynolds ³, J. Paglione⁵, R. J. Zieve², J. R. Jeffries³, and V. Taufour²

¹Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
²Department of Physics, University of California, Davis, California 95616, USA
³Lawrence Livermore National Laboratory, Livermore, California 94550, USA
⁴Department of Chemistry, University of California, Davis, California 95616, USA
⁵Maryland Quantum Materials Center, Department of Physics, University of Maryland, College Park, Maryland 20742, USA
⁶HP-CAT, X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, USA

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Vol. 101, Iss. 21 — 1 June 2020

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Physical Review B

covering condensed matter and materials physics

Pressure-induced suppression of ferromagnetism in the itinerant ferromagnet ${LaCrSb}_{3}$

Z. E. Brubaker, J. S. Harvey, J. R. Badger, R. R. Ullah, D. J. Campbell, Y. Xiao, P. Chow, C. Kenney-Benson, J. S. Smith, C. Reynolds, J. Paglione, R. J. Zieve, J. R. Jeffries, and V. Taufour

Phys. Rev. B 101, 214408 – Published 3 June 2020

Abstract

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Physical Review B

covering condensed matter and materials physics

Pressure-induced suppression of ferromagnetism in the itinerant ferromagnet LaCrSb3

Z. E. Brubaker, J. S. Harvey, J. R. Badger, R. R. Ullah, D. J. Campbell, Y. Xiao, P. Chow, C. Kenney-Benson, J. S. Smith, C. Reynolds, J. Paglione, R. J. Zieve, J. R. Jeffries, and V. Taufour

Phys. Rev. B 101, 214408 – Published 3 June 2020

Abstract

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Pressure-induced suppression of ferromagnetism in the itinerant ferromagnet ${LaCrSb}_{3}$