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Title: Emergent ferromagnetism and T -linear scattering in USb 2 at high pressure [Emergent ferromagnetism in USb2 under pressure]

Abstract

The material USb2 is a correlated, moderately heavy-electron compound within the uranium dipnictide (UX2) series. It is antiferromagnetic with a relatively high transition temperature TN = 204K and a large U-U separation. While the uranium atoms in the lighter dipnictides are considered to be localized, those of USb2 exhibit hybridization and itineracy, promoting uncertainty as to the continuity of the magnetic order within the UX2. We have explored the evolution of the magnetic order by employing magnetotransport measurements as a function of pressure and temperature. We find that the TN in USb2 is enhanced, moving towards that of its smaller sibling UAs2. But, long before reaching a TN as high as UAs2, the antiferromagnetism of USb2 is abruptly destroyed in favor of another magnetic ground state. We identify this pressure-induced ground state as being ferromagnetic based on the appearance of a strong anomalous Hall effect in the transverse resistance in magnetic field. At last with pressure, this emergent ferromagnetic state is suppressed and ultimately destroyed in favor of a non-Fermi-liquid ground state.

Authors:
 [1];  [1];  [1];  [2];  [3]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Univ. of Alabama, Birmingham, AL (United States)
  3. National Institute of Standards and Technology, Gaithersburg, MD (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1342040
Alternate Identifier(s):
OSTI ID: 1252120
Report Number(s):
LLNL-JRNL-681439
Journal ID: ISSN 2469-9950; PRBMDO
Grant/Contract Number:  
AC52-07NA27344; 14-ERD-041; NA0002014
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 93; Journal Issue: 18; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Jeffries, Jason R., Stillwell, Ryan L., Weir, Samuel T., Vohra, Yogesh K., and Butch, Nicholas P. Emergent ferromagnetism and T-linear scattering in USb2 at high pressure [Emergent ferromagnetism in USb2 under pressure]. United States: N. p., 2016. Web. https://doi.org/10.1103/PhysRevB.93.184406.
Jeffries, Jason R., Stillwell, Ryan L., Weir, Samuel T., Vohra, Yogesh K., & Butch, Nicholas P. Emergent ferromagnetism and T-linear scattering in USb2 at high pressure [Emergent ferromagnetism in USb2 under pressure]. United States. https://doi.org/10.1103/PhysRevB.93.184406
Jeffries, Jason R., Stillwell, Ryan L., Weir, Samuel T., Vohra, Yogesh K., and Butch, Nicholas P. Mon . "Emergent ferromagnetism and T-linear scattering in USb2 at high pressure [Emergent ferromagnetism in USb2 under pressure]". United States. https://doi.org/10.1103/PhysRevB.93.184406. https://www.osti.gov/servlets/purl/1342040.
@article{osti_1342040,
title = {Emergent ferromagnetism and T-linear scattering in USb2 at high pressure [Emergent ferromagnetism in USb2 under pressure]},
author = {Jeffries, Jason R. and Stillwell, Ryan L. and Weir, Samuel T. and Vohra, Yogesh K. and Butch, Nicholas P.},
abstractNote = {The material USb2 is a correlated, moderately heavy-electron compound within the uranium dipnictide (UX2) series. It is antiferromagnetic with a relatively high transition temperature TN = 204K and a large U-U separation. While the uranium atoms in the lighter dipnictides are considered to be localized, those of USb2 exhibit hybridization and itineracy, promoting uncertainty as to the continuity of the magnetic order within the UX2. We have explored the evolution of the magnetic order by employing magnetotransport measurements as a function of pressure and temperature. We find that the TN in USb2 is enhanced, moving towards that of its smaller sibling UAs2. But, long before reaching a TN as high as UAs2, the antiferromagnetism of USb2 is abruptly destroyed in favor of another magnetic ground state. We identify this pressure-induced ground state as being ferromagnetic based on the appearance of a strong anomalous Hall effect in the transverse resistance in magnetic field. At last with pressure, this emergent ferromagnetic state is suppressed and ultimately destroyed in favor of a non-Fermi-liquid ground state.},
doi = {10.1103/PhysRevB.93.184406},
journal = {Physical Review B},
number = 18,
volume = 93,
place = {United States},
year = {2016},
month = {5}
}

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Cited by: 4 works
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  • DOI: 10.1029/JB091iB05p04673

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Magnetic and magnetoelastic properties of UCo 2 Si 2 as studied by high-field magnetization and ultrasound measurements
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Anomalous Hall effect
journal, May 2010


Strongly coupled electronic, magnetic, and lattice degrees of freedom in LaC o 5 under pressure
journal, November 2015


Robust ferromagnetism in the compressed permanent magnet Sm 2 Co 17
journal, September 2014


X-ray circular dichroism as a probe of orbital magnetization
journal, March 1992


X-ray circular dichroism and local magnetic fields
journal, February 1993


Tricritical Point and Wing Structure in the Itinerant Ferromagnet UGe 2
journal, November 2010


Ferromagnetic Quantum Critical Endpoint in UCoAl
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  • Journal of the Physical Society of Japan, Vol. 80, Issue 9
  • DOI: 10.1143/JPSJ.80.094711

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journal, October 1984


Non-Fermi-liquid behavior in d - and f -electron metals
journal, October 2001


Unusual strong spin-fluctuation effects around the critical pressure of the itinerant Ising-type ferromagnet URhAl
journal, March 2015


Emergence of non-Fermi-liquid behavior due to Fermi surface reconstruction in the underdoped cuprate superconductors
journal, May 2010


Quantum order-by-disorder driven phase reconstruction in the vicinity of ferromagnetic quantum critical points
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    Works referencing / citing this record:

    High temperature singlet-based magnetism from Hund’s rule correlations
    journal, February 2019


    Orbital-selective Kondo lattice and enigmatic f electrons emerging from inside the antiferromagnetic phase of a heavy fermion
    journal, October 2019

    • Giannakis, Ioannis; Leshen, Justin; Kavai, Mariam
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    Magnetotransport as a probe of phase transformations in metallic antiferromagnets: The case of UIrS i 3
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