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Title: Tricritical point of the f -electron antiferromagnet US b 2 driven by high magnetic fields

Journal Article · · Physical Review B
 [1];  [2]; ORCiD logo [3]; ORCiD logo [3];  [1];  [4]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Univ. of Maryland, College Park, MD (United States); National Institute of Science and Technology, Gaithersburg, MD (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. National Institute of Science and Technology, Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)

In pulsed magnetic fields up to 65 T and at temperatures below the Néel transition, our magnetization and magnetostriction measurements reveal a field-induced metamagneticlike transition that is suggestive of an antiferromagnetic to ferrimagnetic ordering. Our data also suggest a change in the nature of this metamagneticlike transition from second- to first-order-like near a tricritical point at Ttc ~ 145K and Hc ~ 52 T. At high fields for H > Hc we found a decreased magnetic moment roughly half of the moment determined by neutron powder diffraction. Lastly, we propose that the decreased moment and lack of saturation at high fields indicate the presence of a field-induced ferrimagnetic state above the tricritical point of the H-T phase diagram for USb2.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396; 14-ERD-041; AC52-07NA27344
OSTI ID:
1343719
Alternate ID(s):
OSTI ID: 1339182; OSTI ID: 1377774
Report Number(s):
LA-UR-16-28417; LLNL-JRNL-702128; PRBMDO; TRN: US1700992
Journal Information:
Physical Review B, Vol. 95, Issue 1; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 25 works
Citation information provided by
Web of Science

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Cited By (9)

High temperature singlet-based magnetism from Hund’s rule correlations journal February 2019
Tricritical point from high-field magnetoelastic and metamagnetic effects in UN journal July 2017
Structure, elastic characteristic, ideal strengths, and phonon stability of binary uranium intermetallic UGe 3 of AuCu 3 -type journal January 2020
Magnetotransport as a probe of phase transformations in metallic antiferromagnets: The case of UIrS i 3 journal July 2019
Microscopic mechanism for the unusual antiferromagnetic order and the pressure-induced transition to ferromagnetism in USb 2 journal January 2018
Orbital-selective Kondo lattice and enigmatic f electrons emerging from inside the antiferromagnetic phase of a heavy fermion journal October 2019
Fiber Bragg Grating Dilatometry in Extreme Magnetic Field and Cryogenic Conditions journal November 2017
Orbital-selective Kondo-lattice and enigmatic f-electrons emerging from inside the antiferromagnetic phase of a heavy fermion text January 2019
High temperature singlet-based magnetism from Hund's rule correlations text January 2019