DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Anomalous temperature-dependent magnetization in the nearly collinear antiferromagnet Y2Co3

Journal Article · · Physical Review. B
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [2];  [4];  [2]; ORCiD logo [5]; ORCiD logo [5];  [6];  [7]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [8]; ORCiD logo [9];  [9]; ORCiD logo [5];  [10];  [7]; ORCiD logo [1]
  1. University of California, Davis, CA (United States)
  2. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  3. Tohoku University, Sendai (Japan); National Sun Yat-sen University, Kaohsiung (Taiwan)
  4. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  5. University of Utah, Salt Lake City, UT (United States)
  6. University of Utah, Salt Lake City, UT (United States); University of Illinois, Chicago, IL (United States)
  7. Iowa State University, Ames, IA (United States)
  8. Argonne National Laboratory (ANL), Argonne, IL (United States)
  9. University of Illinois, Chicago, IL (United States)
  10. Tohoku University, Sendai (Japan)

Y2Co3 is a newly discovered antiferromagnetic (AFM) compound with distorted kagome layers. Here, previous investigations via bulk magnetization measurements suggested a complex non-collinear magnetic behavior, with magnetic moments primarily anti-aligned along the b axis and some canting towards the ac plane. In this study, we report the magnetic structure of Y2Co3 to be an A-type AFM structure with ferromagnetic (FM) interactions within the distorted kagome plane and an inter-plane antiferromagnetic interaction, as determined by single crystal neutron diffraction. The magnetic moments align along the b axis, with minimal canting towards the c axis, at odds with the previous interpretation of bulk magnetization measurements. The magnetic moments on the two distinct Co sites are (0, -0.68, 0) μB and (0, 1.25, 0.07) μB. We attribute the previously reported ”non-collinear” behavior to the considerable temperature dependence of itinerant AFM exchange interactions, induced by thermal contraction along the b axis. Additionally, our examination of lattice constants through pressure studies reveals compensating effects on FM and AFM interactions, resulting in negligible pressure dependence of TN.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States); Chicago Office, Argonne, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); University of Illinois, Chicago, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Grant/Contract Number:
AC02-06CH11357; AC02-07CH11358; NA0003975; NA0004153; SC0020340
OSTI ID:
2507454
Journal Information:
Physical Review. B, Journal Name: Physical Review. B Journal Issue: 23 Vol. 110; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (43)

Thermal effects in magnetic exchange interaction journal December 1976
Anisotropic magnetization journal November 1960
The present status of the temperature dependence of magnetocrystalline anisotropy, and the power law journal August 1966
Magnetic properties of K2CoF4 and Rb2CoF4; two-dimensional Ising antiferromagnets journal November 1969
Magnetic order in M2Mo3O8 single crystals (M = Mn, Fe, Co, Ni) journal January 1983
The magnetocrystalline anisotropy of cobalt journal October 1984
Antiferromagnetism in the La-Co system journal May 1985
Recent advances in magnetic structure determination by neutron powder diffraction journal October 1993
R2Co3-xSix (R = Pr, Nd, Sm, Gd) and R2Ni3-xSix (R = Gd-Er), new series of La2Ni3-type phases journal March 2018
Physical properties and anisotropies of the RNiGe3 series (R = Y, Ce–Nd, Sm, Gd–Lu) journal November 2010
Reinvestigation of the intrinsic magnetic properties of ( Fe 1 - x Co x ) 2 B alloys and crystallization behavior of ribbons journal November 2020
Stabilization by Si Substitution of the Pseudobinary Compound Gd 2 (Co 3– x Si x ) with Magnetocaloric Properties around Room Temperature journal June 2014
Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet journal December 2012
Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature journal October 2015
An itinerant antiferromagnetic metal without magnetic constituents journal July 2015
Perpendicular Susceptibility of the Ising Model journal January 1963
Temperature Dependence of Ferromagnetic Uniaxial Anisotropy Coefficients journal March 1962
Anharmonicity and the equation of state for gold journal February 1989
DIOPTAS : a program for reduction of two-dimensional X-ray diffraction data and data exploration journal May 2015
Toward an international practical pressure scale: A proposal for an IPPS ruby gauge (IPPS-Ruby2020) journal July 2020
Single crystal growth from light, volatile and reactive materials using lithium and calcium flux journal April 2014
The pressure dependence of the Curie temperature of rare earth-cobalt compounds journal December 1973
Ni 3 TeO 6 —a collinear antiferromagnet with ferromagnetic honeycomb planes journal January 2010
Magnetism in Condensed Matter book October 2001
Collinear magnetic structure and multiferroicity in the polar magnet Co 2 Mo 3 O 8 journal October 2019
Anomalous Hall effect in the distorted kagome magnets (Nd,Sm) Mn 6 Sn 6 journal June 2021
Robust antiferromagnetism in Y2Co3 journal November 2021
A-type antiferromagnetic order in semiconducting EuMg2Sb2 single crystals journal July 2022
Magnetization of UBe 13 to 60 T journal January 2000
Spin-density-wave anomaly at 140 K in the ternary iron arsenide BaFe 2 As 2 journal July 2008
Two magnetic Grüneisen parameters in the ferromagnetic superconductor UGe 2 journal November 2009
Magnetic exchange interactions in BaMn 2 As 2 : A case study of the J 1 - J 2 - J c Heisenberg model journal September 2011
Suppression of antiferromagnetism by pressure in CaCo 2 P 2 journal March 2014
Magnetic Susceptibility of Collinear and Noncollinear Heisenberg Antiferromagnets journal August 2012
Shape of Temperature Dependence of Spontaneous Magnetization of Ferromagnets: Quantitative Analysis journal March 2005
Tuning the flat bands of the kagome metal CoSn with Fe, In, or Ni doping journal April 2021
Statistics on magnetic properties of Co compounds: A database-driven method for discovering Co-based ferromagnets journal June 2022
Four-circle single-crystal neutron diffractometer at the High Flux Isotope Reactor journal May 2011
Magnetic Susceptibility of an Antiferromagnetic KCoF3 Single Crystal–19F NMR and Static Measurements journal November 1978
Symmetry-Based Computational Tools for Magnetic Crystallography journal July 2015
Rigid body refinements in GSAS / EXPGUI journal December 2011
DEMAND, a Dimensional Extreme Magnetic Neutron Diffractometer at the High Flux Isotope Reactor journal December 2018
Present Status and Future Prospects of the Thermal-neutron Triple-axis Spectrometer 4G-GPTAS journal September 2024