Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn2P2

Islam, Farhan; Trevisan, Thaís V.; Heitmann, Thomas; Pakhira, Santanu; Riberolles, Simon M.; Sangeetha, N. S.; Johnston, David C.; Orth, Peter P.; Vaknin, David

doi:10.1103/physrevb.107.054425

Title: Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn 2 P 2

Abstract

We report neutron-diffraction results on single-crystal CaMn₂P₂ containing corrugated Mn honeycomb layers, and we determine its ground-state magnetic structure. The diffraction patterns consist of prominent (1/6,1/6, L ) reciprocal-lattice unit (r.l.u.; L = integer) magnetic Bragg reflections, whose temperature-dependent intensities are consistent with a first-order antiferromagnetic phase transition at the Néel temperature T_N = 70 (1) K. Our analysis of the diffraction patterns reveals an in-plane 6 × 6 magnetic unit cell with ordered spins that in the principal-axis directions rotate by 60°steps between nearest neighbors on each sublattice that forms the honeycomb structure, consistent with the P_Ac magnetic space group. We find that a few other magnetic subgroup symmetries (P_A²/c, P_C2/m, P_S1, P_C2, P_Cm, P_S1) of the paramagnetic $$P\bar{3}m11'$$ crystal symmetry are consistent with the observed diffraction pattern. We relate our findings to frustrated J₁-J₂-J₃ Heisenberg honeycomb antiferromagnets with single-ion anisotropy and the emergence of Potts nematicity.

Authors:

^[1]; Trevisan, Thaís V. ^[1]; Heitmann, Thomas ^[2];

^[3];

^[1];

^[1]

Ames Lab., and Iowa State Univ., Ames, IA (United States)
Univ. of Missouri, Columbia, MO (United States)
Ames Lab., Ames, IA (United States)

Publication Date:: Tue Feb 21 00:00:00 EST 2023

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1959191

Report Number(s):: IS-J 11,005
Journal ID: ISSN 2469-9950; TRN: US2312840

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. B

Additional Journal Information:: Journal Volume: 107; Journal Issue: 5; Journal ID: ISSN 2469-9950

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Frustrated magnetism; Magnetic order; Nematic order; Honeycomb lattice; Pnictides Heisenberg model; Kitaev-Heisenberg model; Potts model

Citation Formats


                    Islam, Farhan, Trevisan, Thaís V., Heitmann, Thomas, Pakhira, Santanu, Riberolles, Simon M., Sangeetha, N. S., Johnston, David C., Orth, Peter P., and Vaknin, David. Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn2P2.  United States: N. p., 2023. 
Web.  doi:10.1103/physrevb.107.054425.

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                    Islam, Farhan, Trevisan, Thaís V., Heitmann, Thomas, Pakhira, Santanu, Riberolles, Simon M., Sangeetha, N. S., Johnston, David C., Orth, Peter P., & Vaknin, David. Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn2P2.  United States.  https://doi.org/10.1103/physrevb.107.054425

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                    Islam, Farhan, Trevisan, Thaís V., Heitmann, Thomas, Pakhira, Santanu, Riberolles, Simon M., Sangeetha, N. S., Johnston, David C., Orth, Peter P., and Vaknin, David. Tue .  
"Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn2P2".  United States.  https://doi.org/10.1103/physrevb.107.054425.  https://www.osti.gov/servlets/purl/1959191.

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@article{osti_1959191,

  title        = {Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn2P2},

  author       = {Islam, Farhan and Trevisan, Thaís V. and Heitmann, Thomas and Pakhira, Santanu and Riberolles, Simon M. and Sangeetha, N. S. and Johnston, David C. and Orth, Peter P. and Vaknin, David},

  abstractNote = {We report neutron-diffraction results on single-crystal CaMn2P2 containing corrugated Mn honeycomb layers, and we determine its ground-state magnetic structure. The diffraction patterns consist of prominent (1/6,1/6, L ) reciprocal-lattice unit (r.l.u.; L = integer) magnetic Bragg reflections, whose temperature-dependent intensities are consistent with a first-order antiferromagnetic phase transition at the Néel temperature TN = 70 (1) K. Our analysis of the diffraction patterns reveals an in-plane 6 × 6 magnetic unit cell with ordered spins that in the principal-axis directions rotate by 60°steps between nearest neighbors on each sublattice that forms the honeycomb structure, consistent with the PAc magnetic space group. We find that a few other magnetic subgroup symmetries (PA2/c, PC2/m, PS1, PC2, PCm, PS1) of the paramagnetic $P\bar{3}m11'$ crystal symmetry are consistent with the observed diffraction pattern. We relate our findings to frustrated J1-J2-J3 Heisenberg honeycomb antiferromagnets with single-ion anisotropy and the emergence of Potts nematicity.},

  doi          = {10.1103/physrevb.107.054425},

  journal      = {Physical Review. B},

  number       = 5,

  volume       = 107,

  place        = {United States},

  year         = {Tue Feb 21 00:00:00 EST 2023},

  month        = {Tue Feb 21 00:00:00 EST 2023}

}

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Title: Frustrated magnetic cycloidal structure and emergent Potts nematicity in CaMn 2 P 2

Abstract

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Intertwined Vestigial Order in Quantum Materials: Nematicity and Beyond
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Three-dimensional 3-state Potts model revisited with new techniques
journal, April 1997

First-order antiferromagnetic transitions of SrMn ₂ P ₂ and CaMn ₂ P ₂ single crystals containing corrugated-honeycomb Mn sublattices
journal, October 2021

${CaMn}_{2} {Sb}_{2}$ : Spin waves on a frustrated antiferromagnetic honeycomb lattice
journal, May 2015

$N i_{2} M o_{3} O_{8}$ : Complex antiferromagnetic order on a honeycomb lattice
journal, January 2019

Magnetic order and paramagnetic phases in the quantum $J_{1}$ - $J_{2}$ - $J_{3}$ honeycomb model
journal, July 2011

Collinear antiferromagnetism in trigonal SrMn ₂ As ₂ revealed by single-crystal neutron diffraction
journal, November 2016

Kitaev-Heisenberg Model on a Honeycomb Lattice: Possible Exotic Phases in Iridium Oxides $A_{2} {IrO}_{3}$
journal, July 2010

Finite-temperature phase diagram of the classical Kitaev-Heisenberg model
journal, July 2013

Non-simple magnetic order for simple Hamiltonians
journal, July 1979

Finite-size effects and magnetic order in the spin-12honeycomb-lattice compoundInCu2/3V1/3O3
journal, February 2010

The ground states of the classical heisenberg and planar models on the triangular and plane hexagonal lattices
journal, February 1986

Resistivity and Magnetism of AMn2P2 (A = Sr, Ba): The Effect of Structure Type on Physical Properties
journal, December 1994

Preemptive nematic order, pseudogap, and orbital order in the iron pnictides
journal, January 2012

Magnetic properties of honeycomb-based spin models in verdazyl-based salts
journal, June 2019

First-order transition in trigonal structure CaMn ₂ P ₂
journal, November 2020