Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1–xNaxMnBi2

Yang, R.; Corasaniti, M.; Le, C. C.; Liao, Z. Y.; Wang, A. F.; Du, Q.; Petrovic, C.; Qiu, X. G.; Hu, J. P.; Degiorgi, L.

doi:10.1103/PhysRevLett.124.137201

Title: Spin-Canting-Induced Band Reconstruction in the Dirac Material ${Ca}_{1 - x} {Na}_{x} {MnBi}_{2}$

Abstract

The ternary AMnBi₂ (A is alkaline as well as rare-earth atom) materials provide an arena for investigating the interplay between low-dimensional magnetism of the antiferromagnetic MnBi layers and the electronic states in the intercalated Bi layers, which harbor relativistic fermions. We report on a comprehensive study of the optical properties and magnetic torque response of Ca_1–xNa_xMnBi₂. Our findings give evidence for a spin canting occurring at T_s~50–100 K. Thus, with the support of first-principles calculations we establish a direct link between the spin canting and the reconstruction of the electronic band structure, having immediate implications for the spectral weight reshuffling in the optical response, signaling a partial gapping of the Fermi surface, and the dc transport properties below T_s.

Authors:

Yang, R. ^[1]; Corasaniti, M. ^[1]; Le, C. C. ^[2]; Liao, Z. Y. ^[3]; Wang, A. F. ^[4];

^[5]; Petrovic, C. ^[5];

^[6]; Hu, J. P. ^[7];

^[1]

ETH Zurich (Switzerland)
Max Planck Inst. for Chemical Physics of Solids, Dresden (Germany)
Beijing National Laboratory for Condensed Matter Physics (China); Univ. of Chinese Academy of Sciences, Beijing (China)
Brookhaven National Lab. (BNL), Upton, NY (United States); Chongqing Univ. (China)
Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
Beijing National Laboratory for Condensed Matter Physics (China); Univ. of Chinese Academy of Sciences, Beijing (China); Songshan Lake Materials Laboratory, Dongguan, GD (China)
Beijing National Laboratory for Condensed Matter Physics (China); Univ. of Chinese Academy of Sciences, Beijing (China); South Bay Interdisciplinary Science Center, Dongguan, GD (China)

Publication Date:: Mon Mar 30 00:00:00 EDT 2020

Research Org.:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1633595

Alternate Identifier(s):: OSTI ID: 1607796

Report Number(s):: BNL-216026-2020-JAAM
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US2201208

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 124; Journal Issue: 13; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Density of states; first-principles calculations; magnetic coupling; spin torque; topological materials; magnetic techniques; optical spectroscopy

Citation Formats


                    Yang, R., Corasaniti, M., Le, C. C., Liao, Z. Y., Wang, A. F., Du, Q., Petrovic, C., Qiu, X. G., Hu, J. P., and Degiorgi, L. Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1–xNaxMnBi2.  United States: N. p., 2020. 
Web.  doi:10.1103/PhysRevLett.124.137201.

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                    Yang, R., Corasaniti, M., Le, C. C., Liao, Z. Y., Wang, A. F., Du, Q., Petrovic, C., Qiu, X. G., Hu, J. P., & Degiorgi, L. Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1–xNaxMnBi2.  United States.  https://doi.org/10.1103/PhysRevLett.124.137201

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                    Yang, R., Corasaniti, M., Le, C. C., Liao, Z. Y., Wang, A. F., Du, Q., Petrovic, C., Qiu, X. G., Hu, J. P., and Degiorgi, L. Mon .  
"Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1–xNaxMnBi2".  United States.  https://doi.org/10.1103/PhysRevLett.124.137201.  https://www.osti.gov/servlets/purl/1633595.

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@article{osti_1633595,

  title        = {Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1–xNaxMnBi2},

  author       = {Yang, R. and Corasaniti, M. and Le, C. C. and Liao, Z. Y. and Wang, A. F. and Du, Q. and Petrovic, C. and Qiu, X. G. and Hu, J. P. and Degiorgi, L.},

  abstractNote = {The ternary AMnBi2 (A is alkaline as well as rare-earth atom) materials provide an arena for investigating the interplay between low-dimensional magnetism of the antiferromagnetic MnBi layers and the electronic states in the intercalated Bi layers, which harbor relativistic fermions. We report on a comprehensive study of the optical properties and magnetic torque response of Ca1–xNaxMnBi2. Our findings give evidence for a spin canting occurring at Ts~50–100 K. Thus, with the support of first-principles calculations we establish a direct link between the spin canting and the reconstruction of the electronic band structure, having immediate implications for the spectral weight reshuffling in the optical response, signaling a partial gapping of the Fermi surface, and the dc transport properties below Ts.},

  doi          = {10.1103/PhysRevLett.124.137201},

  journal      = {Physical Review Letters},

  number       = 13,

  volume       = 124,

  place        = {United States},

  year         = {Mon Mar 30 00:00:00 EDT 2020},

  month        = {Mon Mar 30 00:00:00 EDT 2020}

}

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Title: Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca 1 – x Na x MnBi 2

Abstract

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Title: Spin-Canting-Induced Band Reconstruction in the Dirac Material ${Ca}_{1 - x} {Na}_{x} {MnBi}_{2}$

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Anisotropic Dirac Fermions in a Bi Square Net of ${SrMnBi}_{2}$
journal, September 2011

On the Antiferromagnetism of Single Crystals
journal, October 1951

Anisotropic Dirac electronic structures of $A$ MnBi $_{2}$ ( $A = Sr$ ,Ca)
journal, June 2013

Two-dimensional gas of massless Dirac fermions in graphene
journal, November 2005

Temperature dependence of the excitation spectrum in the charge-density-wave ${ErTe}_{3}$ and ${HoTe}_{3}$ systems
journal, May 2010

Fluctuations and thermodynamics of the charge-density-wave phase transition
journal, July 1990

Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set
journal, July 1996

Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature
journal, October 2015

Experimental Observation of the Quantum Anomalous Hall Effect in a Magnetic Topological Insulator
journal, March 2013

Special points for Brillouin-zone integrations
journal, June 1976

Colloquium: Topological insulators
journal, November 2010

Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set
journal, October 1996

Large anomalous Hall effect driven by a nonvanishing Berry curvature in the noncolinear antiferromagnet Mn ₃ Ge
journal, April 2016

Field-induced magnetic transitions in ${Ca}_{10} ({Pt}_{3} {As}_{8}) (({Fe}_{1 - x} {Pt}_{x})_{2} {As}_{2})_{5}$ compounds
journal, May 2014

Angular-dependent torque measurements on ${CeCoIn}_{5}$ single crystals
journal, May 2006

Optical investigation of the strong spin-orbit-coupled magnetic semimetal ${YbMnBi}_{2}$
journal, August 2017

A magnetic topological semimetal Sr1−yMn1−zSb2 (y, z < 0.1)
journal, July 2017

Interlayer electronic transport in ${CaMnBi}_{2}$ antiferromagnet
journal, September 2016

Specific heats of the charge density wave compounds o-TaS and (TaSe ) I
journal, September 2002

Full-potential, linearized augmented plane wave programs for crystalline systems
journal, June 1990

Hall Effect and Resistivity Study of the Magnetic Transition, Carrier Content, and Fermi-Liquid Behavior in $Ba ({Fe}_{1 - x} {Co}_{x})_{2} {As}_{2}$
journal, July 2009

Strong Anisotropy of Dirac Cones in SrMnBi2 and CaMnBi2 Revealed by Angle-Resolved Photoemission Spectroscopy
journal, June 2014

Spin-flop transition and magnetic phase diagram in ${CaCo}_{2} {As}_{2}$ revealed by torque measurements
journal, October 2015

Electrodynamics of Solids
book, January 2010

The chiral anomaly and thermopower of Weyl fermions in the half-Heusler GdPtBi
journal, June 2016

Spin dynamics in the antiferromagnetic phases of the Dirac metals $A {MnBi}_{2}$ ( $A = Sr, Ca$ )
journal, April 2017

Large magnetothermopower effect in Dirac materials (Sr/Ca)MnBi ₂
journal, March 2012

Rearrangement of the antiferromagnetic ordering at high magnetic fields in SmFeAsO and SmFeAsO $_{0.9}$ F $_{0.1}$ single crystals
journal, April 2011

Coupling of magnetic order to planar Bi electrons in the anisotropic Dirac metals $A {MnBi}_{2} (A = Sr, Ca)$
journal, August 2014