Itinerant G-type antiferromagnetic order in SrCr2As2

Das, Pinaki; Sangeetha, N. S.; Lindemann, George R.; Heitmann, T. W.; Kreyssig, Andreas; Goldman, Alan I.; McQueeney, Robert J.; Johnston, David C.; Vaknin, David

doi:10.1103/PhysRevB.96.014411

Title: Itinerant G-type antiferromagnetic order in ${SrCr}_{2} {As}_{2}$

Abstract

Here, neutron-diffraction and magnetic susceptibility studies of polycrystalline SrCr₂As₂ reveal that this compound is an itinerant G-type antiferromagnet below the Néel temperature T_N = 590(5) K with the Cr magnetic moments aligned along the tetragonal c axis. The system remains tetragonal to the lowest measured temperature (~12 K). The lattice parameter ratio c/a and the magnetic moment saturate at about the same temperature below ~200 K, indicating a possible magnetoelastic coupling. The ordered moment μ = 1.9(1)μ_B/Cr, measured at T = 12 K, is significantly reduced compared to its localized value (4μ_B/Cr) due to the itinerant character brought about by hybridization between the Cr 3d and As 4p orbitals.

Authors:

Das, Pinaki ^[1]; Sangeetha, N. S. ^[1]; Lindemann, George R. ^[1]; Heitmann, T. W. ^[2]; Kreyssig, Andreas ^[1]; Goldman, Alan I. ^[1]; McQueeney, Robert J. ^[1]; Johnston, David C. ^[1]; Vaknin, David ^[1]

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

Publication Date:: Fri Jul 07 00:00:00 EDT 2017

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1374740

Alternate Identifier(s):: OSTI ID: 1368612

Report Number(s):: IS-J-9412
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702791

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review B

Additional Journal Information:: Journal Volume: 96; Journal Issue: 1; 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

Citation Formats


                    Das, Pinaki, Sangeetha, N. S., Lindemann, George R., Heitmann, T. W., Kreyssig, Andreas, Goldman, Alan I., McQueeney, Robert J., Johnston, David C., and Vaknin, David. Itinerant G-type antiferromagnetic order in SrCr2As2.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevB.96.014411.

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                    Das, Pinaki, Sangeetha, N. S., Lindemann, George R., Heitmann, T. W., Kreyssig, Andreas, Goldman, Alan I., McQueeney, Robert J., Johnston, David C., & Vaknin, David. Itinerant G-type antiferromagnetic order in SrCr2As2.  United States.  https://doi.org/10.1103/PhysRevB.96.014411

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                    Das, Pinaki, Sangeetha, N. S., Lindemann, George R., Heitmann, T. W., Kreyssig, Andreas, Goldman, Alan I., McQueeney, Robert J., Johnston, David C., and Vaknin, David. Fri .  
"Itinerant G-type antiferromagnetic order in SrCr2As2".  United States.  https://doi.org/10.1103/PhysRevB.96.014411.  https://www.osti.gov/servlets/purl/1374740.

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@article{osti_1374740,

  title        = {Itinerant G-type antiferromagnetic order in SrCr2As2},

  author       = {Das, Pinaki and Sangeetha, N. S. and Lindemann, George R. and Heitmann, T. W. and Kreyssig, Andreas and Goldman, Alan I. and McQueeney, Robert J. and Johnston, David C. and Vaknin, David},

  abstractNote = {Here, neutron-diffraction and magnetic susceptibility studies of polycrystalline SrCr2As2 reveal that this compound is an itinerant G-type antiferromagnet below the Néel temperature TN = 590(5) K with the Cr magnetic moments aligned along the tetragonal c axis. The system remains tetragonal to the lowest measured temperature (~12 K). The lattice parameter ratio c/a and the magnetic moment saturate at about the same temperature below ~200 K, indicating a possible magnetoelastic coupling. The ordered moment μ = 1.9(1)μB/Cr, measured at T = 12 K, is significantly reduced compared to its localized value (4μB/Cr) due to the itinerant character brought about by hybridization between the Cr 3d and As 4p orbitals.},

  doi          = {10.1103/PhysRevB.96.014411},

  journal      = {Physical Review B},

  number       = 1,

  volume       = 96,

  place        = {United States},

  year         = {Fri Jul 07 00:00:00 EDT 2017},

  month        = {Fri Jul 07 00:00:00 EDT 2017}

}

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Works referencing / citing this record:

Prediction of antiferromagnetism in barium chromium phosphide confirmed after synthesis
journal, October 2019

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Title: Itinerant G-type antiferromagnetic order in SrCr 2 As 2

Abstract

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The puzzle of high temperature superconductivity in layered iron pnictides and chalcogenides
journal, October 2010

Colloquium : The unexpected properties of alkali metal iron selenide superconductors
journal, May 2013

Zur Struktur ternärer Übergangsmetallarsenide/On the Structure of Ternary Arsenides
journal, June 1980

Bindungsverhältnisse und magnetische Eigenschaften ternärer Arsenide ET2As2 / Bonding and Magnetic Properties in Ternary Arsenides ET2As2
journal, July 1983

Prediction of antiferromagnetism in barium chromium phosphide confirmed after synthesis
journal, October 2019

Magnetic hexadecapole order and magnetopiezoelectric metal state in ${Ba}_{1 - x} K_{x} {Mn}_{2} {As}_{2}$
journal, August 2017