Magnetic structure and dispersion relation of the S=12 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in a transverse magnetic field

Matsuda, M.; Onishi, H.; Okutani, A.; Ma, J.; Agrawal, H.; Hong, Tao; Pajerowski, D. M.; Copley, J. R. D.; Okunishi, K.; Mori, M.; Kimura, S.; Hagiwara, M.

doi:10.1103/PhysRevB.96.024439

Title: Magnetic structure and dispersion relation of the $S = \frac{1}{2}$ quasi-one-dimensional Ising-like antiferromagnet ${BaCo}_{2} V_{2} O_{8}$ in a transverse magnetic field

Abstract

Here, BaCo₂V₂O₈ consists of Co chains in which a Co²⁺ ion carries a fictitious spin 1/2 with Ising anisotropy. We performed elastic and inelastic neutron scattering experiments in BaCo₂V₂O₈ in a magnetic field perpendicular to the c axis which is the chain direction. With applying magnetic field along the a axis at 3.5 K, the antiferromagnetic order with the easy axis along the c axis, observed in zero magnetic field, is completely suppressed at 8 T, while the magnetic field gradually induces an antiferromagnetic order with the spin component along the b axis. We also studied magnetic excitations as a function of transverse magnetic field. The lower boundary of the spinon excitations splits gradually with increasing magnetic field. The overall feature of the magnetic excitation spectra in the magnetic field is reproduced by the theoretical calculation based on the spin 1/2 XXZ antiferromagnetic chain model, which predicts that the dynamic magnetic structure factor of the spin component along the chain direction is enhanced and that along the field direction has clear incommensurate correlations.

Authors:

Matsuda, M. ^[1]; Onishi, H. ^[2]; Okutani, A. ^[3]; Ma, J. ^[4]; Agrawal, H. ^[1];

^[1]; Pajerowski, D. M. ^[5]; Copley, J. R. D. ^[6]; Okunishi, K. ^[7]; Mori, M. ^[2]; Kimura, S. ^[8]; Hagiwara, M. ^[3]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Japan Atomic Energy Agency, Ibaraki (Japan)
Osaka Univ., Osaka (Japan)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Shanghai Jiao Tong Univ., Shanghai (People's Republic of China)
NIST Center for Neutron Research, Gaithersburg, MD (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
NIST Center for Neutron Research, Gaithersburg, MD (United States)
Niigata Univ., Niigata (Japan)
Tohoku Univ., Sendai (Japan)

Publication Date:: Tue Jul 25 00:00:00 EDT 2017

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1376477

Alternate Identifier(s):: OSTI ID: 1372718

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review B

Additional Journal Information:: Journal Volume: 96; Journal Issue: 2; 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


                    Matsuda, M., Onishi, H., Okutani, A., Ma, J., Agrawal, H., Hong, Tao, Pajerowski, D. M., Copley, J. R. D., Okunishi, K., Mori, M., Kimura, S., and Hagiwara, M. Magnetic structure and dispersion relation of the S=12 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in a transverse magnetic field.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevB.96.024439.

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                    Matsuda, M., Onishi, H., Okutani, A., Ma, J., Agrawal, H., Hong, Tao, Pajerowski, D. M., Copley, J. R. D., Okunishi, K., Mori, M., Kimura, S., & Hagiwara, M. Magnetic structure and dispersion relation of the S=12 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in a transverse magnetic field.  United States.  https://doi.org/10.1103/PhysRevB.96.024439

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                    Matsuda, M., Onishi, H., Okutani, A., Ma, J., Agrawal, H., Hong, Tao, Pajerowski, D. M., Copley, J. R. D., Okunishi, K., Mori, M., Kimura, S., and Hagiwara, M. Tue .  
"Magnetic structure and dispersion relation of the S=12 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in a transverse magnetic field".  United States.  https://doi.org/10.1103/PhysRevB.96.024439.  https://www.osti.gov/servlets/purl/1376477.

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@article{osti_1376477,

  title        = {Magnetic structure and dispersion relation of the S=12 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in a transverse magnetic field},

  author       = {Matsuda, M. and Onishi, H. and Okutani, A. and Ma, J. and Agrawal, H. and Hong, Tao and Pajerowski, D. M. and Copley, J. R. D. and Okunishi, K. and Mori, M. and Kimura, S. and Hagiwara, M.},

  abstractNote = {Here, BaCo2V2O8 consists of Co chains in which a Co2+ ion carries a fictitious spin 1/2 with Ising anisotropy. We performed elastic and inelastic neutron scattering experiments in BaCo2V2O8 in a magnetic field perpendicular to the c axis which is the chain direction. With applying magnetic field along the a axis at 3.5 K, the antiferromagnetic order with the easy axis along the c axis, observed in zero magnetic field, is completely suppressed at 8 T, while the magnetic field gradually induces an antiferromagnetic order with the spin component along the b axis. We also studied magnetic excitations as a function of transverse magnetic field. The lower boundary of the spinon excitations splits gradually with increasing magnetic field. The overall feature of the magnetic excitation spectra in the magnetic field is reproduced by the theoretical calculation based on the spin 1/2 XXZ antiferromagnetic chain model, which predicts that the dynamic magnetic structure factor of the spin component along the chain direction is enhanced and that along the field direction has clear incommensurate correlations.},

  doi          = {10.1103/PhysRevB.96.024439},

  journal      = {Physical Review B},

  number       = 2,

  volume       = 96,

  place        = {United States},

  year         = {Tue Jul 25 00:00:00 EDT 2017},

  month        = {Tue Jul 25 00:00:00 EDT 2017}

}

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Spinon confinement and a sharp longitudinal mode in Yb2Pt2Pb in magnetic fields
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Title: Magnetic structure and dispersion relation of the S = 1 2 quasi-one-dimensional Ising-like antiferromagnet BaCo 2 V 2 O 8 in a transverse magnetic field

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Density matrix formulation for quantum renormalization groups
journal, November 1992

Quantum spin dynamics of the antiferromagnetic linear chain in zero and nonzero magnetic field
journal, August 1981

Field-Induced Order-Disorder Transition in Antiferromagnetic ${BaCo}_{2} V_{2} O_{8}$ Driven by a Softening of Spinon Excitation
journal, August 2007

Spinon confinement in the one-dimensional Ising-like antiferromagnet ${SrCo}_{2} V_{2} O_{8}$
journal, April 2015

Dynamical T =0 correlations of the S =1/2 one-dimensional Heisenberg antiferromagnet with 1/ $r^{2}$ exchange in a magnetic field
journal, September 1994

Gap generation in the $XXZ$ model in a transverse magnetic field
journal, April 2002

Direct Observation of Field-Induced Incommensurate Fluctuations in a One-Dimensional $S = 1 / 2$ Antiferromagnet
journal, September 1997

Field-induced magnetic behavior in quasi-one-dimensional Ising-like antiferromagnet BaCo $_{2}$ V $_{2}$ O $_{8}$ : A single-crystal neutron diffraction study
journal, February 2013

Spin Fluctuation Spectrum of One-Dimensional Spin 1/2 Heisenberg Antiferromagnet in an Applied Magnetic Field
journal, August 1980

Spinon confinement and a sharp longitudinal mode in Yb2Pt2Pb in magnetic fields
journal, March 2019

Intrinsic transverse field in frustrated quantum Ising magnets: Physical origin and quantum effects
journal, December 2019

Spinon Confinement and a Sharp Longitudinal Mode in Yb$_2$Pt$_2$Pb in Magnetic Fields
text, January 2019