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Title: Field-induced spin density wave and spiral phases in a layered antiferromagnet

Abstract

In this study, we determine the low-field ordered magnetic phases of the S=1 dimerized antiferromagnet Ba 3Mn 2O 8 using single-crystal neutron diffraction. We find that for magnetic fields between μ 0H=8.80T and 10.56T applied along the [110] direction the system exhibits spin density wave order with incommensurate wave vectors of type (η,η,ε). For μ 0H>10.56T, the magnetic order changes to a spiral phase with incommensurate wave vectors only along the [hh0] direction. For both field-induced ordered phases, the magnetic moments are lying in the plane perpendicular to the field direction. The nature of these two transitions is fundamentally different: the low-field transition is a second-order transition to a spin density wave ground state, while the one at higher field, toward the spiral phase, is of first order.

Authors:
 [1];  [1];  [1];  [2];  [2];  [3];  [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
  2. Alternative Energies and Atomic Energy Commission (CEA), Grenoble (France). Inst. on Nanoscience and Cryogenics (INAC) and Statistical Physics, Magnetism and Superconductivity (SPSMS)
  3. Stanford Univ., CA (United States). Dept. of Applied Physics and Geballe Lab. for Advanced Materials
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
OSTI Identifier:
1210151
Alternate Identifier(s):
OSTI ID: 1203817; OSTI ID: 1327631
Grant/Contract Number:  
AC05-00OR22725; DMR-1205165; DMR-0454672
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 2; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Stone, Matthew B., Lumsden, Mark D., Garlea, Vasile O., Grenier, B., Ressouche, E., Samulon, Eric C., and Fisher, Ian R. Field-induced spin density wave and spiral phases in a layered antiferromagnet. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.020415.
Stone, Matthew B., Lumsden, Mark D., Garlea, Vasile O., Grenier, B., Ressouche, E., Samulon, Eric C., & Fisher, Ian R. Field-induced spin density wave and spiral phases in a layered antiferromagnet. United States. https://doi.org/10.1103/PhysRevB.92.020415
Stone, Matthew B., Lumsden, Mark D., Garlea, Vasile O., Grenier, B., Ressouche, E., Samulon, Eric C., and Fisher, Ian R. Tue . "Field-induced spin density wave and spiral phases in a layered antiferromagnet". United States. https://doi.org/10.1103/PhysRevB.92.020415. https://www.osti.gov/servlets/purl/1210151.
@article{osti_1210151,
title = {Field-induced spin density wave and spiral phases in a layered antiferromagnet},
author = {Stone, Matthew B. and Lumsden, Mark D. and Garlea, Vasile O. and Grenier, B. and Ressouche, E. and Samulon, Eric C. and Fisher, Ian R.},
abstractNote = {In this study, we determine the low-field ordered magnetic phases of the S=1 dimerized antiferromagnet Ba3Mn2O8 using single-crystal neutron diffraction. We find that for magnetic fields between μ0H=8.80T and 10.56T applied along the [110] direction the system exhibits spin density wave order with incommensurate wave vectors of type (η,η,ε). For μ0H>10.56T, the magnetic order changes to a spiral phase with incommensurate wave vectors only along the [hh0] direction. For both field-induced ordered phases, the magnetic moments are lying in the plane perpendicular to the field direction. The nature of these two transitions is fundamentally different: the low-field transition is a second-order transition to a spin density wave ground state, while the one at higher field, toward the spiral phase, is of first order.},
doi = {10.1103/PhysRevB.92.020415},
url = {https://www.osti.gov/biblio/1210151}, journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 2,
volume = 92,
place = {United States},
year = {2015},
month = {7}
}

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    Works referencing / citing this record:

    Field-induced double dome and Bose-Einstein condensation in the crossing quantum spin chain system AgVOAsO 4
    journal, September 2019