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Title: Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba 2 CoSi 2 O 7

Abstract

Magnetization and neutron scattering measurements have been carried out on an antiferromagnet Ba 2CoSi 2O 7. The observed magnetic excitation is almost dispersionless, and the neutron intensity is only modulated along the [101] direction. The dispersionless magnetic excitation suggest that the Ba 2CoSi 2O 7 system is a quasi-one-dimensional antiferromagnet. Classical spin-wave theory for a one-dimensional antiferromagnet can explain the dispersionless spin excitation. Additionally, the magnetic structure determined by the measurement of the neutron powder diffraction is consistent with no observation of the multiferroic property in this system.

Authors:
 [1]; ORCiD logo [2];  [3];  [4];  [5];  [6]
  1. RIKEN Center for Emergent Matter Science (CEMS), Wako, Saitama (Japan); The Univ. of Tokyo, Tokai, Ibaraki (Japan). Neutron Science Lab., Inst. for Solid State Physics
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Science Division
  3. Australian Nuclear Science and Technology Organisation (ANSTO), Menai, NSW (Australia). Bragg Inst.
  4. RIKEN Center for Emergent Matter Science (CEMS), Wako, Saitama (Japan)
  5. The Univ. of Tokyo, Tokai, Ibaraki (Japan). Neutron Science Lab., Inst. for Solid State Physics
  6. RIKEN Center for Emergent Matter Science (CEMS), Wako, Saitama (Japan); Ochanomizu Univ., Tokyo (Japan). Dept. of Physics, Advanced Sciences, (GSHS)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1570127
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 100; Journal Issue: 14; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; magnetic interactions

Citation Formats

Soda, Minoru, Hong, Tao, Avdeev, Maxim, Yoshizawa, Hideki, Masuda, Takatsugu, and Furukawa, H. Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba2CoSi2O7. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.100.144410.
Soda, Minoru, Hong, Tao, Avdeev, Maxim, Yoshizawa, Hideki, Masuda, Takatsugu, & Furukawa, H. Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba2CoSi2O7. United States. doi:10.1103/PhysRevB.100.144410.
Soda, Minoru, Hong, Tao, Avdeev, Maxim, Yoshizawa, Hideki, Masuda, Takatsugu, and Furukawa, H. Mon . "Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba2CoSi2O7". United States. doi:10.1103/PhysRevB.100.144410.
@article{osti_1570127,
title = {Neutron scattering study of the quasi-one-dimensional antiferromagnet Ba2CoSi2O7},
author = {Soda, Minoru and Hong, Tao and Avdeev, Maxim and Yoshizawa, Hideki and Masuda, Takatsugu and Furukawa, H.},
abstractNote = {Magnetization and neutron scattering measurements have been carried out on an antiferromagnet Ba2CoSi2O7. The observed magnetic excitation is almost dispersionless, and the neutron intensity is only modulated along the [101] direction. The dispersionless magnetic excitation suggest that the Ba2CoSi2O7 system is a quasi-one-dimensional antiferromagnet. Classical spin-wave theory for a one-dimensional antiferromagnet can explain the dispersionless spin excitation. Additionally, the magnetic structure determined by the measurement of the neutron powder diffraction is consistent with no observation of the multiferroic property in this system.},
doi = {10.1103/PhysRevB.100.144410},
journal = {Physical Review B},
number = 14,
volume = 100,
place = {United States},
year = {2019},
month = {10}
}

Journal Article:
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