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Antiferromagnetic spin canting and magnetoelectric multipoles in h-YMnO3

Ramakrishnan, M. LU ; Joly, Y. ; Meier, Q. N. ; Fechner, M. ; Porer, M. ; Parchenko, S. ; Windsor, Y. W. ; Bothschafter, E. M. ; Lichtenberg, F. and Staub, U. (2023) In Physical Review Research 5(1).
Abstract

Hexagonal YMnO3 is a prototype antiferromagnet which exhibits multiferroic behavior with the ferroelectric and magnetic transitions occurring at different temperatures. We observe an out-of-plane canting of the Mn3+ magnetic moments using resonant x-ray diffraction (RXD) in a single crystal of this material. These canted moments result in the symmetry-forbidden (0,0,1) magnetic Bragg reflection, which is observed at the Mn L2,3 absorption edges. We also observe an unexpected difference in the RXD spectral shapes at different temperatures. Using ab initio calculations, we explore the possibility that this behavior arises due to the interference between scattering from the canted magnetic moments and parity-odd atomic multipoles on the... (More)

Hexagonal YMnO3 is a prototype antiferromagnet which exhibits multiferroic behavior with the ferroelectric and magnetic transitions occurring at different temperatures. We observe an out-of-plane canting of the Mn3+ magnetic moments using resonant x-ray diffraction (RXD) in a single crystal of this material. These canted moments result in the symmetry-forbidden (0,0,1) magnetic Bragg reflection, which is observed at the Mn L2,3 absorption edges. We also observe an unexpected difference in the RXD spectral shapes at different temperatures. Using ab initio calculations, we explore the possibility that this behavior arises due to the interference between scattering from the canted magnetic moments and parity-odd atomic multipoles on the Mn3+ ions.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Research
volume
5
issue
1
article number
013203
publisher
American Physical Society
external identifiers
  • scopus:85151382750
ISSN
2643-1564
DOI
10.1103/PhysRevResearch.5.013203
language
English
LU publication?
yes
id
01dd0b76-35bd-4459-8a56-0b391d04cd67
date added to LUP
2023-05-23 15:50:35
date last changed
2023-05-23 15:50:35
@article{01dd0b76-35bd-4459-8a56-0b391d04cd67,
  abstract     = {{<p>Hexagonal YMnO3 is a prototype antiferromagnet which exhibits multiferroic behavior with the ferroelectric and magnetic transitions occurring at different temperatures. We observe an out-of-plane canting of the Mn3+ magnetic moments using resonant x-ray diffraction (RXD) in a single crystal of this material. These canted moments result in the symmetry-forbidden (0,0,1) magnetic Bragg reflection, which is observed at the Mn L2,3 absorption edges. We also observe an unexpected difference in the RXD spectral shapes at different temperatures. Using ab initio calculations, we explore the possibility that this behavior arises due to the interference between scattering from the canted magnetic moments and parity-odd atomic multipoles on the Mn3+ ions.</p>}},
  author       = {{Ramakrishnan, M. and Joly, Y. and Meier, Q. N. and Fechner, M. and Porer, M. and Parchenko, S. and Windsor, Y. W. and Bothschafter, E. M. and Lichtenberg, F. and Staub, U.}},
  issn         = {{2643-1564}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Research}},
  title        = {{Antiferromagnetic spin canting and magnetoelectric multipoles in h-YMnO3}},
  url          = {{http://dx.doi.org/10.1103/PhysRevResearch.5.013203}},
  doi          = {{10.1103/PhysRevResearch.5.013203}},
  volume       = {{5}},
  year         = {{2023}},
}