Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate

Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate

It was suggested that some 3d materials display bond-dependent exchange interactions, leading to exotic many-body effects. Here, using inelastic neutron scattering, the authors reveal such interactions in the stacked honeycomb magnet CoTiO3 and show how they induce a spectral gap and affect the Dira...

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Main Authors: M. Elliot, P. A. McClarty, D. Prabhakaran, R. D. Johnson, H. C. Walker, P. Manuel, R. Coldea
Format: Article
Language:English
Published: Nature Publishing Group 2021-06-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-021-23851-0
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spelling doaj-74ef4aa19f1b4778a6202d7c7508f78d2021-06-27T11:12:15ZengNature Publishing GroupNature Communications2041-17232021-06-011211710.1038/s41467-021-23851-0Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltateM. Elliot0P. A. McClarty1D. Prabhakaran2R. D. Johnson3H. C. Walker4P. Manuel5R. Coldea6Clarendon Laboratory, University of OxfordMax Planck Institute for the Physics of Complex SystemsClarendon Laboratory, University of OxfordDepartment of Physics and Astronomy, University College LondonISIS Facility, Rutherford Appleton Laboratory-STFCISIS Facility, Rutherford Appleton Laboratory-STFCClarendon Laboratory, University of OxfordIt was suggested that some 3d materials display bond-dependent exchange interactions, leading to exotic many-body effects. Here, using inelastic neutron scattering, the authors reveal such interactions in the stacked honeycomb magnet CoTiO3 and show how they induce a spectral gap and affect the Dirac magnon band structure.https://doi.org/10.1038/s41467-021-23851-0
collection DOAJ
language English
format Article
sources DOAJ
author M. Elliot
P. A. McClarty
D. Prabhakaran
R. D. Johnson
H. C. Walker
P. Manuel
R. Coldea
spellingShingle M. Elliot
P. A. McClarty
D. Prabhakaran
R. D. Johnson
H. C. Walker
P. Manuel
R. Coldea
Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
Nature Communications
author_facet M. Elliot
P. A. McClarty
D. Prabhakaran
R. D. Johnson
H. C. Walker
P. Manuel
R. Coldea
author_sort M. Elliot
title Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
title_short Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
title_full Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
title_fullStr Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
title_full_unstemmed Order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
title_sort order-by-disorder from bond-dependent exchange and intensity signature of nodal quasiparticles in a honeycomb cobaltate
publisher Nature Publishing Group
series Nature Communications
issn 2041-1723
publishDate 2021-06-01
description It was suggested that some 3d materials display bond-dependent exchange interactions, leading to exotic many-body effects. Here, using inelastic neutron scattering, the authors reveal such interactions in the stacked honeycomb magnet CoTiO3 and show how they induce a spectral gap and affect the Dirac magnon band structure.
url https://doi.org/10.1038/s41467-021-23851-0
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