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dc.contributor.author
Lovesey, Stephen
dc.contributor.author
Scagnoli, Valerio
dc.contributor.author
Garganourakis, Marios
dc.contributor.author
Koohpayeh, Seyed M.
dc.contributor.author
Detlefs, Carsten
dc.contributor.author
Staub, Urs
dc.date.accessioned
2020-07-10T12:42:20Z
dc.date.available
2017-06-10T20:34:16Z
dc.date.available
2020-07-10T12:42:20Z
dc.date.issued
2013-09-11
dc.identifier.issn
0953-8984
dc.identifier.issn
1361-648X
dc.identifier.other
10.1088/0953-8984/25/36/362202
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/70923
dc.description.abstract
Resonant Bragg diffraction of soft, circularly polarized x-rays has been used to observe directly the temperature dependence of chiral-order melting in a motif of Mn ions in terbium manganate. The underlying mechanism uses the b-axis component of a cycloid, which vanishes outside the polar phase. Melting is witnessed by the first and second harmonics of a cycloid, and we explain why the observed temperature dependence differs in the two harmonics. Conclusions follow from an exact treatment of diffraction by using atomic multipoles in a circular cycloid, since a standard treatment of the diffraction, based on a single material-vector identified with the magnetic dipole, does not reproduce correctly observations at the second harmonic. © 2013 IOP Publishing Ltd.
en_US
dc.language.iso
en
en_US
dc.publisher
Institute of Physics
en_US
dc.title
Melting of chiral order in terbium manganate (TbMnO3) observed with resonant x-ray Bragg diffraction
en_US
dc.type
Journal Article
dc.date.published
2013-08-13
ethz.journal.title
Journal of Physics: Condensed Matter
ethz.journal.volume
25
en_US
ethz.journal.issue
36
en_US
ethz.journal.abbreviated
J. phys., Condens. matter
ethz.pages.start
362202
en_US
ethz.size
8 p.
en_US
ethz.identifier.scopus
ethz.publication.place
Bristol
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02510 - Institut für Quantenelektronik / Institute for Quantum Electronics::03920 - Johnson, Steven / Johnson, Steven
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02510 - Institut für Quantenelektronik / Institute for Quantum Electronics::03920 - Johnson, Steven / Johnson, Steven
ethz.date.deposited
2017-06-10T20:34:35Z
ethz.source
ECIT
ethz.identifier.importid
imp593650eb616b857594
ethz.ecitpid
pub:112351
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2017-07-13T13:26:23Z
ethz.rosetta.lastUpdated
2021-02-15T15:24:42Z
ethz.rosetta.versionExported
true
ethz.COinS
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