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Wave vector difference of magnetic Bragg reflections and low energy magnetic excitations in charge-stripe ordered La2NiO4.11

Abstract:

We report on the magnetism of charge-stripe ordered La2NiO4.11±0.01 by neutron scattering and μSR. On going towards zero energy transfer there is an observed wave vector offset in the centring of the magnetic excitations and magnetic Bragg reflections, meaning the excitations cannot be described as Goldstone modes of the magnetic order. Weak transverse field μSR measurements determine the magnetically order volume fraction is 87% from the two stripe twins, and the temperature evolution of the...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/s41598-019-50904-8

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Role:
Author
ORCID:
0000-0002-5376-8940
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
ORCID:
0000-0002-3172-834X
Publisher:
Springer Nature Publisher's website
Journal:
Scientific Reports Journal website
Volume:
9
Issue:
1
Article number:
14468
Publication date:
2019-10-08
Acceptance date:
2019-09-10
DOI:
EISSN:
2045-2322
Pmid:
31594985
Language:
English
Keywords:
Pubs id:
1065313
Local pid:
pubs:1065313
Deposit date:
2021-08-05

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