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Resonant x-ray scattering study of diffuse magnetic scattering from the topological semimetals EuCd2As2 and EuCd2Sb2

Abstract:

We have investigated the magnetic correlations in the candidate Weyl semimetals EuCd2Pn2 (Pn=As, Sb) by resonant elastic x-ray scattering at the Eu2+ M5 edge. The temperature and field dependence of the diffuse scattering of EuCd2As2 provide direct evidence that the Eu moments exhibit slow ferromagnetic (FM) correlations well above the Néel temperature. By contrast, the diffuse scattering in the paramagnetic phase of isostructural EuCd2Sb2 is at least an order of magnitude weaker. The FM...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.102.014408

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
ORCID:
0000-0002-3172-834X
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Name:
Engineering and Physical Sciences Research Council
Grant:
EP/M020517/1
EP/N034872/1
Publisher:
American Physical Society
Journal:
Physical Review B More from this journal
Volume:
102
Article number:
014408
Publication date:
2020-07-06
Acceptance date:
2020-06-24
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Language:
English
Keywords:
Pubs id:
1120430
Local pid:
pubs:1120430
Deposit date:
2021-08-05

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