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Crossover from lattice to plasmonic polarons of a spin-polarised electron gas in ferromagnetic EuO

Abstract:

Strong many-body interactions in solids yield a host of fascinating and potentially useful physical properties. Here, from angle-resolved photoemission experiments and ab initio many-body calculations, we demonstrate how a strong coupling of conduction electrons with collective plasmon excitations of their own Fermi sea leads to the formation of plasmonic polarons in the doped ferromagnetic semiconductor EuO. We observe how these exhibit a significant tunability with charge carrier doping, le...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/s41467-018-04749-w

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
Role:
Author
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Grant:
Horizon 2020 Grant No. 696656 – GrapheneCore1
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Grant:
PLP-2015-144 and RL-2012-001
Royal Society More from this funder
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Publisher:
Springer Nature Publisher's website
Journal:
Nature Communications Journal website
Volume:
9
Article number:
2305
Publication date:
2018-06-13
Acceptance date:
2018-05-22
DOI:
ISSN:
2041-1723
Source identifiers:
853494
Pubs id:
pubs:853494
UUID:
uuid:6279309d-a49c-45f2-9733-2ecc3fc65e21
Local pid:
pubs:853494
Deposit date:
2018-05-22

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