Journal article
Evolution of magneto-orbital order upon B-site electron doping in Na1−xCaxMn7O12 quadruple perovskite manganites
- Abstract:
- We present the discovery and refinement by neutron powder diffraction of a new magnetic phase in the Na1-xCaxMn7O12 quadruple perovskite phase diagram, which is the incommensurate analogue of the well-known pseudo-CE phase of the simple perovskite manganites. We demonstrate that incommensurate magnetic order arises in quadruple perovskites due to the exchange interactions between A and B sites. Furthermore, by constructing a simple mean field Heisenberg exchange model that generically describes both simple and quadruple perovskite systems, we show that this new magnetic phase unifies a picture of the interplay between charge, magnetic and orbital ordering across a wide range of compounds.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Preview, Accepted manuscript, pdf, 2.2MB, Terms of use)
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- Publisher copy:
- 10.1103/PhysRevLett.120.257202
Authors
- Publisher:
- American Physical Society
- Journal:
- Physical Review Letters More from this journal
- Volume:
- 120
- Issue:
- 25
- Pages:
- 257202
- Publication date:
- 2018-06-19
- Acceptance date:
- 2018-05-22
- DOI:
- EISSN:
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1079-7114
- ISSN:
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0031-9007
- Pubs id:
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pubs:853645
- UUID:
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uuid:bcd704d9-011d-4279-914d-5ac67be4f0a7
- Local pid:
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pubs:853645
- Source identifiers:
-
853645
- Deposit date:
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2018-05-23
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2018
- Notes:
- © 2018 American Physical Society. This is the accepted manuscript version of the article. The final version is available online from American Physical Society at: https://doi.org/10.1103/PhysRevLett.120.257202
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