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Helical scattering signatures of strain and electronic textures in YbFe2O4 from three-dimensional reciprocal space imaging

Abstract:

The insulating ternary oxide YbFe$_2$O$_4$ displays an unusual frustration-driven incommensurate charge-ordering (CO) transition, linked to possible ferroelectricity. Based on high-resolution synchrotron data, we report a detailed structural model showing that the CO phase is an incommensurate charge-density wave and cannot be ferroelectric, since the electrical dipole moments are also incommensurately modulated. The change between continuous and "spotty" helices of scattering at the CO trans...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.85.014115

Authors


Hearmon, AJ More by this author
Prabhakaran, D More by this author
Fabrizi, F More by this author
Gutmann, MJ More by this author
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Journal:
Phys. Rev. B
Volume:
85
Issue:
1
Pages:
014115
Publication date:
2011-01-28
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:6791d469-c92f-4c75-8af8-d05931722007
Source identifiers:
313844
Local pid:
pubs:313844
Language:
English
Keywords:

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