- 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...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevB.85.014115
-
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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:
- Copyright date:
- 2011
- Notes:
- 7 pages, 6 figures
Journal article
Helical scattering signatures of strain and electronic textures in YbFe2O4 from three-dimensional reciprocal space imaging
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