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Resonant X-ray scattering study of quadrupole-strain coupling in DyB4.
- Source :
-
Physical review letters [Phys Rev Lett] 2007 Aug 17; Vol. 99 (7), pp. 076401. Date of Electronic Publication: 2007 Aug 13. - Publication Year :
- 2007
-
Abstract
- X-ray and neutron scattering studies were performed on DyB4 which exhibits both a quadrupolar ordering and a macroscopic lattice distortion. A forbidden reflection at 7.792 keV near the Dy L3 absorption edge is identified as a quadrupolar ordering peak, and the quadrupolar order and a monoclinic structural distortion develop concomitantly below 12.3 K as second-order-type phase transitions. Coupling between the quadrupolar order and the strain in DyB4 is directly demonstrated by observing that both order parameters are proportional to each other.
Details
- Language :
- English
- ISSN :
- 0031-9007
- Volume :
- 99
- Issue :
- 7
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 17930908
- Full Text :
- https://doi.org/10.1103/PhysRevLett.99.076401