X-Ray Resonant Scattering Study of the Quadrupolar Order in UPd{sub 3}
Journal Article
·
· Physical Review Letters
Quadrupolar ordering in a 5f electron system has been observed directly for the first time, using x-ray scattering techniques. In UPd{sub 3} at low temperatures satellite peaks appear at (1,0,l) (orthorhombic notation) with l odd and even. Both sets of peaks show a resonant enhancement of the scattering at the M{sub IV} edge of U. At resonance, the dominant scattering of the l odd peaks occurs in the unrotated polarization channel, whereas for l even a significant rotated component is found. These results are discussed in terms of possible structures of the antiferroquadrupolar phases.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40277299
- Journal Information:
- Physical Review Letters, Vol. 87, Issue 5; Other Information: DOI: 10.1103/PhysRevLett.87.057201; Othernumber: PRLTAO000087000005057201000001; 052130PRL; PBD: 30 Jul 2001; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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