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Title: Triakontadipole and high-order dysprosium multipoles in the antiferromagnetic phase of DyB2C2
Authors: Princep, AJ
Mulders, AM
Staub, U
Scagnoli, V
Nakamura, T
Kikkawa, A
Lovesey, SW
Balcar, E
Bragg Reflection
Issue Date: 6-Jul-2011
Publisher: IOP Publishing LTD
Citation: Princep, A.J., Mulders, A.M., Staub, U., Scagnoli, V., Nakamura, T., Kikkawa, A., Lovesey, S.W., Balcar, E. (2011). Triakontadipole and high-order dysprosium multipoles in the antiferromagnetic phase of DyB(2)C(2). Journal of Physics-Condensed Matter, 23(26), Art. No. 266002.
Abstract: Resonant soft x-ray Bragg diffraction at the Dy M-4,M-5 edges has been used to study Dy multipoles in the combined magnetic and orbitally ordered phase of DyB2C2. The analysis incorporates both the intra-atomic magnetic and quadrupolar interactions between the 3d core and 4f valence shells. Additionally, we introduce to the formalism the interference of magnetic and nonmagnetic oscillators. This allows a determination of the higher-order multipole moments of rank 1 (dipole) to 6 (hexacontatetrapole). The strength of the Dy 4f multipole moments have been estimated as being up to 80% of the quadrupolar moment.(c) 2011 IOP Publishing LTD
ISSN: 0953-8984
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