Triakontadipole and high-order dysprosium multipoles in the antiferromagnetic phase of DyB2C2
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Date
2011-07-06
Journal Title
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Publisher
IOP Publishing Ltd.
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
Description
Keywords
Dysprosium, Antiferromagnetic materials, Dichroism, Bragg reflection, Oscillators, Multipoles
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), 266002. doi:10.1088/0953-8984/23/26/266002