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|Type:||Artigo de evento|
|Title:||Observation Of Multipolar Scattering In Holmium With Non-resonant X-ray Scattering At The Lnls|
|Abstract:||Multipolar ordering in metallic holmium 4f shell was studied by non resonant X-ray scattering at the helical antiferromagnetic phase. The quadrupolar nature of the 2τ satellite peaks is confirmed from the good agreement of the measured values of the form factor with calculated values for quadrupolar scattering. The strong spin-orbit coupling drives the multipolar order, experimentally confirmed through the temperature dependence of the quadrupolar ordering wave vector 2τ. Form factors of the satellite peaks observed at 4τ are higher than those expected for the octupolar scattering. © 2003 Elsevier B.V. All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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