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Condensed Matter and Complex Systems

EPJ B – Longitudinal polarization analysis, SANS souci

Longitudinal polarization analysis, SANS souci

Ground breaking experiments in EPJ B by D. Honecker and colleagues on an FeCr two-phase nanocrystalline alloy demonstrate the power of one-dimensional neutron-spin analysis in a small-angle neutron scattering (SANS) experiment.

With this method it becomes possible to measure partial correlation functions, and observe several novel anisotropies and asymmetries in the magnetic scattering cross section. The authors measure the scattering intensities that connect two neutron-spin states in FeCr two-phase nanocrystalline alloy and, through the analysis of the spin-flip data, they obtain the (isotropic) longitudinal correlation function and the transversal contributions of the magnetization. This technique opens up the unique possibility for analyzing independently the three vector components of the bulk magnetization, and has the potential to push forward our understanding of magnetic interactions in nanostructures.

To read the full paper, "Longitudinal polarization analysis in small-angle neutron scattering", D. Honecker, A. Ferdinand, F. Döbrich, C.D. Dewhurst, A. Wiedenmann, C. Gómez-Polo, K. Suzuki and A. Michels, European Physical Journal B 76, 209-213 (2010), click here.

E. Hernandez and H. Rieger
Thank you for the very fruitful and efficient collaboration. It has been a pleasure!!

Paul van Loosdrecht, Guest Editor Topical issue: Excitonic Processes in Condensed Matter, Nanostructured and Molecular Materials, 2013

ISSN (Print Edition): 1434-6028
ISSN (Electronic Edition): 1434-6036

© EDP Sciences, Società Italiana di Fisica and Springer-Verlag

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