Novel angular anisotropy in polarized SANS
The aim of this proposal is to experimentally observe a hithereto unseen angular anisotropy in the polarized SANS cross section of a magnetically strongly inhomogeneous material. Based on a theoretical prediction, the difference between the spin-up and spin-down SANS cross sections is expected to show a clover-leaf-type angular anisotropy with maxima roughly along the diagonals of the detector. The effect is particularly pronounced in inhomogeneous magnetic materials such as nanoporous ferromagnets or nanocomposites, which exhibit large nanoscale jumps in the saturation magnetization at internal particle-matrix interfaces. We aim to carry out the experiment on the two-phase nanocrystalline soft magnetic alloy Nanoperm, a material that finds widespread application as magnetic core in high-frequency power transformers. The present proposal addresses a fundamental question related to the angular anisotropy of the polarized SANS cross section.
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The recommended format for citing this dataset in a research publication is in the following format:
BERSWEILER Mathias; ADAMS Michael Philipp; D. Alba Venero; HONECKER Dirk; MICHELS Andreas; MUEHLBAUER Sebastian; Evelyn Pratami Sinaga; STEINKE Nina-Juliane and TITOV Ivan. (2023). Novel angular anisotropy in polarized SANS. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.DIR-272
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