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Alternative production methods for molybdenum-99 (99Mo), the parent nuclide of technetium-99 m (99mTc), have gained significant attention over the past twodecades, particularly in response to vulnerabilities in the current reactor-based supply chain. A major challenge in implementing accelerator-driven production routesis the lower specific activity of 99Mo obtained compared to that produced via fission of highly-enriched uranium-235 (235U). [...]

POLI is a hot neutron two-axis diffractometer at the Heinz Maier-Leibnitz Zentrum (MLZ), Germany, which uses spin-polarized neutrons for magnetic studies in particular. The instrument is used, for instance, to study complex magnetic structures, to reconstruct magnetization densities in the unit cell, and to explore phase diagrams of materials via multiparameter studies. [...]

Decision Making / Ettinger, Ulrich (Editor) [https://orcid.org/0000-0002-0160-0281] ; Cham : Springer Nature Switzerland, 2025, Chapter 3 ; ISSN: 2196-6605=2196-6613 ; ISBN: 978-3-032-00879-4=978-3-032-00880-0 ; doi:10.1007/978-3-032-00880-0

The layered honeycomb magnet α-RuCl3 has attracted intense scrutiny as a prime candidate for realizing the Kitaev quantum spin liquid, yet a consensus on its spin Hamiltonian remains elusive due to the material’s extreme sensitivity to subtle structural details. Here, we report a comprehensive re-examination of the low-temperature crystallographic and magnetic structures of high-quality α-RuCl3 single crystals using unpolarized and polarized neutron diffraction [1] [...]