{"paper":{"title":"Soft X-ray resonant scattering study of single-crystal LaSr$_2$Mn$_2$O$_7$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Nefedov, H.-F. Li, J. Persson, P. Meuffels, Tapan Chatterji, Th. Br\\\"uckel, Y. Su, Y. Xiao","submitted_at":"2010-03-10T23:55:17Z","abstract_excerpt":"Soft X-ray resonant scattering studies at the Mn $L_{\\texttt{II, III}}$- and the La $M_{\\texttt{IV, V}}$- edges of single-crystal LaSr$_2$Mn$_2$O$_7$ are reported. At low temperatures, below $T_\\texttt{N} \\approx 160$ K, energy scans with a fixed momentum transfer at the \\emph{A}-type antiferromagnetic (0 0 1) reflection around the Mn $L_{\\texttt{II, III}}$-edges with incident linear $\\sigma$ and $\\pi$ polarizations show strong resonant enhancements. The splitting of the energy spectra around the Mn $L_{\\texttt{II, III}}$-edges may indicate the presence of a mixed valence state, e.g., Mn$^{3+}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.2229","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}