{"paper":{"title":"Europium nitride: A novel diluted magnetic semiconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Rogalev, B.J. Ruck, C. Meyer, Do Le Binh, E.-M. Anton, F. Natali, F. Wilhelm, H.J. Trodahl, H. Warring, L. Ranno","submitted_at":"2013-06-23T21:40:59Z","abstract_excerpt":"Europium nitride is semiconducting and contains non-magnetic \\3+, but sub-stoichiometric EuN has Eu in a mix of 2+ and 3+ charge states. We show that at \\2+ ~concentrations near 15-20% EuN is ferromagnetic with a Curie temperature as high as 120 K. The \\3+ ~polarization follows that of the \\2+, confirming that the ferromagnetism is intrinsic to the EuN which is thus a novel diluted magnetic semiconductor. Transport measurements shed light on the likely exchange mechanisms."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5477","kind":"arxiv","version":2},"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"}