{"paper":{"title":"On the nature of the (de)coupling of the magnetostructural transition in Er$_5$Si$_4$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andr\\'e M. Pereira, C\\'esar Mag\\'en, Jo\\~ao H. Belo, Jo\\~ao N. Gon\\c{c}alves, Jo\\~ao P. Ara\\'ujo, Jo\\~ao S. Amaral, Luis Morellon, Manuel R. Ibarra, Marcelo B. Barbosa, Nuno M. Fortunato, Pedro A. Algarabel, Rui M. Costa","submitted_at":"2017-03-31T08:48:52Z","abstract_excerpt":"In this report, a successful thermodynamical model was employed to understand the structural transition in Er$_5$Si$_4$, able to explain the decoupling of the magnetic and structural transition. This was achieved by the DFT calculations which were used to determine the energy differences at 0 K, using a LSDA+U approximation. It was found that the M structure as the stable phase at low temperatures as verified experimentally with a $\\Delta F_0 = -$0.262 eV. Finally, it was achieved a variation of Seebeck coefficient ($\\sim$ 6 $\\mu$V) at the structural transition which allow to conclude that the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.10802","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"}