{"paper":{"title":"The calcium doping effects on the structural and electrical properties of NdFeAsO0.8F0.2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"F. Shahbaz Tehrani, V. Daadmehr","submitted_at":"2019-01-30T14:56:46Z","abstract_excerpt":"We have investigated experimentally how properties of NdFeAsO0.8F0.2 superconductor affected due to the substitution of the calcium by the neodymium. We have synthesized polycrystalline Nd1-xCaxFeAsO0.8F0.2 samples with x=0, 0.01, 0.025, 0.05 and 0.1 through the one step solid state reaction method. The X-ray diffraction patterns, refined using the MAUD software and Rietveld s method, have indicated the formation of tetragonal structure with the space group P4/nmm:2. We studied various structural parameters such as lattice parameters, bond angles, bond length, and etc. Based on the XRD data re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10872","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"}