{"paper":{"title":"Orbital selective neutron spin resonance in underdoped superconducting NaFe$_\\textbf{0.985}$Co$_\\textbf{0.015}$As","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alexandre Ivanov, Jiri Kulda, J. T. Park, Pengcheng Dai, Rong Yu, Weiyi Wang, Yu Li, Yu Song, Zongyuan Zhang","submitted_at":"2017-03-09T16:09:51Z","abstract_excerpt":"We use neutron scattering to study the electron-doped superconducting NaFe$_{0.985}$Co$_{0.015}$As ($T_c=14$ K), which has co-existing static antiferromagnetic (AF) order ($T_N=31$ K) and exhibits two neutron spin resonances ($E_{r1}\\approx 3.5$ meV and $E_{r2}\\approx 6$ meV) at the in-plane AF ordering wave vector ${\\bf Q}_{\\rm AF}={\\bf Q}_{1}=(1,0)$ in reciprocal space. In the twinned state below the tetragonal-to-orthorhombic structural transition $T_s$, both resonance modes appear at ${\\bf Q}_{1}$ but cannot be distinguished from ${\\bf Q}_{2}=(0,1)$. By detwinning the single crystal with u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.03318","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"}