{"paper":{"title":"Metallic Surface States Probed Within the Microwave Skin Depth of the Putative Topological Insulator YBiPt Compound","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. B. R. Jesus, C. Rettori, G. G. Lesseux, J. L. Sarrao, P. F. S. Rosa, P. G. Pagliuso, R. R. Urbano, S. B. Oseroff, T. M. Garitezi, Z. Fisk","submitted_at":"2014-07-29T17:43:53Z","abstract_excerpt":"Electron Spin Resonance (ESR) experiments of diluted Nd$^{3+}$ ions in the claimed topological insulator (TI) YBiPt are reported. Powdered samples with grain size from $\\approx$ 100 $\\mu$m to $\\approx$ 2,000 $\\mu$m were investigated. At low temperatures, 1.6 K $\\lesssim$ \\emph{T} $\\lesssim$ 20 K, the X-band ($9.4$ GHz) ESR spectra show a \\emph{g}-value of 2.66(4) and a Dysonian resonance lineshape which shows a remarkably unusual temperature, concentration, microwave power and particle size dependence. These results indicate that metallic and insulating behavior coexist within a skin depth of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7797","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"}