{"paper":{"title":"Upper critical field and thermally activated flux flow in single crystalline Tl$_{0.58}$Rb$_{0.42}$Fe$_{1.72}$Se$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. Maiorov, F. F. Balakirev, H. D. Wang, H. Q. Yuan, J. L. Zhang, L. Jiao, L. N. Wang, M. H. Fang, T. Shang, Y. Chen, Y. Kohama","submitted_at":"2011-06-12T06:35:26Z","abstract_excerpt":"The upper critical field $\\mu_0H_{c2}(T_c)$ of Tl$_{0.58}$Rb$_{0.42}$Fe$_{1.72}$Se$_2$ single crystals has been determined by means of measuring the electrical resistivity in both a pulsed magnetic field ($\\sim$60T) and a DC magnetic field ($\\sim$14T). It is found that $H_{c2}$ linearly increases with decreasing temperature for $\\textbf{H}$$\\parallel$$c$, reaching $\\mu_0H_{c2}^{\\textbf{H}\\parallel c}(0\\textrm{K})\\simeq60$ T. On the other hand, a larger $\\mu_0H_{c2}(0\\textrm{K})$ with a strong convex curvature is observed for $\\textbf{H}$$\\perp$$c$ ($\\mu_0H_{c2}^{\\textbf{H}\\perp c}$(18K)$\\simeq"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2283","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"}