{"paper":{"title":"Disappearance of zinc impurity resonance in large gap region on Bi$_{\\mathrm{2}}$Sr$_{\\mathrm{2}}$CaCu$_{\\mathrm{2}}$O$_{\\mathrm{8+}\\delta}$ probed by scanning tunneling spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Ajay D. Thakur, Hideaki Sakata, Hiroshi Nakamura, Kazuto Hirata, Masaki Fujimoto, Shuuichi Ooi, Tadashi Machida, Takashi Mochiku, Takuya Kato","submitted_at":"2010-10-28T01:52:52Z","abstract_excerpt":"Using Scanning tunneling spectroscopy (STS), we report the correlation between spatial gap inhomogeneity and the zinc (Zn) impurity resonance in single crystals of Bi$_{\\mathrm{2}}$Sr$_{\\mathrm{2}}$Ca(Cu$_{\\mathrm{1-}x}$Zn$_{x}$)$_{\\mathrm{2}}$O$_{\\mathrm{8+}\\delta}$ with different carrier (hole) concentrations ($p$) at a fixed Zn concentration ($x$ $\\sim$ 0.5 % per Cu atom). In all the samples, the impurity resonance lies only in the region where the gap value is less than $\\sim$ 60 meV. Also the number of Zn resonance sites drastically decreases with decreasing $p$, in spite of the fixed $x$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5839","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"}