{"paper":{"title":"Computational materials design of attractive Fermion system with large negative effective $U$ in the hole-doped Delafossite of CuAlO$_2$, AgAlO$_2$ and AuAlO$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Akitaka Nakanishi, Hiroshi Katayama-Yoshida A. Nakanishi, H. Katayama-Yoshida, H. Uede, T. Fukushima","submitted_at":"2014-05-15T05:34:45Z","abstract_excerpt":"In order to realize super-high-critical temperature $(T_c)$ superconductors ($T_c$>1,000 K) based on general design rules for negative effective $U$ $(U_{eff})$ systems by controlling purely-electronic and attractive Fermion mechanisms, we perform computational materials design for the negative $U_{eff}$ system in hole-doped two-dimensional (2D) Delafossite CuAlO$_2$, AgAlO$_2$ and AuAlO$_2$ from ${\\it ab\\ initio}$ calculations. It is found that the large negative $U_{eff}$ in the hole-doped attractive Fermion systems for CuAlO$_2$ ($U_{eff}$ = -4.53 eV), AgAlO$_2$ ($U_{eff}$ = -4.88 eV), AuAl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3746","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"}