{"paper":{"title":"Allotropic transition of Dirac semimetal {\\alpha}-Sn to superconductor {\\beta}-Sn induced by irradiation of focused ion beam","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Daiki Ootsuki, Ikuto Kawasaki, Keita Ishihara, Kohdai Inagaki, Le Duc Anh, Masaaki Tanaka, Masaki Kobayashi, Shin-ichi Fujimori, Takahito Takeda, Tatsuhiro Ishida, Tomoki Hotta, Yuichi Seki","submitted_at":"2023-10-01T12:30:23Z","abstract_excerpt":"Diamond-type structure allotrope {\\alpha}-Sn is attracting much attention as a topological Dirac semimetal (TDS). In this study, we demonstrate that {\\alpha}-Sn undergoes a phase transition to another allotrope {\\beta}-Sn with superconductivity at low temperature by irradiating with a focused Ga ion beam (FIB). To clarify the transition mechanism, we performed X-ray photoemission spectroscopy (XPS) measurements on an {\\alpha}-Sn thin film irradiated with FIB and an as-grown {\\alpha}-Sn thin film. The XPS results suggest that the local annealing, which is one of the side effects of FIB, causes "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.00652","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2310.00652/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}