{"paper":{"title":"High-$T_c$ superconducting hydrides formed by LaH$_{24}$ and YH$_{24}$ cage structures as basic blocks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Kenta Hongo, Kousuke Nakano, Pedro Baptista de Castro, Peng Song, Ryo Maezono, Yoshihiko Takano, Zhufeng Hou","submitted_at":"2021-03-11T14:22:22Z","abstract_excerpt":"Based on recent studies regarding high-temperature (high-$T_c$) La-Y ternary hydrides (e.g., $P{\\bar{1}}$-La$_2$YH$_{12}$, $Pm{\\bar{3}}m$-LaYH$_{12}$, and $Pm{\\bar{3}}m$-(La,Y)H$_{10}$ with a maximum $T_c \\sim 253$ K), we examined the phase and structural stabilities of the (LaH$_6$)(YH$_6$)$_y$ series as high-$T_c$ ternary hydride compositions using a genetic algorithm and $\\it ab$ $\\it initio$ calculations. Our evaluation showed that the $Pm\\bar{3}m$-LaYH$_{12}$ reported in the previous study was unstable during decomposition into $R\\bar{3}c$-LaH$_{6}$ + $Im\\bar{3}m$-YH$_{6}$. We also discov"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06690","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.06690/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"}