{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DQSTFG5LQ5MGWV4ITTBZXCFIJA","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"05d3db026ebd8a976641afa95a188a690598e834f24920bd1f5a1420a08a663a","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-13T19:46:12Z","title_canon_sha256":"cd0724b24696708f9941302b72cf8b3fec1dc80d38b776f26ed4523b7739dc45"},"schema_version":"1.0","source":{"id":"1508.03324","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.03324","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"arxiv_version","alias_value":"1508.03324v3","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.03324","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"pith_short_12","alias_value":"DQSTFG5LQ5MG","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DQSTFG5LQ5MGWV4I","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DQSTFG5L","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:5f8b2955eb4d0065190146c3e6a0aa1c2dc02e9332b1b470abf4801caf41b7d8","target":"graph","created_at":"2026-05-18T00:05:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"For certain conditions of layer thickness, the interface between GdTiO$_3$ (GTO) and SrTiO$_3$ (STO) in multilayer samples has been found to form a two-dimensional electron gas (2DEG) with very interesting properties including high mobilities and ferromagnetism. We have here studied two trilayer samples of the form [2 nm GTO/1.0 or 1.5 unit cells STO/10 nm GTO] as grown on (001) (LaAlO$_3$)$_{0.3}$(Sr$_2$AlTaO$_6$)$_{0.7}$ (LSAT), with the STO layer thicknesses being at what has been suggested is the critical thickness for 2DEG formation. We have studied these with Ti-resonant angle-resolved (","authors_text":"A. Janotti, B. Himmetoglu, C. Conlon, C.G. Van de Walle, C. Jackson, C.M. Schneider, C.S. Fadley`, G. Conti, G.K. P\\'alsson, J. Avila, J. Rault, L. Balents, L. Bjaalie, M.-C. Asensio, P. Moetakef, S. Cho, S. Nem\\v{s}\\'ak, S. Stemmer","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-13T19:46:12Z","title":"Observation by resonant angle-resolved photoemission of a critical thickness for 2-dimensional electron gas formation in SrTiO$_3$ embedded in GdTiO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.03324","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b2db168d4220c168e9f7a614c1427a0ea8e28df3eddb340e4ef017ec580b4257","target":"record","created_at":"2026-05-18T00:05:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"05d3db026ebd8a976641afa95a188a690598e834f24920bd1f5a1420a08a663a","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-08-13T19:46:12Z","title_canon_sha256":"cd0724b24696708f9941302b72cf8b3fec1dc80d38b776f26ed4523b7739dc45"},"schema_version":"1.0","source":{"id":"1508.03324","kind":"arxiv","version":3}},"canonical_sha256":"1c25329bab87586b57889cc39b88a8480f5305c1a80965e07feb41470e976c85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c25329bab87586b57889cc39b88a8480f5305c1a80965e07feb41470e976c85","first_computed_at":"2026-05-18T00:05:51.678444Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:51.678444Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t855/COp+oJJnN1GVnS/ryhFGIK8MA67jxX70gAoPSlzL0kKOGUVgjBpr2FqIDctphk9XrvRWM4xJtSJL4IWCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:51.679149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.03324","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2db168d4220c168e9f7a614c1427a0ea8e28df3eddb340e4ef017ec580b4257","sha256:5f8b2955eb4d0065190146c3e6a0aa1c2dc02e9332b1b470abf4801caf41b7d8"],"state_sha256":"adcdaf4610e5b716eb7f01f2c5325eecfd10ca488299757d80ab8a3e5dc36a07"}