{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:E4UQC3KHGV2QKCXSXOAPKVQPQO","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":"4b9802d01caba513a8a0fbb069d426e62125e39136d39061b96a97ef86247818","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-12-18T21:19:57Z","title_canon_sha256":"0f12c16390f01f181e571e916a97c0a029dc55dbc21874cb1a6f404e98fdda8c"},"schema_version":"1.0","source":{"id":"cond-mat/0212459","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0212459","created_at":"2026-07-04T16:33:32Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0212459v1","created_at":"2026-07-04T16:33:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0212459","created_at":"2026-07-04T16:33:32Z"},{"alias_kind":"pith_short_12","alias_value":"E4UQC3KHGV2Q","created_at":"2026-07-04T16:33:32Z"},{"alias_kind":"pith_short_16","alias_value":"E4UQC3KHGV2QKCXS","created_at":"2026-07-04T16:33:32Z"},{"alias_kind":"pith_short_8","alias_value":"E4UQC3KH","created_at":"2026-07-04T16:33:32Z"}],"graph_snapshots":[{"event_id":"sha256:ebaadda25dfc15f3e81ba9e1fb1609d1e283828aceac44337ae194c2c01275b6","target":"graph","created_at":"2026-07-04T16:33:32Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0212459/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report a theoretical and experimental investigation of Cr-doped AlN. Density functional calculations predict that the isolated Cr t2 defect level in AlN is 1/3 full, falls approximately at midgap, and broadens into an impurity band for concentrations over 5%. Substitutional Al1-xCrxN random alloys with 0.05 <= x <= 0.15 are predicted to have Curie temperatures over 600 K. Experimentally, we have characterized and optimized the molecular beam epitaxy thin film growth process, and observed room temperature ferromagnetism with a coercive field, Hc, of 120 Oersted. The measured magnetic suscept","authors_text":"David J. Smith, H.X. Liu, L. Budd, Lin Gu, M.R. McCartney, M. van Schilfgaarde, N. Newman, R.K. Singh, Stephen Y. Wu","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-12-18T21:19:57Z","title":"Synthesis, characterization and modeling of high quality ferromagnetic Cr-doped AlN thin films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0212459","kind":"arxiv","version":1},"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":"sha256:2908ac05d500257d0469bbb864ee0a2da1f5074330785fcc3dbabceaa34975a2","target":"record","created_at":"2026-07-04T16:33:32Z","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":"4b9802d01caba513a8a0fbb069d426e62125e39136d39061b96a97ef86247818","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2002-12-18T21:19:57Z","title_canon_sha256":"0f12c16390f01f181e571e916a97c0a029dc55dbc21874cb1a6f404e98fdda8c"},"schema_version":"1.0","source":{"id":"cond-mat/0212459","kind":"arxiv","version":1}},"canonical_sha256":"2729016d473575050af2bb80f5560f839bb30c133c939abfc63320e516a0f8a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2729016d473575050af2bb80f5560f839bb30c133c939abfc63320e516a0f8a9","first_computed_at":"2026-07-04T16:33:32.422077Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:33:32.422077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xnubnObi/KrA8/dEgCI9xpb5a+WH0W45vI+MLU4Np48nb8NhbVXyQ72hG82l+GHSBOUwPfmVybEIDRTdUfmqCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:33:32.422442Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0212459","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2908ac05d500257d0469bbb864ee0a2da1f5074330785fcc3dbabceaa34975a2","sha256:ebaadda25dfc15f3e81ba9e1fb1609d1e283828aceac44337ae194c2c01275b6"],"state_sha256":"ebe4d2b6885b872c7394a6094cd0cc299228727401d372fcfefa0068532aba0d"}