{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:BCQHA5VAPDRCTF7G7QCSSIV3QL","short_pith_number":"pith:BCQHA5VA","schema_version":"1.0","canonical_sha256":"08a07076a078e22997e6fc052922bb82cd10e8301e735e0dddb3d22a41884268","source":{"kind":"arxiv","id":"2409.00850","version":1},"attestation_state":"computed","paper":{"title":"Phonon-Assisted Photoluminescence and Exciton Recombination in Monolayer Aluminum Nitride","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Amit Agarwal, Pushpendra Yadav, Sitangshu Bhattacharya","submitted_at":"2024-09-01T21:48:35Z","abstract_excerpt":"Efficient solid-state photon emitters with longer operating lifetimes in the ultraviolet (UV) wavelength range are crucial for optoelectronic devices. However, finding suitable material candidates has been a significant challenge. Here, we demonstrate that hexagonal aluminum nitride (AlN) monolayers exhibit strong photoluminescence emission within the UV range of 3.94 - 4.05 eV. We show that these emissions in indirect bandgap AlN are facilitated by phonon modes with finite lattice momentum. These phonon modes promote efficient recombination of electrons and holes from the $\\Gamma$ to K point "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2409.00850","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-09-01T21:48:35Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fba66fe4aa87a204a5a6b3b5ea9710e265089234486f4502caaa6b03fe25951c","abstract_canon_sha256":"f0ab86d0a46464e3737544dc87e2a2f8765a0b8213555024ebb8feb93f26c58f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:01:54.271070Z","signature_b64":"lyW3R6vromE2hyWldV4K0CFRxFSqJM17+emwEmiA51j0Oy777ZRcpT5epVwFSAEL3/B6FJCniwjJGBma/Dy0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08a07076a078e22997e6fc052922bb82cd10e8301e735e0dddb3d22a41884268","last_reissued_at":"2026-07-05T09:01:54.270662Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:01:54.270662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phonon-Assisted Photoluminescence and Exciton Recombination in Monolayer Aluminum Nitride","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Amit Agarwal, Pushpendra Yadav, Sitangshu Bhattacharya","submitted_at":"2024-09-01T21:48:35Z","abstract_excerpt":"Efficient solid-state photon emitters with longer operating lifetimes in the ultraviolet (UV) wavelength range are crucial for optoelectronic devices. However, finding suitable material candidates has been a significant challenge. Here, we demonstrate that hexagonal aluminum nitride (AlN) monolayers exhibit strong photoluminescence emission within the UV range of 3.94 - 4.05 eV. We show that these emissions in indirect bandgap AlN are facilitated by phonon modes with finite lattice momentum. These phonon modes promote efficient recombination of electrons and holes from the $\\Gamma$ to K point "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.00850","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/2409.00850/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2409.00850","created_at":"2026-07-05T09:01:54.270718+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.00850v1","created_at":"2026-07-05T09:01:54.270718+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.00850","created_at":"2026-07-05T09:01:54.270718+00:00"},{"alias_kind":"pith_short_12","alias_value":"BCQHA5VAPDRC","created_at":"2026-07-05T09:01:54.270718+00:00"},{"alias_kind":"pith_short_16","alias_value":"BCQHA5VAPDRCTF7G","created_at":"2026-07-05T09:01:54.270718+00:00"},{"alias_kind":"pith_short_8","alias_value":"BCQHA5VA","created_at":"2026-07-05T09:01:54.270718+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL","json":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL.json","graph_json":"https://pith.science/api/pith-number/BCQHA5VAPDRCTF7G7QCSSIV3QL/graph.json","events_json":"https://pith.science/api/pith-number/BCQHA5VAPDRCTF7G7QCSSIV3QL/events.json","paper":"https://pith.science/paper/BCQHA5VA"},"agent_actions":{"view_html":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL","download_json":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL.json","view_paper":"https://pith.science/paper/BCQHA5VA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.00850&json=true","fetch_graph":"https://pith.science/api/pith-number/BCQHA5VAPDRCTF7G7QCSSIV3QL/graph.json","fetch_events":"https://pith.science/api/pith-number/BCQHA5VAPDRCTF7G7QCSSIV3QL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL/action/storage_attestation","attest_author":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL/action/author_attestation","sign_citation":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL/action/citation_signature","submit_replication":"https://pith.science/pith/BCQHA5VAPDRCTF7G7QCSSIV3QL/action/replication_record"}},"created_at":"2026-07-05T09:01:54.270718+00:00","updated_at":"2026-07-05T09:01:54.270718+00:00"}