{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:XBVUK6MHKIVCWRARFHCQ45ZTOA","short_pith_number":"pith:XBVUK6MH","schema_version":"1.0","canonical_sha256":"b86b457987522a2b441129c50e7733700dbab6c4aac432be0493e50dc993649a","source":{"kind":"arxiv","id":"0911.4933","version":3},"attestation_state":"computed","paper":{"title":"Photovoltaic effect for narrow-gap Mott insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Efstratios Manousakis","submitted_at":"2009-11-25T19:04:38Z","abstract_excerpt":"We discuss the photovoltaic effect at a p-n heterojunction, in which the illuminated side is a doped Mott insulator, using the simplest description of a Mott insulator within the Hubbard model. We find that the internal quantum efficiency of such a device, if we choose an appropriate narrow-gap Mott insulator, can be significantly enhanced due to impact ionization caused by the photoexcited ``hot'' electron/hole pairs. Namely, the photoexcited electron and/or hole can convert its excess energy beyond the Mott-Hubbard gap to additional electrical energy by creating multiple electron/hole pairs "},"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":"0911.4933","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-25T19:04:38Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"f6dd24f9b3ae6568289c4f82ed317836e0eea13725e97d98908512459da2c21f","abstract_canon_sha256":"12a612a47c1edcfcf08c9ae0e4c05e98b4092d57a0ce255a5defb51919b1ad9e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:36.676593Z","signature_b64":"BMWUTG16lmgIB0x6OkRCjU9/DkUPdqCvin0LcBYEAARAmkZyV6TXKDeGvxMzN2iVaY0wifhO8aiLrmV/CZgoCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b86b457987522a2b441129c50e7733700dbab6c4aac432be0493e50dc993649a","last_reissued_at":"2026-05-18T02:10:36.675978Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:36.675978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photovoltaic effect for narrow-gap Mott insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Efstratios Manousakis","submitted_at":"2009-11-25T19:04:38Z","abstract_excerpt":"We discuss the photovoltaic effect at a p-n heterojunction, in which the illuminated side is a doped Mott insulator, using the simplest description of a Mott insulator within the Hubbard model. We find that the internal quantum efficiency of such a device, if we choose an appropriate narrow-gap Mott insulator, can be significantly enhanced due to impact ionization caused by the photoexcited ``hot'' electron/hole pairs. Namely, the photoexcited electron and/or hole can convert its excess energy beyond the Mott-Hubbard gap to additional electrical energy by creating multiple electron/hole pairs "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.4933","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"0911.4933","created_at":"2026-05-18T02:10:36.676054+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.4933v3","created_at":"2026-05-18T02:10:36.676054+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.4933","created_at":"2026-05-18T02:10:36.676054+00:00"},{"alias_kind":"pith_short_12","alias_value":"XBVUK6MHKIVC","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"XBVUK6MHKIVCWRAR","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"XBVUK6MH","created_at":"2026-05-18T12:26:02.257875+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/XBVUK6MHKIVCWRARFHCQ45ZTOA","json":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA.json","graph_json":"https://pith.science/api/pith-number/XBVUK6MHKIVCWRARFHCQ45ZTOA/graph.json","events_json":"https://pith.science/api/pith-number/XBVUK6MHKIVCWRARFHCQ45ZTOA/events.json","paper":"https://pith.science/paper/XBVUK6MH"},"agent_actions":{"view_html":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA","download_json":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA.json","view_paper":"https://pith.science/paper/XBVUK6MH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.4933&json=true","fetch_graph":"https://pith.science/api/pith-number/XBVUK6MHKIVCWRARFHCQ45ZTOA/graph.json","fetch_events":"https://pith.science/api/pith-number/XBVUK6MHKIVCWRARFHCQ45ZTOA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA/action/storage_attestation","attest_author":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA/action/author_attestation","sign_citation":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA/action/citation_signature","submit_replication":"https://pith.science/pith/XBVUK6MHKIVCWRARFHCQ45ZTOA/action/replication_record"}},"created_at":"2026-05-18T02:10:36.676054+00:00","updated_at":"2026-05-18T02:10:36.676054+00:00"}