{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:AWJ2V5NG3N4I6JXI6JBOXCSN4D","short_pith_number":"pith:AWJ2V5NG","schema_version":"1.0","canonical_sha256":"0593aaf5a6db788f26e8f242eb8a4de0f133417c659f28737823acb78a217456","source":{"kind":"arxiv","id":"1312.2321","version":2},"attestation_state":"computed","paper":{"title":"Role of Quantum Confinement in Luminescence Efficiency of Group IV Nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Ronda, D. Grosso, D. J. Lockwood, E. G. Barbagiovanni, G. Amiard, I. Berbezier, L. Favre, M. Faustini, N. L. Rowell, R. N. Costa Filho","submitted_at":"2013-12-09T06:56:22Z","abstract_excerpt":"Experimental results obtained previously for the photoluminescence efficiency (PL$_{eff}$) of Ge quantum dots (QDs) are theoretically studied. A $\\log$-$\\log$ plot of PL$_{eff}$ versus QD diameter ($D$) resulted in an identical slope for each Ge QD sample only when $E_{G}\\sim (D^2+D)^{-1}$. We identified that above $D\\approx$ 6.2 nm: $E_{G}\\sim D^{-1}$ due to a changing effective mass (EM), while below $D\\approx$ 4.6 nm: $E_{G}\\sim D^{-2}$ due to electron/ hole confinement. We propose that as the QD size is initially reduced, the EM is reduced, which increases the Bohr radius and interface sca"},"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":"1312.2321","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-12-09T06:56:22Z","cross_cats_sorted":[],"title_canon_sha256":"35fa282fe19d74c88c04948a6793a7d086a8f80a0fd4f13b9b987bbee0fc52c8","abstract_canon_sha256":"0f87d65a0a7bbe7b7444f85fe3f5ef8ab4ab17840248c1cbc36aba695a7257da"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:57.312700Z","signature_b64":"+D2LchXtSa3Mv55gQSJ00690XRhFBamlvDhMmpeoscs5+aCDgIQkNcm35wmQpGleKqGPNk7HM0zpip1HaaYFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0593aaf5a6db788f26e8f242eb8a4de0f133417c659f28737823acb78a217456","last_reissued_at":"2026-05-18T01:45:57.312048Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:57.312048Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Role of Quantum Confinement in Luminescence Efficiency of Group IV Nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Ronda, D. Grosso, D. J. Lockwood, E. G. Barbagiovanni, G. Amiard, I. Berbezier, L. Favre, M. Faustini, N. L. Rowell, R. N. Costa Filho","submitted_at":"2013-12-09T06:56:22Z","abstract_excerpt":"Experimental results obtained previously for the photoluminescence efficiency (PL$_{eff}$) of Ge quantum dots (QDs) are theoretically studied. A $\\log$-$\\log$ plot of PL$_{eff}$ versus QD diameter ($D$) resulted in an identical slope for each Ge QD sample only when $E_{G}\\sim (D^2+D)^{-1}$. We identified that above $D\\approx$ 6.2 nm: $E_{G}\\sim D^{-1}$ due to a changing effective mass (EM), while below $D\\approx$ 4.6 nm: $E_{G}\\sim D^{-2}$ due to electron/ hole confinement. We propose that as the QD size is initially reduced, the EM is reduced, which increases the Bohr radius and interface sca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2321","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":""},"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":"1312.2321","created_at":"2026-05-18T01:45:57.312148+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.2321v2","created_at":"2026-05-18T01:45:57.312148+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2321","created_at":"2026-05-18T01:45:57.312148+00:00"},{"alias_kind":"pith_short_12","alias_value":"AWJ2V5NG3N4I","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"AWJ2V5NG3N4I6JXI","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"AWJ2V5NG","created_at":"2026-05-18T12:27:38.830355+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/AWJ2V5NG3N4I6JXI6JBOXCSN4D","json":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D.json","graph_json":"https://pith.science/api/pith-number/AWJ2V5NG3N4I6JXI6JBOXCSN4D/graph.json","events_json":"https://pith.science/api/pith-number/AWJ2V5NG3N4I6JXI6JBOXCSN4D/events.json","paper":"https://pith.science/paper/AWJ2V5NG"},"agent_actions":{"view_html":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D","download_json":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D.json","view_paper":"https://pith.science/paper/AWJ2V5NG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.2321&json=true","fetch_graph":"https://pith.science/api/pith-number/AWJ2V5NG3N4I6JXI6JBOXCSN4D/graph.json","fetch_events":"https://pith.science/api/pith-number/AWJ2V5NG3N4I6JXI6JBOXCSN4D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D/action/storage_attestation","attest_author":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D/action/author_attestation","sign_citation":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D/action/citation_signature","submit_replication":"https://pith.science/pith/AWJ2V5NG3N4I6JXI6JBOXCSN4D/action/replication_record"}},"created_at":"2026-05-18T01:45:57.312148+00:00","updated_at":"2026-05-18T01:45:57.312148+00:00"}