{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:3MR6UD3YZCTXUUNBTMFUII55VO","short_pith_number":"pith:3MR6UD3Y","schema_version":"1.0","canonical_sha256":"db23ea0f78c8a77a51a19b0b4423bdabac2e5baece6671db5148970832d82324","source":{"kind":"arxiv","id":"1405.5692","version":1},"attestation_state":"computed","paper":{"title":"Thickness and growth-condition dependence of \\emph{in-situ} mobility and carrier density of epitaxial thin-film Bi$_2$Se$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. X. Zheng, Jack Hellerstedt, J. H. Chen, Mark Edmonds, Michael S. Fuhrer, William G. Cullen","submitted_at":"2014-05-22T09:46:03Z","abstract_excerpt":"Bismuth selenide Bi$_2$Se$_3$ was grown by molecular beam epitaxy while carrier density and mobility were measured directly \\emph{in situ} as a function of film thickness. Carrier density shows high interface n-doping (1.5 x 10$^{13}$ cm$^{-2}$) at the onset of film conduction, and bulk dopant density of $\\sim$5 x 10$^{18}$ cm$^{-3}$, roughly independent of growth temperature profile. Mobility depends more strongly on the growth temperature and is related to the crystalline quality of the samples quantified by \\emph{ex-situ} AFM measurements. These results indicate that Bi$_2$Se$_3$ as prepare"},"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":"1405.5692","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-05-22T09:46:03Z","cross_cats_sorted":[],"title_canon_sha256":"34cb2b65543555be461a46314f92e58e882548f9e7ab5d82ecd4e6af8c61af7f","abstract_canon_sha256":"77a8cc963b9a559acd70f465782089e37568789ea235e375ea02270c14ac61e4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:00.895930Z","signature_b64":"myT3aiD/Uxwqlxp8TAhjM5eNAgOM//Xh2YTocEO5gxg9l4LUXvj1jCfk45CQ8Uqw/0B1L7/jK62bbdllwC1jAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db23ea0f78c8a77a51a19b0b4423bdabac2e5baece6671db5148970832d82324","last_reissued_at":"2026-05-18T02:39:00.895273Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:00.895273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thickness and growth-condition dependence of \\emph{in-situ} mobility and carrier density of epitaxial thin-film Bi$_2$Se$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. X. Zheng, Jack Hellerstedt, J. H. Chen, Mark Edmonds, Michael S. Fuhrer, William G. Cullen","submitted_at":"2014-05-22T09:46:03Z","abstract_excerpt":"Bismuth selenide Bi$_2$Se$_3$ was grown by molecular beam epitaxy while carrier density and mobility were measured directly \\emph{in situ} as a function of film thickness. Carrier density shows high interface n-doping (1.5 x 10$^{13}$ cm$^{-2}$) at the onset of film conduction, and bulk dopant density of $\\sim$5 x 10$^{18}$ cm$^{-3}$, roughly independent of growth temperature profile. Mobility depends more strongly on the growth temperature and is related to the crystalline quality of the samples quantified by \\emph{ex-situ} AFM measurements. These results indicate that Bi$_2$Se$_3$ as prepare"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.5692","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":""},"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":"1405.5692","created_at":"2026-05-18T02:39:00.895363+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.5692v1","created_at":"2026-05-18T02:39:00.895363+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.5692","created_at":"2026-05-18T02:39:00.895363+00:00"},{"alias_kind":"pith_short_12","alias_value":"3MR6UD3YZCTX","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"3MR6UD3YZCTXUUNB","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"3MR6UD3Y","created_at":"2026-05-18T12:28:11.866339+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/3MR6UD3YZCTXUUNBTMFUII55VO","json":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO.json","graph_json":"https://pith.science/api/pith-number/3MR6UD3YZCTXUUNBTMFUII55VO/graph.json","events_json":"https://pith.science/api/pith-number/3MR6UD3YZCTXUUNBTMFUII55VO/events.json","paper":"https://pith.science/paper/3MR6UD3Y"},"agent_actions":{"view_html":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO","download_json":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO.json","view_paper":"https://pith.science/paper/3MR6UD3Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.5692&json=true","fetch_graph":"https://pith.science/api/pith-number/3MR6UD3YZCTXUUNBTMFUII55VO/graph.json","fetch_events":"https://pith.science/api/pith-number/3MR6UD3YZCTXUUNBTMFUII55VO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO/action/storage_attestation","attest_author":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO/action/author_attestation","sign_citation":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO/action/citation_signature","submit_replication":"https://pith.science/pith/3MR6UD3YZCTXUUNBTMFUII55VO/action/replication_record"}},"created_at":"2026-05-18T02:39:00.895363+00:00","updated_at":"2026-05-18T02:39:00.895363+00:00"}