{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:PUOQJNJMZZVIZXDNM7GF77P4W4","short_pith_number":"pith:PUOQJNJM","schema_version":"1.0","canonical_sha256":"7d1d04b52cce6a8cdc6d67cc5ffdfcb72145cbc57dc090f3cd5d73549171cdce","source":{"kind":"arxiv","id":"1801.04376","version":1},"attestation_state":"computed","paper":{"title":"Ultimate confinement of phonon propagation in silicon nano-crystalline structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Junichiro Shiomi, Lei Feng, Masayuki Isogawa, Takafumi Oyake, Takuma Shiga, Yoshiaki Nakamura","submitted_at":"2018-01-13T03:51:47Z","abstract_excerpt":"Temperature-dependent thermal conductivity of epitaxial silicon nano-crystalline (SiNC) structures composed of nanometer-sized grains separated by ultra-thin silicon-oxide (SiO2) films is measured by the time domain thermoreflectance technique in the range from 50 to 300 K. Thermal conductivity of SiNC structures with grain size of 3 nm and 5 nm is anomalously low at the entire temperature range, significantly below the values of bulk amorphous Si and SiO2. Phonon gas kinetics model, with intrinsic transport properties obtained by first-principles-based anharmonic lattice dynamics and phonon t"},"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":"1801.04376","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-01-13T03:51:47Z","cross_cats_sorted":[],"title_canon_sha256":"6bbe55e53a3edf96e02c61daa71c5db155b2a30ed86c729da6ce62e8c0d3e931","abstract_canon_sha256":"15fc15c15fa752bd2547368e1c082db9487b0f8b02d84daacb74d6651ddeb78b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:27.545586Z","signature_b64":"wuH5J3S0vBYIxclI2/b3oWmyu8CBqZ+67tpzMf33VmucjFfnWs9eI7OLPwblnBkoJAf+M1SoyMcTPPIJOmG8CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d1d04b52cce6a8cdc6d67cc5ffdfcb72145cbc57dc090f3cd5d73549171cdce","last_reissued_at":"2026-05-18T00:23:27.544954Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:27.544954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultimate confinement of phonon propagation in silicon nano-crystalline structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Junichiro Shiomi, Lei Feng, Masayuki Isogawa, Takafumi Oyake, Takuma Shiga, Yoshiaki Nakamura","submitted_at":"2018-01-13T03:51:47Z","abstract_excerpt":"Temperature-dependent thermal conductivity of epitaxial silicon nano-crystalline (SiNC) structures composed of nanometer-sized grains separated by ultra-thin silicon-oxide (SiO2) films is measured by the time domain thermoreflectance technique in the range from 50 to 300 K. Thermal conductivity of SiNC structures with grain size of 3 nm and 5 nm is anomalously low at the entire temperature range, significantly below the values of bulk amorphous Si and SiO2. Phonon gas kinetics model, with intrinsic transport properties obtained by first-principles-based anharmonic lattice dynamics and phonon t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.04376","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":"1801.04376","created_at":"2026-05-18T00:23:27.545046+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.04376v1","created_at":"2026-05-18T00:23:27.545046+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.04376","created_at":"2026-05-18T00:23:27.545046+00:00"},{"alias_kind":"pith_short_12","alias_value":"PUOQJNJMZZVI","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"PUOQJNJMZZVIZXDN","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"PUOQJNJM","created_at":"2026-05-18T12:32:46.962924+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/PUOQJNJMZZVIZXDNM7GF77P4W4","json":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4.json","graph_json":"https://pith.science/api/pith-number/PUOQJNJMZZVIZXDNM7GF77P4W4/graph.json","events_json":"https://pith.science/api/pith-number/PUOQJNJMZZVIZXDNM7GF77P4W4/events.json","paper":"https://pith.science/paper/PUOQJNJM"},"agent_actions":{"view_html":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4","download_json":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4.json","view_paper":"https://pith.science/paper/PUOQJNJM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.04376&json=true","fetch_graph":"https://pith.science/api/pith-number/PUOQJNJMZZVIZXDNM7GF77P4W4/graph.json","fetch_events":"https://pith.science/api/pith-number/PUOQJNJMZZVIZXDNM7GF77P4W4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4/action/storage_attestation","attest_author":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4/action/author_attestation","sign_citation":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4/action/citation_signature","submit_replication":"https://pith.science/pith/PUOQJNJMZZVIZXDNM7GF77P4W4/action/replication_record"}},"created_at":"2026-05-18T00:23:27.545046+00:00","updated_at":"2026-05-18T00:23:27.545046+00:00"}