{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:NX34YLSGTBQAN4X52RQJ7SSKLZ","short_pith_number":"pith:NX34YLSG","schema_version":"1.0","canonical_sha256":"6df7cc2e46986006f2fdd4609fca4a5e5181482cf262d23a5903c4f165969964","source":{"kind":"arxiv","id":"1901.03455","version":1},"attestation_state":"computed","paper":{"title":"Reduced thermal conductivity of epitaxial GaAs on Si due to symmetry-breaking biaxial strain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alejandro Vega-Flick, Bolin Liao, Daehwan Jung, John E. Bowers, Shengying Yue","submitted_at":"2019-01-11T02:07:16Z","abstract_excerpt":"Epitaxial growth of III-V semiconductors on Si is a promising route for silicon photonics. Threading dislocations and the residual thermal stress generated during growth are expected to affect the thermal conductivity of the III-V semiconductors, which is crucial for efficient heat dissipation from photonic devices built on this platform. In this work, we combine a non-contact laser-induced transient thermal grating technique with ab initio phonon simulations to investigate the in-plane thermal transport of epitaxial GaAs-based buffer layers on Si, employed in the fabrication of III-V quantum "},"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":"1901.03455","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-11T02:07:16Z","cross_cats_sorted":[],"title_canon_sha256":"14cb6cd2e591ca1da0edf1e4b067896ed1a4c92ffa74a65bd7e4541a4522fb4c","abstract_canon_sha256":"fa44f53e4763c50e57f51b85a801cf9dfd298cdd47b8f398e68c72932c720fbc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:08.574164Z","signature_b64":"r9Y/3rTZAjMKen8pPEybjp1WWtghvfC2DON1GrOAO56VPaznzF0tvLzpmEEu+aPpgClUN8Ydcl/IwvLA0M04Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6df7cc2e46986006f2fdd4609fca4a5e5181482cf262d23a5903c4f165969964","last_reissued_at":"2026-05-17T23:50:08.573599Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:08.573599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reduced thermal conductivity of epitaxial GaAs on Si due to symmetry-breaking biaxial strain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alejandro Vega-Flick, Bolin Liao, Daehwan Jung, John E. Bowers, Shengying Yue","submitted_at":"2019-01-11T02:07:16Z","abstract_excerpt":"Epitaxial growth of III-V semiconductors on Si is a promising route for silicon photonics. Threading dislocations and the residual thermal stress generated during growth are expected to affect the thermal conductivity of the III-V semiconductors, which is crucial for efficient heat dissipation from photonic devices built on this platform. In this work, we combine a non-contact laser-induced transient thermal grating technique with ab initio phonon simulations to investigate the in-plane thermal transport of epitaxial GaAs-based buffer layers on Si, employed in the fabrication of III-V quantum "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03455","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":"1901.03455","created_at":"2026-05-17T23:50:08.573662+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.03455v1","created_at":"2026-05-17T23:50:08.573662+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03455","created_at":"2026-05-17T23:50:08.573662+00:00"},{"alias_kind":"pith_short_12","alias_value":"NX34YLSGTBQA","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"NX34YLSGTBQAN4X5","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"NX34YLSG","created_at":"2026-05-18T12:33:24.271573+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/NX34YLSGTBQAN4X52RQJ7SSKLZ","json":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ.json","graph_json":"https://pith.science/api/pith-number/NX34YLSGTBQAN4X52RQJ7SSKLZ/graph.json","events_json":"https://pith.science/api/pith-number/NX34YLSGTBQAN4X52RQJ7SSKLZ/events.json","paper":"https://pith.science/paper/NX34YLSG"},"agent_actions":{"view_html":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ","download_json":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ.json","view_paper":"https://pith.science/paper/NX34YLSG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.03455&json=true","fetch_graph":"https://pith.science/api/pith-number/NX34YLSGTBQAN4X52RQJ7SSKLZ/graph.json","fetch_events":"https://pith.science/api/pith-number/NX34YLSGTBQAN4X52RQJ7SSKLZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ/action/storage_attestation","attest_author":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ/action/author_attestation","sign_citation":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ/action/citation_signature","submit_replication":"https://pith.science/pith/NX34YLSGTBQAN4X52RQJ7SSKLZ/action/replication_record"}},"created_at":"2026-05-17T23:50:08.573662+00:00","updated_at":"2026-05-17T23:50:08.573662+00:00"}