{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:T6XQFP3XIS3IZT52A7UP7S666J","short_pith_number":"pith:T6XQFP3X","schema_version":"1.0","canonical_sha256":"9faf02bf7744b68ccfba07e8ffcbdef279fddc79407746bcf33e6fe5c700b4b3","source":{"kind":"arxiv","id":"2208.13269","version":1},"attestation_state":"computed","paper":{"title":"Ultrathin Broadband Metasurface Superabsorbers from a van der Waals Semimetal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Adam D. Alfieri, Christopher Muratore, Deep Jariwala, Huiqin Zhang, Jason Lynch, Joshua R. Hendrickson, Michael J. Motala, Michael Snure, Nicholas R. Glavin, Pawan Kumar, Susanna Post","submitted_at":"2022-08-28T18:44:07Z","abstract_excerpt":"Metamaterials and metasurfaces operating in the visible and near-infrared (NIR) offer a promising route towards next-generation photodetectors and devices for solar energy harvesting. While numerous metamaterials and metasurfaces using metals and semiconductors have been demonstrated, semimetals-based metasurfaces in the vis-NIR range are notably missing. Here, we experimentally demonstrate a broadband metasurface superabsorber based on large area, semimetallic, van der Waals PtSe2 thin films in agreement with electromagnetic simulations. Our results show that PtSe2 is an ultrathin and scalabl"},"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":"2208.13269","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-08-28T18:44:07Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph"],"title_canon_sha256":"fdefd0709cc268432ffda333142ab4b23202f7a5d70264a233b66b190ca5f15f","abstract_canon_sha256":"fea1cb10ded74c880a348b76cb6393b8e7fe93f0e6ad9a0f1e2895fcdec6d59e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:52:06.942727Z","signature_b64":"f6vXOjK8UDlr9SMXXnR1Ahx/X9RimqtxaszRNcjczuZ5+D/ulU3k/iQ629P/4xxPyZ99D72qA/LyFhXXwzmfDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9faf02bf7744b68ccfba07e8ffcbdef279fddc79407746bcf33e6fe5c700b4b3","last_reissued_at":"2026-07-05T04:52:06.942366Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:52:06.942366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultrathin Broadband Metasurface Superabsorbers from a van der Waals Semimetal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Adam D. Alfieri, Christopher Muratore, Deep Jariwala, Huiqin Zhang, Jason Lynch, Joshua R. Hendrickson, Michael J. Motala, Michael Snure, Nicholas R. Glavin, Pawan Kumar, Susanna Post","submitted_at":"2022-08-28T18:44:07Z","abstract_excerpt":"Metamaterials and metasurfaces operating in the visible and near-infrared (NIR) offer a promising route towards next-generation photodetectors and devices for solar energy harvesting. While numerous metamaterials and metasurfaces using metals and semiconductors have been demonstrated, semimetals-based metasurfaces in the vis-NIR range are notably missing. Here, we experimentally demonstrate a broadband metasurface superabsorber based on large area, semimetallic, van der Waals PtSe2 thin films in agreement with electromagnetic simulations. Our results show that PtSe2 is an ultrathin and scalabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.13269","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2208.13269/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2208.13269","created_at":"2026-07-05T04:52:06.942433+00:00"},{"alias_kind":"arxiv_version","alias_value":"2208.13269v1","created_at":"2026-07-05T04:52:06.942433+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.13269","created_at":"2026-07-05T04:52:06.942433+00:00"},{"alias_kind":"pith_short_12","alias_value":"T6XQFP3XIS3I","created_at":"2026-07-05T04:52:06.942433+00:00"},{"alias_kind":"pith_short_16","alias_value":"T6XQFP3XIS3IZT52","created_at":"2026-07-05T04:52:06.942433+00:00"},{"alias_kind":"pith_short_8","alias_value":"T6XQFP3X","created_at":"2026-07-05T04:52:06.942433+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/T6XQFP3XIS3IZT52A7UP7S666J","json":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J.json","graph_json":"https://pith.science/api/pith-number/T6XQFP3XIS3IZT52A7UP7S666J/graph.json","events_json":"https://pith.science/api/pith-number/T6XQFP3XIS3IZT52A7UP7S666J/events.json","paper":"https://pith.science/paper/T6XQFP3X"},"agent_actions":{"view_html":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J","download_json":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J.json","view_paper":"https://pith.science/paper/T6XQFP3X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2208.13269&json=true","fetch_graph":"https://pith.science/api/pith-number/T6XQFP3XIS3IZT52A7UP7S666J/graph.json","fetch_events":"https://pith.science/api/pith-number/T6XQFP3XIS3IZT52A7UP7S666J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J/action/storage_attestation","attest_author":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J/action/author_attestation","sign_citation":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J/action/citation_signature","submit_replication":"https://pith.science/pith/T6XQFP3XIS3IZT52A7UP7S666J/action/replication_record"}},"created_at":"2026-07-05T04:52:06.942433+00:00","updated_at":"2026-07-05T04:52:06.942433+00:00"}