{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ZTKMZ6COEZGAY6KEZ2CSU62JKW","short_pith_number":"pith:ZTKMZ6CO","canonical_record":{"source":{"id":"1108.2021","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-09T19:45:57Z","cross_cats_sorted":[],"title_canon_sha256":"f2efd3d4fa7e85a58b2ae441c8eeb135393d6f61c91f8116a9561a68c5dc164b","abstract_canon_sha256":"bdeeea1996f00e069d546171e13becfdeb0221b24633d14a11d709852de1d40c"},"schema_version":"1.0"},"canonical_sha256":"ccd4ccf84e264c0c7944ce852a7b4955b26c578879c9c964c0c0eb93833120d8","source":{"kind":"arxiv","id":"1108.2021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2021","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2021v1","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2021","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"ZTKMZ6COEZGA","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"ZTKMZ6COEZGAY6KE","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"ZTKMZ6CO","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ZTKMZ6COEZGAY6KEZ2CSU62JKW","target":"record","payload":{"canonical_record":{"source":{"id":"1108.2021","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-09T19:45:57Z","cross_cats_sorted":[],"title_canon_sha256":"f2efd3d4fa7e85a58b2ae441c8eeb135393d6f61c91f8116a9561a68c5dc164b","abstract_canon_sha256":"bdeeea1996f00e069d546171e13becfdeb0221b24633d14a11d709852de1d40c"},"schema_version":"1.0"},"canonical_sha256":"ccd4ccf84e264c0c7944ce852a7b4955b26c578879c9c964c0c0eb93833120d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:51.244444Z","signature_b64":"MCS7tdMhaZmlUpqpCwV9FqeA0ChRNrbJ8oZuQBChgFQu+DJtUSZ/Du9aR2Lv1iZdLlFDxKx7dS46dcEkxEiqBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccd4ccf84e264c0c7944ce852a7b4955b26c578879c9c964c0c0eb93833120d8","last_reissued_at":"2026-05-18T04:11:51.244007Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:51.244007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.2021","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fqkiIoLVSViI5oFGUaxRJItmBWzTdJcI4pFMzMFsNxWwO/yj5o5wbYePzslrfiSphepo2plzESWoIsNVX9LvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T10:53:28.900161Z"},"content_sha256":"25be14bd08fb5957a85985df251756ec56e542ee0aa810ac52e0aec0014e41dc","schema_version":"1.0","event_id":"sha256:25be14bd08fb5957a85985df251756ec56e542ee0aa810ac52e0aec0014e41dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ZTKMZ6COEZGAY6KEZ2CSU62JKW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"BN/Graphene/BN Transistors for RF Applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Allen Hsu, Han Wang, Kenji Watanabe, Pablo Jarillo-Herrero, Takashi Taniguchi, Thiti Taychatanapat, Tomas Palacios","submitted_at":"2011-08-09T19:45:57Z","abstract_excerpt":"In this letter, we demonstrate the first BN/Graphene/BN field effect transistor for RF applications. The BN/Graphene/BN structure can preserve the high mobility of graphene, even when it is sandwiched between a substrate and a gate dielectric. Field effect transistors (FETs) using a bilayer graphene channel have been fabricated with a gate length LG=450 nm. A current density in excess of 1 A/mm and DC transconductance close to 250 mS/mm are achieved for both electron and hole conductions. RF characterization is performed for the first time on this device structure, giving a current-gain cut-of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2021","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DmO5xr/49UAL2iqjCLBghsCxO9WJDXXmH8bAV5XM/5sG+7rZN5SYWCJju+PMp8p7EPlx6JTkeBcmmk91hEbyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T10:53:28.900524Z"},"content_sha256":"64e135d0d03fd0f929dfe73d5e588d2e040b3377b573de55442d7a387a79fef1","schema_version":"1.0","event_id":"sha256:64e135d0d03fd0f929dfe73d5e588d2e040b3377b573de55442d7a387a79fef1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW/bundle.json","state_url":"https://pith.science/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-11T10:53:28Z","links":{"resolver":"https://pith.science/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW","bundle":"https://pith.science/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW/bundle.json","state":"https://pith.science/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZTKMZ6COEZGAY6KEZ2CSU62JKW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ZTKMZ6COEZGAY6KEZ2CSU62JKW","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"bdeeea1996f00e069d546171e13becfdeb0221b24633d14a11d709852de1d40c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-09T19:45:57Z","title_canon_sha256":"f2efd3d4fa7e85a58b2ae441c8eeb135393d6f61c91f8116a9561a68c5dc164b"},"schema_version":"1.0","source":{"id":"1108.2021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2021","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2021v1","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2021","created_at":"2026-05-18T04:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"ZTKMZ6COEZGA","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"ZTKMZ6COEZGAY6KE","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"ZTKMZ6CO","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:64e135d0d03fd0f929dfe73d5e588d2e040b3377b573de55442d7a387a79fef1","target":"graph","created_at":"2026-05-18T04:11:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this letter, we demonstrate the first BN/Graphene/BN field effect transistor for RF applications. The BN/Graphene/BN structure can preserve the high mobility of graphene, even when it is sandwiched between a substrate and a gate dielectric. Field effect transistors (FETs) using a bilayer graphene channel have been fabricated with a gate length LG=450 nm. A current density in excess of 1 A/mm and DC transconductance close to 250 mS/mm are achieved for both electron and hole conductions. RF characterization is performed for the first time on this device structure, giving a current-gain cut-of","authors_text":"Allen Hsu, Han Wang, Kenji Watanabe, Pablo Jarillo-Herrero, Takashi Taniguchi, Thiti Taychatanapat, Tomas Palacios","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-09T19:45:57Z","title":"BN/Graphene/BN Transistors for RF Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2021","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:25be14bd08fb5957a85985df251756ec56e542ee0aa810ac52e0aec0014e41dc","target":"record","created_at":"2026-05-18T04:11:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"bdeeea1996f00e069d546171e13becfdeb0221b24633d14a11d709852de1d40c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-09T19:45:57Z","title_canon_sha256":"f2efd3d4fa7e85a58b2ae441c8eeb135393d6f61c91f8116a9561a68c5dc164b"},"schema_version":"1.0","source":{"id":"1108.2021","kind":"arxiv","version":1}},"canonical_sha256":"ccd4ccf84e264c0c7944ce852a7b4955b26c578879c9c964c0c0eb93833120d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccd4ccf84e264c0c7944ce852a7b4955b26c578879c9c964c0c0eb93833120d8","first_computed_at":"2026-05-18T04:11:51.244007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:51.244007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MCS7tdMhaZmlUpqpCwV9FqeA0ChRNrbJ8oZuQBChgFQu+DJtUSZ/Du9aR2Lv1iZdLlFDxKx7dS46dcEkxEiqBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:51.244444Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.2021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25be14bd08fb5957a85985df251756ec56e542ee0aa810ac52e0aec0014e41dc","sha256:64e135d0d03fd0f929dfe73d5e588d2e040b3377b573de55442d7a387a79fef1"],"state_sha256":"d97992d9cb0d82b18d1a079b18dab909e3c85760aab29f4dc7c88a0397dbf789"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T7D/KxZ1oxSralJO1lmhNY+j2VWeopRASybcf/20lDwOLH6SQEsYmMFJuS3vAjSntABXBcGLl9L5K5lhKMF4Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T10:53:28.902590Z","bundle_sha256":"720e27fe68467c5aab5226e25496b19e9ba65817a78880e6b211e157d4c8a452"}}