{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:IKLPCZIBNIPGB27RNBTHVU2CRO","short_pith_number":"pith:IKLPCZIB","schema_version":"1.0","canonical_sha256":"4296f165016a1e60ebf168667ad3428bab4515aa86dc653cf877e65a9712ecac","source":{"kind":"arxiv","id":"2105.05988","version":1},"attestation_state":"computed","paper":{"title":"Multiple magneto-ionic regimes in Ta/Co$_{20}$Fe$_{60}$B$_{20}$/HfO$_{2}$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"A. Di Pietro, D. Ourdani, D. Ravelosona, G. Durin, J. Langer, J. W. van der Jagt, L. Herrera Diez, M.-A. Syskaki, M. Belmeguenai, M. Ch\\'erif, M. S. Gabor, R. Pachat, S. Ono, Y. Roussign\\'e","submitted_at":"2021-05-12T22:06:34Z","abstract_excerpt":"In Ta/CoFeB/HfO2 stacks a gate voltage drives, in a nonvolatile way, the system from an underoxidized state exhibiting in-plane anisotropy (IPA) to an optimum oxidation level resulting in perpendicular anisotropy (PMA) and further into an overoxidized state with IPA. The IPA$\\,\\to\\,$PMA regime is found to be significantly faster than the PMA$\\,\\to\\,$IPA regime, while only the latter shows full reversibility under the same gate voltages. The effective damping parameter also shows a marked dependence with gate voltage in the IPA$\\,\\to\\,$PMA regime, going from 0.029 to 0.012, and only a modest in"},"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":"2105.05988","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2021-05-12T22:06:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"7954087001d904e2ac4c6c5fd78b833b2f520810bb6acdd2927a77da5cb6b907","abstract_canon_sha256":"eb95f4ca9c57d6b99fc24414fd4b7d7df21c4a201cd67735bab84c77427b1b3c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:53:43.938532Z","signature_b64":"iNz3owzyx9EXs2vHcR1t0HkgOSi+kqrZ4rl/9N17NrFEnA+SdaKmd51inVhGn4nDZ7BkAObhObaAcpwt7HbzDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4296f165016a1e60ebf168667ad3428bab4515aa86dc653cf877e65a9712ecac","last_reissued_at":"2026-07-05T02:53:43.938068Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:53:43.938068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multiple magneto-ionic regimes in Ta/Co$_{20}$Fe$_{60}$B$_{20}$/HfO$_{2}$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"A. Di Pietro, D. Ourdani, D. Ravelosona, G. Durin, J. Langer, J. W. van der Jagt, L. Herrera Diez, M.-A. Syskaki, M. Belmeguenai, M. Ch\\'erif, M. S. Gabor, R. Pachat, S. Ono, Y. Roussign\\'e","submitted_at":"2021-05-12T22:06:34Z","abstract_excerpt":"In Ta/CoFeB/HfO2 stacks a gate voltage drives, in a nonvolatile way, the system from an underoxidized state exhibiting in-plane anisotropy (IPA) to an optimum oxidation level resulting in perpendicular anisotropy (PMA) and further into an overoxidized state with IPA. The IPA$\\,\\to\\,$PMA regime is found to be significantly faster than the PMA$\\,\\to\\,$IPA regime, while only the latter shows full reversibility under the same gate voltages. The effective damping parameter also shows a marked dependence with gate voltage in the IPA$\\,\\to\\,$PMA regime, going from 0.029 to 0.012, and only a modest in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.05988","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/2105.05988/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":"2105.05988","created_at":"2026-07-05T02:53:43.938125+00:00"},{"alias_kind":"arxiv_version","alias_value":"2105.05988v1","created_at":"2026-07-05T02:53:43.938125+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.05988","created_at":"2026-07-05T02:53:43.938125+00:00"},{"alias_kind":"pith_short_12","alias_value":"IKLPCZIBNIPG","created_at":"2026-07-05T02:53:43.938125+00:00"},{"alias_kind":"pith_short_16","alias_value":"IKLPCZIBNIPGB27R","created_at":"2026-07-05T02:53:43.938125+00:00"},{"alias_kind":"pith_short_8","alias_value":"IKLPCZIB","created_at":"2026-07-05T02:53:43.938125+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/IKLPCZIBNIPGB27RNBTHVU2CRO","json":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO.json","graph_json":"https://pith.science/api/pith-number/IKLPCZIBNIPGB27RNBTHVU2CRO/graph.json","events_json":"https://pith.science/api/pith-number/IKLPCZIBNIPGB27RNBTHVU2CRO/events.json","paper":"https://pith.science/paper/IKLPCZIB"},"agent_actions":{"view_html":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO","download_json":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO.json","view_paper":"https://pith.science/paper/IKLPCZIB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2105.05988&json=true","fetch_graph":"https://pith.science/api/pith-number/IKLPCZIBNIPGB27RNBTHVU2CRO/graph.json","fetch_events":"https://pith.science/api/pith-number/IKLPCZIBNIPGB27RNBTHVU2CRO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO/action/storage_attestation","attest_author":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO/action/author_attestation","sign_citation":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO/action/citation_signature","submit_replication":"https://pith.science/pith/IKLPCZIBNIPGB27RNBTHVU2CRO/action/replication_record"}},"created_at":"2026-07-05T02:53:43.938125+00:00","updated_at":"2026-07-05T02:53:43.938125+00:00"}