{"paper":{"title":"Effect of spin-dependent tunneling and intervalley scattering in magnetic-semiconductor van der Waals heterostructures on exciton and trion polarization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"The ratio of electron tunneling time to intervalley scattering and radiative lifetimes sets photoluminescence polarization dynamics and sign in magnetic TMD heterostructures","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"V.N. Mantsevich","submitted_at":"2026-05-09T17:53:08Z","abstract_excerpt":"We present a theoretical analysis of valley pseudospin control in the transition metal dichalcogenide (TMD) monolayer by utilizing the magnetic proximity effect of 2D magnetic layer and, propose self-consistent analysis of photoluminescence (PL) polarization peculiarities in TMD/magnetic material van der Waals heterostructures. We attribute observed peculiarities to the interplay between spin-dependent interlayer charge transfer and intervalley scattering of excitons and trions. The ratio between the electron tunneling timescale and the exciton and trion intervalley scattering lifetimes and ra"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The ratio between the electron tunneling timescale and the exciton and trion intervalley scattering lifetimes and radiative lifetimes determine the PL dynamics. A possibility to switch PL polarization sign due to the quasi-particles dynamics under circularly polarized laser excitations is revealed.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the observed peculiarities in photoluminescence polarization arise primarily from the interplay of spin-dependent interlayer charge transfer and intervalley scattering rather than from other unmodeled processes such as defects, substrate effects, or additional scattering channels.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"The ratio of electron tunneling time to exciton/trion intervalley-scattering and radiative lifetimes sets photoluminescence polarization dynamics in TMD/magnetic van der Waals heterostructures and can produce a sign reversal under circular excitation.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"The ratio of electron tunneling time to intervalley scattering and radiative lifetimes sets photoluminescence polarization dynamics and sign in magnetic TMD heterostructures","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"d67957fde5032be7f5a4f682ad91fa88316c2daade26549887c85096a08da0c4"},"source":{"id":"2605.09088","kind":"arxiv","version":2},"verdict":{"id":"1f4c6c6a-109c-4995-9f18-ad33744273b0","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-12T02:34:34.179384Z","strongest_claim":"The ratio between the electron tunneling timescale and the exciton and trion intervalley scattering lifetimes and radiative lifetimes determine the PL dynamics. A possibility to switch PL polarization sign due to the quasi-particles dynamics under circularly polarized laser excitations is revealed.","one_line_summary":"The ratio of electron tunneling time to exciton/trion intervalley-scattering and radiative lifetimes sets photoluminescence polarization dynamics in TMD/magnetic van der Waals heterostructures and can produce a sign reversal under circular excitation.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the observed peculiarities in photoluminescence polarization arise primarily from the interplay of spin-dependent interlayer charge transfer and intervalley scattering rather than from other unmodeled processes such as defects, substrate effects, or additional scattering channels.","pith_extraction_headline":"The ratio of electron tunneling time to intervalley scattering and radiative lifetimes sets photoluminescence polarization dynamics and sign in magnetic TMD heterostructures"},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.09088/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-19T20:38:02.215518Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_title_agreement","ran_at":"2026-05-19T13:31:18.977997Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_compliance","ran_at":"2026-05-19T10:32:01.679303Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"b2f8080fcaca08297a060a1e43e9b8447a32264ecef5ebd0fee33f62c0904c93"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"3e77d07f456a02d5c5d9b2f6ae74396734981a27e095d1d40c9e25f4d0544899"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}