{"paper":{"title":"Nonlinear ferroelectric characteristics of barium titanate nanocrystals determined via a polymer nanocomposite approach","license":"","headline":"Embedding barium titanate nanocrystals in polymer films allows extraction of their intrinsic polarization-electric field loops by deconvolving composite measurements.","cross_cats":["cond-mat.soft","physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Elshad Allahyarov, Lei Zhu, Qiong Li, Tianxiong Ju, Zhiqun Lin","submitted_at":"2025-06-26T01:50:47Z","abstract_excerpt":"The growing demand for high energy storage materials has garnered substantial attention towards lead-free ferroelectric nanocrystals (NCs), such as BaTiO3 (BTO), for next-generation multilayer ceramic capacitors. Notably, it remains challenging to accurately measure the dielectric constant and polarization-electric field (P-E) hysteresis loop for BTO NCs. Herein, we report on nonlinear ferroelectric characteristics of BTO NCs via a polymer nanocomposite approach. Specifically, poly(vinyl pyrrolidone)(PVP)/BTO nanocomposite films of 3-10 μm thickness, containing 380 nm tetragonal-phased and 60 "},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Theoretical deconvolution of the broad experimental P-E loops of the PVP/BTO NC composite films revealed three contributions... Consequently, the Pp-Ep hysteresis loops were obtained for the BTO380 and BTO60 NCs.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The chosen mixing rules and nonlinear dielectric analysis correctly isolate the internal field Ep and polarization Pp of the nanocrystals without significant residual errors from particle-particle interactions or imperfect dispersion.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"A polymer nanocomposite approach extracts the intrinsic Pp-Ep hysteresis loops of BaTiO3 nanocrystals, revealing square ferroelectric loops for 380 nm tetragonal particles and slim paraelectric loops for 60 nm cubic particles.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Embedding barium titanate nanocrystals in polymer films allows extraction of their intrinsic polarization-electric field loops by deconvolving composite measurements.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"876db943e5a3e47d56a3e2e45e65fcca36ca82ee5acf39b611e9931ad708e15f"},"source":{"id":"2507.02926","kind":"arxiv","version":1},"verdict":{"id":"5de5bc78-a8e9-4c18-808d-4a37949199e8","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T21:54:17.728441Z","strongest_claim":"Theoretical deconvolution of the broad experimental P-E loops of the PVP/BTO NC composite films revealed three contributions... Consequently, the Pp-Ep hysteresis loops were obtained for the BTO380 and BTO60 NCs.","one_line_summary":"A polymer nanocomposite approach extracts the intrinsic Pp-Ep hysteresis loops of BaTiO3 nanocrystals, revealing square ferroelectric loops for 380 nm tetragonal particles and slim paraelectric loops for 60 nm cubic particles.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The chosen mixing rules and nonlinear dielectric analysis correctly isolate the internal field Ep and polarization Pp of the nanocrystals without significant residual errors from particle-particle interactions or imperfect dispersion.","pith_extraction_headline":"Embedding barium titanate nanocrystals in polymer films allows extraction of their intrinsic polarization-electric field loops by deconvolving composite measurements."},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":1,"snapshot_sha256":"3275346dcce33ded36c513af8ac4a6548174cf89468f4c68d5e93688d8ceec5d"},"author_claims":{"count":1,"strong_count":1,"snapshot_sha256":"5e3b23b793a24ad44d50f012bed3c12f7c9e9c566d826ad85b79440943422c6c"},"builder_version":"pith-number-builder-2026-05-17-v1"}