{"id":"W2893309024","doi":"10.1103/physrevmaterials.2.123601","title":"Lifetime-shortened acoustic phonons and static order at the Brillouin zone boundary in the organic-inorganic perovskite <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mrow><mml:msub><mml:mi>CH</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>NH</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>PbCl</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>","year":2018,"lang":"lv","type":"article","venue":"Physical Review Materials","topic":"Perovskite Materials and Applications","field":"Engineering","cited_by":17,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"Office of Naval Research; Engineering and Physical Sciences Research Council; National Institute of Standards and Technology; Science and Technology Facilities Council; U.S. Department of Commerce","keywords":"Perovskite (structure); Brillouin zone; Materials science; Phonon; Order (exchange); Boundary (topology); Brillouin scattering; Condensed matter physics; Thermodynamics; Crystallography; Physics; Mathematical analysis; Quantum mechanics; Mathematics; Chemistry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","sts","scholarly_communication","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","sts","research_integrity","insufficient_payload"],"category_scores_codex":[0.005219713,0.002386073,0.001300092,0.0008834064,0.004081572,0.004466407,0.005213197,0.003216755,0.6681912],"category_scores_gemma":[0.00345444,0.004045858,0.00282045,0.003430925,0.004137826,0.002575523,0.004618612,0.002826632,0.007878606],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007632394,"about_ca_system_score_gemma":0.002798708,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003223892,"about_ca_topic_score_gemma":0.004298701,"domain_scores_codex":[0.9797036,0.001922289,0.004758582,0.003924613,0.004354904,0.00533599],"domain_scores_gemma":[0.9838834,0.003581172,0.003885032,0.005856679,0.0004978055,0.00229589],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.002179194,0.001103638,0.00001781857,0.007535952,0.003728322,0.001610402,0.004778151,0.001138777,0.1089341,0.08279585,0.7822337,0.003944181],"study_design_scores_gemma":[0.003055453,0.002227767,0.0001728302,0.004571653,0.004842761,0.0022073,0.001692199,0.002692499,0.9538252,0.0008838437,0.01982117,0.004007316],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.764523,0.009456419,0.001463923,0.002792651,0.005955262,0.000327474,0.00287289,0.0007752758,0.2118331],"genre_scores_gemma":[0.9628347,0.01381435,0.001951019,0.004322893,0.005702153,0.004393616,0.004277821,0.00227318,0.0004302963],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8448911,"threshold_uncertainty_score":0.9994739,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01502091452555449,"score_gpt":0.2467580619267362,"score_spread":0.2317371474011817,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}