{"id":"W2952969146","doi":"10.1021/cm0301930","title":"Concentration-Dependent Near-Infrared to Visible Upconversion in Nanocrystalline and Bulk Y<sub>2</sub>O<sub>3</sub>:Er<sup>3+</sup>","year":2003,"lang":"en","type":"article","venue":"Chemistry of Materials","topic":"Luminescence Properties of Advanced Materials","field":"Materials Science","cited_by":302,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"","keywords":"Photon upconversion; Nanocrystalline material; Excited state; Materials science; Analytical Chemistry (journal); Dopant; Erbium; Excitation; Population; Luminescence; Ground state; Infrared; Doping; Atomic physics; Optoelectronics; Chemistry; Optics; Nanotechnology; Physics","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"],"consensus_categories":[],"category_scores_codex":[0.001094015,0.0005350037,0.0009361898,0.00006035555,0.0001760199,0.0003584851,0.0004804199,0.0003017873,0.0006867606],"category_scores_gemma":[0.0007069403,0.0005295228,0.00006777851,0.0002165435,0.0003350891,0.0006323315,0.0002850882,0.0001046399,0.0001559509],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002052955,"about_ca_system_score_gemma":0.0002470523,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002538692,"about_ca_topic_score_gemma":0.000002784688,"domain_scores_codex":[0.9962096,0.0001727211,0.001275393,0.0009541669,0.0005767639,0.0008113104],"domain_scores_gemma":[0.998131,0.00009756585,0.0004726895,0.0007081432,0.0002661766,0.0003244286],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0004094627,0.0001263638,0.0001205499,0.0007981687,0.00001277295,0.00002697552,0.0004554368,0.0007068117,0.9969624,0.00001413685,0.000274329,0.00009263093],"study_design_scores_gemma":[0.001569709,0.00009612778,0.00008708308,0.0003832479,0.00002679177,0.00003585481,0.0003057492,0.00001479117,0.996296,0.0002834715,0.0003268782,0.0005742378],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.997799,0.0001767553,0.00004730061,0.0001412463,0.0005476265,0.0007657364,0.0002205129,0.0001161781,0.0001856928],"genre_scores_gemma":[0.9976573,0.0002099062,0.001520204,0.0001462426,0.0001487075,0.0001007179,0.00007155586,0.0000690214,0.00007636677],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001921351,"threshold_uncertainty_score":0.9997156,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008257102920347233,"score_gpt":0.2132671113562366,"score_spread":0.2050100084358894,"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."}}