{"id":"W2985416905","doi":"10.1038/s41586-020-2150-y","title":"Direct-bandgap emission from hexagonal Ge and SiGe alloys","year":2020,"lang":"en","type":"article","venue":"Nature","topic":"Semiconductor materials and devices","field":"Engineering","cited_by":374,"is_retracted":false,"has_abstract":false,"ca_institutions":"Polytechnique Montréal","funders":"Leibniz-Gemeinschaft; Provincie Noord-Brabant; Technische Universiteit Eindhoven; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Forschungszentrum Jülich; Leibniz-Rechenzentrum; Deutsches Elektronen-Synchrotron; European Commission","keywords":"Materials science; Band gap; Silicon; Optoelectronics; Direct and indirect band gaps; Semiconductor; Germanium; Light emission; Diamond; Spontaneous emission; Hexagonal crystal system; Diamond cubic; Alloy; Optics; Crystallography; Laser; Chemistry; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001011292,0.0001599244,0.0001420345,0.0002240004,0.0001829317,0.0004555545,0.0003071337,0.0003213967,0.002591854],"category_scores_gemma":[0.0001395771,0.000113107,0.0001642398,0.0001550277,0.0003640772,0.000241919,0.0003523798,0.0001939333,0.0004420463],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003009754,"about_ca_system_score_gemma":0.0001112791,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009560543,"about_ca_topic_score_gemma":0.002343394,"domain_scores_codex":[0.9999363,0.000007201565,0.000001751067,0.00001282795,0.00002057515,0.00002126305],"domain_scores_gemma":[0.9999617,0.00001684782,0.000003828933,0.000004326424,0.000006150718,0.000007084189],"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":[0.0002538067,0.00003264795,0.001333459,0.00008687336,0.00001653675,0.0002198668,0.0001777631,0.000363361,0.9877973,0.005401312,0.0003368081,0.003980382],"study_design_scores_gemma":[0.00004309957,0.0001240463,0.007571669,0.00001360213,0.00001649932,0.0002574227,0.0003044574,0.003689347,0.9830531,0.001514516,0.003397366,0.00001480583],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9900191,0.0004444396,0.001181142,0.00007394308,0.00001719758,0.000004595161,0.00007074846,0.00003061427,0.008158248],"genre_scores_gemma":[0.9936455,0.000129602,0.0007304329,0.00002220127,0.000003589714,0.000003357473,0.00008973901,0.00001518327,0.005360363],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002591854,"threshold_uncertainty_score":0.008670568,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009265361915715932,"score_gpt":0.2117353938501363,"score_spread":0.2024700319344204,"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."}}