{"id":"W2020284835","doi":"10.1063/1.3415527","title":"Growth kinetics and electronic properties of unintentionally doped semi-insulating GaN on SiC and high-resistivity GaN on sapphire grown by ammonia molecular-beam epitaxy","year":2010,"lang":"en","type":"article","venue":"Journal of Applied Physics","topic":"GaN-based semiconductor devices and materials","field":"Physics and Astronomy","cited_by":27,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada; Institute for Microstructural Sciences","funders":"","keywords":"Molecular beam epitaxy; Materials science; Electrical resistivity and conductivity; Sapphire; Epitaxy; Doping; Metalorganic vapour phase epitaxy; Activation energy; Fermi level; Optoelectronics; Layer (electronics); Chemistry; Nanotechnology; Optics; Electron","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":[],"consensus_categories":[],"category_scores_codex":[0.0001879607,0.0002434515,0.0004212266,0.00004891417,0.00008444891,0.00007156942,0.0001414169,0.00005955189,0.00001434769],"category_scores_gemma":[0.000007344754,0.0001964432,0.0000847343,0.00008868539,0.000115821,0.00009180154,0.0000303319,0.0004121031,0.000001268119],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001931165,"about_ca_system_score_gemma":0.00006513385,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005184513,"about_ca_topic_score_gemma":0.000003387147,"domain_scores_codex":[0.9988168,0.00002905478,0.0004151631,0.0002077953,0.0002761289,0.0002550091],"domain_scores_gemma":[0.9989077,0.00005654824,0.0006074531,0.0001558084,0.0001683437,0.0001041265],"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":[0.0001859776,0.0002672834,0.0003183889,0.00006286085,0.0001212902,8.954595e-7,0.0001083586,0.0002343594,0.9620976,0.03540659,0.00005897268,0.00113742],"study_design_scores_gemma":[0.0009748646,0.0003165107,0.001543126,0.0001077968,0.00009865707,0.00000186612,0.0001059087,0.00009586724,0.9822776,0.01417132,0.00009908692,0.000207439],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9989096,0.00003586627,0.0001700807,0.00006517129,0.00009502531,0.0001706417,0.00004186969,0.000007528068,0.0005042043],"genre_scores_gemma":[0.9994249,0.000009580174,0.0001457246,0.00006432274,0.0002816094,0.000005283799,0.00001751189,0.00003339572,0.00001765318],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02123527,"threshold_uncertainty_score":0.8010724,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006553926326476218,"score_gpt":0.2005967991426938,"score_spread":0.1940428728162175,"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."}}