{"id":"W2355000121","doi":"10.2138/am-2002-0105","title":"Electron paramagnetic resonance spectroscopic study of synthetic fluorapatite: Part I. Local structural environment and substitution mechanism of Gd <sup>3+</sup> at the Ca2 site","year":2002,"lang":"en","type":"article","venue":"American Mineralogist","topic":"Geochemistry and Elemental Analysis","field":"Earth and Planetary Sciences","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Saskatchewan","funders":"","keywords":"Electron paramagnetic resonance; Fluorapatite; Chemistry; Paramagnetism; Crystallography; Spectral line; Single crystal; Spectroscopy; Doping; Analytical Chemistry (journal); Nuclear magnetic resonance; Materials science; Mineralogy; Apatite; Condensed matter 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":[0.0001270032,0.0001665841,0.0001588415,0.0001260629,0.0001689794,0.0002200107,0.0002926301,0.0002627827,0.0003476728],"category_scores_gemma":[0.0003717582,0.00008712308,0.0001051747,0.0001680306,0.0002541702,0.0001407279,0.00009206234,0.0002357606,0.00005680489],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001904456,"about_ca_system_score_gemma":0.0001273243,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001318075,"about_ca_topic_score_gemma":0.001091657,"domain_scores_codex":[0.9999055,0.00001559496,0.000006643686,0.00002393875,0.00003435464,0.00001403657],"domain_scores_gemma":[0.9998252,0.00005056478,0.000034388,0.00001961418,0.00005149073,0.00001875998],"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":[0.00004292783,0.000007490657,0.0006121183,0.00003417782,0.000005107448,0.00003869569,0.00001618638,0.00007618241,0.9984087,0.00002435626,0.000006129487,0.0007277864],"study_design_scores_gemma":[0.00001234316,0.0001097224,0.008801204,0.000003180013,0.00001255469,0.0002719797,0.00004419513,0.0007907494,0.9893225,0.00002467618,0.0006003625,0.000006488304],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981724,0.0003639971,0.001040158,0.00001186279,0.000002234321,0.000004736934,0.0001011558,0.00001087252,0.000292474],"genre_scores_gemma":[0.9984177,0.0001405352,0.001010005,0.000008602166,0.000002044737,0.00000696717,0.0001858593,0.000005231154,0.0002229529],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001318075,"threshold_uncertainty_score":0.002620876,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007318281361527283,"score_gpt":0.1884484977347594,"score_spread":0.1811302163732322,"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."}}