{"id":"S85058244","label":"Hafnium oxide","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85058244","normalized_label":"hafnium oxide","broader":["http://id.loc.gov/authorities/subjects/sh85058242","http://id.loc.gov/authorities/subjects/sh85096314"],"aliases":["Hafnia","Hafnium dioxide"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85058244","provider":"lcsh","revision":"f5a41f27d9b1ae29","taxonomy_revision":"f050b5d4780b1289","title":"Hafnium oxide","url":"/topics/S85058244","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290486867143574084","address_version":"morton4x16-v1","coordinates":[0,20,18315,4096],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}