{"id":"S90004716","label":"Ferroelectric thin films","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh90004716","normalized_label":"ferroelectric thin films","broader":["http://id.loc.gov/authorities/subjects/sh85134864"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh90004716","provider":"lcsh","revision":"630df70559383702","taxonomy_revision":"f050b5d4780b1289","title":"Ferroelectric thin films","url":"/topics/S90004716","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9569027723553538630","address_version":"morton4x16-v1","coordinates":[0,21,30067,45056],"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}