{"public_id":"cl_107db9b549d8faa2944c6dac0428e7bb","status":"active","superseded_by_public_id":null,"corpus_id":96849674,"text":"Structured green emission in ZnO is associated with Cu2+ ions.","confidence":0.99,"paper":{"corpus_id":96849674,"title":"Role of copper in the green luminescence from ZnO crystals","url":"https://sah.borca.ai/papers/96849674"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.99,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_0932138b4d8488d3d6b9991ca2a42bc3","name":"ZnO crystal","description":"A zinc oxide single crystal used as the material system under investigation.","types":["material"],"url":"https://sah.borca.ai/concepts/co_0932138b4d8488d3d6b9991ca2a42bc3"},{"public_id":"co_d165ab0275c3edb3d25c2989678e78d0","name":"structured green emission","description":"A green luminescence band with discernible spectral structure in the ZnO crystal.","types":["phenomenon","measurement outcome"],"url":"https://sah.borca.ai/concepts/co_d165ab0275c3edb3d25c2989678e78d0"},{"public_id":"co_dcd82193c547d304ee3b33ec484ee08e","name":"Cu2+ ions","description":"Divalent copper ions with a 3d9 electronic configuration detected by EPR after annealing.","types":["ionic species"],"url":"https://sah.borca.ai/concepts/co_dcd82193c547d304ee3b33ec484ee08e"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_107db9b549d8faa2944c6dac0428e7bb"}