{
  "alternatives": [
    {
      "category": "ferroelectric",
      "conditions": {
        "method": "neutron powder diffraction"
      },
      "id": "curie-temperature/unspecified/boysen1994",
      "kind": "scalar",
      "name": "Curie temperature",
      "notes": "Abstract gives 'about 1430 K' (about 1157 C); composition not seen.",
      "property": "curie-temperature",
      "provenance": {
        "source_id": "boysen1994",
        "status": "P(abs)",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "T_C",
      "uncertainty": {
        "type": "approximate"
      },
      "unit": {
        "display": "K",
        "ucum": "K"
      },
      "value": 1430,
      "variant": "unspecified"
    },
    {
      "category": "ferroelectric",
      "id": "curie-temperature/unspecified/weis1985",
      "kind": "scalar",
      "name": "Curie temperature",
      "notes": "weis1985 p. 192 text says 'below 1210 C' without a reference.",
      "property": "curie-temperature",
      "provenance": {
        "locator": "Table 1, p. 197",
        "original_reference": "Warner, Onoe, Coquin, JASA 42, 1223 (1967)",
        "source_id": "weis1985",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "T_C",
      "unit": {
        "display": "C",
        "ucum": "Cel"
      },
      "value": 1165,
      "variant": "unspecified",
      "variant_note": "Warner et al. 1967 sample"
    }
  ],
  "meta": {
    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "data_version": "0.1.0",
    "documentation": "https://lithium-niobate.com/api/openapi.json",
    "license": {
      "id": "CC-BY-4.0",
      "name": "Creative Commons Attribution 4.0 International",
      "url": "https://creativecommons.org/licenses/by/4.0/"
    },
    "property": "curie-temperature",
    "variant": "unspecified"
  },
  "recommended": [],
  "recommended_note": "No single recommended record: sources disagree or none is primary; see alternatives and spread.",
  "spread": null
}