{
  "alternatives": [
    {
      "category": "structure",
      "id": "congruent-composition/cln/cti1999",
      "kind": "scalar",
      "name": "Congruent composition",
      "property": "congruent-composition",
      "provenance": {
        "source_id": "cti1999",
        "status": "V",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "uncertainty": {
        "type": "stated",
        "value": 0.01
      },
      "unit": {
        "display": "mol% Li2O",
        "ucum": "%"
      },
      "value": 48.38,
      "variant": "cln"
    }
  ],
  "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": "congruent-composition",
    "variant": "cln"
  },
  "recommended": [
    {
      "category": "structure",
      "default": true,
      "id": "congruent-composition/cln/volk2008",
      "kind": "scalar",
      "name": "Congruent composition",
      "notes": "volk2008 also gives [Li]/[Nb] = 0.94 (p. 9) and R = 0.4845 (p. 5); its UV-edge formula uses 48.38 mol% (p. 142).",
      "property": "congruent-composition",
      "provenance": {
        "locator": "pp. 4-5, 9",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "unit": {
        "display": "mol% Li2O",
        "ucum": "%"
      },
      "value": 48.45,
      "variant": "cln"
    }
  ],
  "recommended_note": null,
  "spread": {
    "max": 48.45,
    "min": 48.38,
    "n_records": 2,
    "note": "Range over all public records regardless of conditions; compare conditions before use.",
    "unit": "%"
  }
}