{
  "jsonld": {
    "@context": "https://schema.org",
    "@type": "Dataset",
    "about": {
      "@type": "ChemicalSubstance",
      "chemicalComposition": "LiNbO3",
      "name": "lithium niobate"
    },
    "citation": [
      "https://doi.org/10.1007/978-3-540-70766-0"
    ],
    "creator": {
      "@type": "Person",
      "name": "Wentao Jiang"
    },
    "description": "UV absorption edge vs composition of lithium niobate (LiNbO3): 1 provenance-tagged value(s) from 1 source(s) for variant(s) unspecified. Each value carries conditions, uncertainty, the source locator and a status code (P primary, P-comp compilation, P-db database, S secondary, V vendor, C computed).",
    "distribution": [
      {
        "@type": "DataDownload",
        "contentUrl": "https://lithium-niobate.com/api/v1/properties/uv-edge-formula.json",
        "encodingFormat": "application/json"
      },
      {
        "@type": "DataDownload",
        "contentUrl": "https://lithium-niobate.com/api/v1/properties.csv",
        "encodingFormat": "text/csv"
      }
    ],
    "identifier": "https://lithium-niobate.com/api/v1/properties/uv-edge-formula.json",
    "isAccessibleForFree": true,
    "keywords": [
      "lithium niobate",
      "LiNbO3",
      "UV absorption edge vs composition"
    ],
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "name": "LiNbO3 UV absorption edge vs composition",
    "url": "https://lithium-niobate.com/api/v1/properties/uv-edge-formula.json",
    "variableMeasured": [
      {
        "@type": "PropertyValue",
        "measurementTechnique": "absorption coefficient 20 (or 15) cm^-1; E parallel to c, k perpendicular to c",
        "name": "UV absorption edge vs composition (unspecified)",
        "unitText": "nm",
        "value": "lambda_20 = 320.4 - 1.829 x - 5.485 x^2 nm; lambda_15 = 321.9 - 1.597 x - 5.745 x^2 nm; x = (mol% Li2O) - 48.38"
      }
    ],
    "version": "0.1.0"
  },
  "meta": {
    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "count": 1,
    "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": "uv-edge-formula"
  },
  "records": [
    {
      "category": "optical",
      "conditions": {
        "method": "absorption coefficient 20 (or 15) cm^-1; E parallel to c, k perpendicular to c",
        "temperature_C": 22
      },
      "default": true,
      "id": "uv-edge-formula/unspecified/volk2008-kovacs1997",
      "kind": "scalar",
      "name": "UV absorption edge vs composition",
      "property": "uv-edge-formula",
      "provenance": {
        "locator": "Eqs. (6.5)-(6.6), p. 142",
        "original_reference": "kovacs1997 (credited in Fig. 6.4)",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "unit": {
        "display": "nm",
        "ucum": "nm"
      },
      "value_text": "lambda_20 = 320.4 - 1.829 x - 5.485 x^2 nm; lambda_15 = 321.9 - 1.597 x - 5.745 x^2 nm; x = (mol% Li2O) - 48.38",
      "variant": "unspecified"
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}