{
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    "@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": "Electro-optic coefficient r22, unclamped of lithium niobate (LiNbO3): 1 provenance-tagged value(s) from 1 source(s) for variant(s) cln. 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).",
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    "identifier": "https://lithium-niobate.com/api/v1/properties/eo-r22-T.json",
    "isAccessibleForFree": true,
    "keywords": [
      "lithium niobate",
      "LiNbO3",
      "Electro-optic coefficient r22, unclamped"
    ],
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "name": "LiNbO3 Electro-optic coefficient r22, unclamped",
    "url": "https://lithium-niobate.com/api/v1/properties/eo-r22-T.json",
    "variableMeasured": [
      {
        "@type": "PropertyValue",
        "name": "Electro-optic coefficient r22, unclamped",
        "unitText": "pm/V"
      }
    ],
    "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": "eo-r22-T"
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  "records": [
    {
      "category": "optical",
      "conditions": {
        "mechanical_boundary": "T"
      },
      "id": "eo-r22-T/cln/volk2008-yonekura2007",
      "kind": "scalar",
      "name": "Electro-optic coefficient r22, unclamped",
      "notes": "Labelled 'constant stress (clamped)' in the source, which contradicts itself (constant stress = unclamped, T); the magnitude fits T values. CLN:5%Mg 6.2 and near-SLN:1.8%Mg 6.97 pm/V in the same report.",
      "property": "eo-r22-T",
      "provenance": {
        "locator": "p. 150",
        "original_reference": "Yonekura et al., Opt. Rev. 14, 194 (2007)",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "r22^T",
      "tensor_component": "r22",
      "unit": {
        "display": "pm/V",
        "ucum": "pm/V"
      },
      "value": 6.54,
      "variant": "cln"
    }
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}