{
  "jsonld": {
    "@context": "https://schema.org",
    "@type": "Dataset",
    "about": {
      "@type": "ChemicalSubstance",
      "chemicalComposition": "LiNbO3",
      "name": "lithium niobate"
    },
    "citation": [
      "https://doi.org/10.1007/BF00614817"
    ],
    "creator": {
      "@type": "Person",
      "name": "Wentao Jiang"
    },
    "description": "Pyroelectric coefficient of lithium niobate (LiNbO3): 3 provenance-tagged value(s) from 3 source(s) for variant(s) cln, 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/pyroelectric-p3.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/pyroelectric-p3.json",
    "isAccessibleForFree": true,
    "keywords": [
      "lithium niobate",
      "LiNbO3",
      "Pyroelectric coefficient"
    ],
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "name": "LiNbO3 Pyroelectric coefficient",
    "url": "https://lithium-niobate.com/api/v1/properties/pyroelectric-p3.json",
    "variableMeasured": [
      {
        "@type": "PropertyValue",
        "name": "Pyroelectric coefficient",
        "unitText": "C/(m2.K)"
      }
    ],
    "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": 3,
    "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": "pyroelectric-p3"
  },
  "records": [
    {
      "category": "thermal",
      "conditions": {
        "temperature_C": 25
      },
      "id": "pyroelectric-p3/cln/cti1999",
      "kind": "scalar",
      "name": "Pyroelectric coefficient",
      "notes": "Sign convention not stated in the data sheet.",
      "property": "pyroelectric-p3",
      "provenance": {
        "source_id": "cti1999",
        "status": "V",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "p_3",
      "unit": {
        "display": "C/(m^2 K)",
        "ucum": "C/(m2.K)"
      },
      "value": -8.3e-05,
      "variant": "cln"
    },
    {
      "category": "thermal",
      "conditions": {
        "temperature_text": "room temperature"
      },
      "id": "pyroelectric-p3/unspecified/schwesyg2011",
      "kind": "scalar",
      "name": "Pyroelectric coefficient",
      "property": "pyroelectric-p3",
      "provenance": {
        "locator": "Eq. (2.17)",
        "original_reference": "Bartholomaus, Buse, Deuper, Kratzig, phys. stat. sol. (a) 142, 55 (1994)",
        "source_id": "schwesyg2011",
        "status": "S",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "p_3",
      "unit": {
        "display": "C/(m^2 K)",
        "ucum": "C/(m2.K)"
      },
      "value": -6.4e-05,
      "variant": "unspecified",
      "variant_note": "'crystals of different compositions'"
    },
    {
      "category": "thermal",
      "conditions": {
        "temperature_text": "room temperature"
      },
      "frame": {
        "convention": "IRE-1949",
        "handedness": "right",
        "setting": "crystal-physics",
        "x": "a axis, perpendicular to a mirror plane",
        "y": "in a mirror plane",
        "z": "polar c axis",
        "z_sign_definition": "+c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (weis1985 pp. 192-193)"
      },
      "id": "pyroelectric-p3/unspecified/weis1985",
      "kind": "scalar",
      "name": "Pyroelectric coefficient",
      "notes": "p3 < 0 means that on cooling the +c face becomes more positive (weis1985 p. 196). Magnitudes across sources span 4-9.5e-5 C/(m^2 K).",
      "property": "pyroelectric-p3",
      "provenance": {
        "locator": "Eq. (2), p. 196",
        "original_reference": "Savage, J. Appl. Phys. 37, 3071 (1966)",
        "source_id": "weis1985",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "p_3",
      "unit": {
        "display": "C/(m^2 K)",
        "ucum": "C/(m2.K)"
      },
      "value": -4e-05,
      "variant": "unspecified"
    }
  ]
}