{
  "alternatives": [
    {
      "category": "ferroelectric",
      "conditions": {
        "temperature_text": "room temperature"
      },
      "id": "coercive-field-ratio-cln-sln/cln/gopalan1998",
      "kind": "scalar",
      "max": 5,
      "min": 4,
      "name": "Coercive field ratio E_c(CLN)/E_c(SLN)",
      "property": "coercive-field-ratio-cln-sln",
      "provenance": {
        "locator": "abstract",
        "source_id": "gopalan1998",
        "status": "P(abs)",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "uncertainty": {
        "type": "approximate"
      },
      "unit": {
        "display": "-",
        "ucum": "1"
      },
      "variant": "cln",
      "variant_note": "CLN (C = 0.484) vs near-SLN (C = 0.498)"
    },
    {
      "category": "ferroelectric",
      "id": "coercive-field-ratio-cln-sln/cln/volk2008",
      "kind": "scalar",
      "max": 3.5,
      "min": 3.2,
      "name": "Coercive field ratio E_c(CLN)/E_c(SLN)",
      "notes": "Differs from gopalan1998 (4-5); the sources measured different crystals.",
      "property": "coercive-field-ratio-cln-sln",
      "provenance": {
        "derivation": "ratio of the volk2008 Table 7.1 CLN and SLN values; p. 184 states a factor of three (ref. Chen et al. 2001)",
        "locator": "Table 7.1, p. 185; p. 184 ('factor of three', ref. Chen et al. 2001)",
        "source_id": "volk2008",
        "status": "C",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "unit": {
        "display": "-",
        "ucum": "1"
      },
      "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": "coercive-field-ratio-cln-sln",
    "variant": "cln"
  },
  "recommended": [],
  "recommended_note": "No single recommended record: sources disagree or none is primary; see alternatives and spread.",
  "spread": {
    "max": 5,
    "min": 3.2,
    "n_records": 2,
    "note": "Range over all public records regardless of conditions; compare conditions before use.",
    "unit": "1"
  }
}