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      "@type": "ChemicalSubstance",
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    "description": "Thermal conductivity of lithium niobate (LiNbO3): 4 provenance-tagged value(s) from 3 source(s) for variant(s) cln, sln, 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).",
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    "name": "LiNbO3 Thermal conductivity",
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        "unitText": "W/(m.K)",
        "value": 3.92
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        "unitText": "W/(m.K)",
        "value": 5.97
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    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "count": 4,
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        "temperature_C": 25
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      "kind": "scalar",
      "name": "Thermal conductivity",
      "property": "thermal-conductivity",
      "provenance": {
        "derivation": "converted from 1.0e-2 cal/(cm s C)",
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        "status": "V",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "kappa",
      "uncertainty": {
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        "locator": "Table 1.1, p. 3",
        "original_reference": "Nakamura et al., J. Cryst. Growth 290, 144 (2006)",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "kappa",
      "unit": {
        "display": "W/(m K)",
        "qudt": "http://qudt.org/vocab/unit/W-PER-M-K",
        "ucum": "W/(m.K)"
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        "transcribed": "2026-10-25"
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        "display": "W/(m K)",
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      "name": "Thermal conductivity",
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        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "kappa",
      "unit": {
        "display": "W/(m K)",
        "qudt": "http://qudt.org/vocab/unit/W-PER-M-K",
        "ucum": "W/(m.K)"
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