{
  "schema": "https://www.nanomani.com/data/characterisation/schema.json",
  "schema_version": "0.1.0",
  "updated": "2026-09-11",
  "licence": "CC-BY-4.0",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "nanoMani characterisation examples — https://www.nanomani.com/data/characterisation",
  "note": "Illustrative example records for schema exercise and tooling. Not supplier certifications and not lot-verified CoAs.",
  "records": [
    {
      "id": "ex-swcnt-powder-001",
      "material_class": "swcnt",
      "form": "powder",
      "reported_at": "2026-06-15",
      "supplier_name": "Example Carbon Labs",
      "product_name": "SWCNT research grade A",
      "lot_id": "LOT-DEMO-001",
      "purity_wt_pct": 95,
      "raman_g_d_ratio": 28.4,
      "raman_laser_nm": 532,
      "outer_diameter_nm": { "min": 0.8, "max": 1.6, "mean": 1.2 },
      "length_um": { "min": 1, "max": 5, "mean": 2.5 },
      "chirality_notes": "Mixed chirality; enriched near-armchair fraction stated by supplier.",
      "tem_ref_url": "https://www.nanomani.com/data/characterisation/",
      "method_notes": "Purity by TGA ash; Raman G/D as peak intensity ratio at 532 nm.",
      "licence": "CC-BY-4.0"
    },
    {
      "id": "ex-mwcnt-dispersion-002",
      "material_class": "mwcnt",
      "form": "dispersion",
      "reported_at": "2026-07-02",
      "supplier_name": "Example Carbon Labs",
      "product_name": "MWCNT aqueous 1 wt%",
      "lot_id": "LOT-DEMO-014",
      "purity_wt_pct": 98,
      "raman_g_d_ratio": 1.8,
      "raman_laser_nm": 633,
      "outer_diameter_nm": { "min": 10, "max": 30, "mean": 18 },
      "length_um": { "min": 5, "max": 20 },
      "method_notes": "Dispersed in water with proprietary surfactant; solids by gravimetry.",
      "licence": "CC-BY-4.0"
    },
    {
      "id": "ex-graphene-film-003",
      "material_class": "graphene",
      "form": "film",
      "reported_at": "2026-05-20",
      "supplier_name": "Demo Graphene Works",
      "product_name": "CVD graphene on Cu foil",
      "purity_wt_pct": 99,
      "raman_g_d_ratio": 12.0,
      "raman_laser_nm": 532,
      "coa_ref_url": "https://www.nanomani.com/blog/how-to-read-a-nanomaterial-certificate-of-analysis",
      "method_notes": "Monolayer coverage estimated by optical contrast after transfer; example only.",
      "licence": "CC-BY-4.0"
    },
    {
      "id": "ex-go-powder-004",
      "material_class": "graphene_oxide",
      "form": "powder",
      "reported_at": "2026-04-11",
      "supplier_name": "Demo Graphene Works",
      "product_name": "GO flake powder",
      "purity_wt_pct": 99.5,
      "method_notes": "C/O ratio not encoded in v0 schema; see method_notes until schema expands.",
      "licence": "CC-BY-4.0"
    },
    {
      "id": "ex-nanodiamond-005",
      "material_class": "nanodiamond",
      "form": "dispersion",
      "reported_at": "2026-08-01",
      "supplier_name": "Example Carbon Labs",
      "product_name": "Detonation ND colloid",
      "outer_diameter_nm": { "mean": 5 },
      "purity_wt_pct": 97,
      "licence": "CC-BY-4.0"
    }
  ]
}