{
  "schema": "semiagora.2d-heterojunction-ndr-source-spine.v1",
  "version": "2026-08-27-v104",
  "experimentId": "SA-DEV-2D-NDR-005",
  "generatedDate": "2026-08-27",
  "reviewMode": "Primary/open metadata, abstract-level scope, links, and original synthesis only.",
  "rightsBoundary": "No publication body, figure, table, equation, stack, geometry, material value, contact, fabrication condition, measured trace, bias or temperature point, reported ratio, DFT/NEGF result, fit, circuit, application claim, or performance conclusion is mirrored or used numerically.",
  "claimMap": [
    {
      "nodeId": "kn-fm-012",
      "topic": "Energy bands and bandgaps",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-arxiv-2409-04908",
        "src-natcomm-2016-bp-res2-ndr",
        "src-arxiv-1706-08034",
        "src-arxiv-1412-3027"
      ],
      "boundary": "No bandgap, offset, work function, chemical potential, or source equation enters the model."
    },
    {
      "nodeId": "kn-fm-013",
      "topic": "Density of states",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-arxiv-2409-04908",
        "src-arxiv-1706-08034",
        "src-arxiv-1412-3027"
      ],
      "boundary": "The overlap window is not a DOS product, Fermi integral, spectral function, or first-principles result."
    },
    {
      "nodeId": "kn-fm-015",
      "topic": "Heterojunction band alignment",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-arxiv-2409-04908",
        "src-natcomm-2016-bp-res2-ndr"
      ],
      "boundary": "Alignment classes are original labels, not measured or calculated Type-II/Type-III offsets for a material pair."
    },
    {
      "nodeId": "kn-fm-020",
      "topic": "Ballistic and quasi-ballistic transport",
      "sourceIds": [
        "src-arxiv-1706-08034",
        "src-arxiv-1412-3027"
      ],
      "boundary": "No coherence, momentum conservation, scattering time, linewidth, or transmission is calculated or claimed."
    },
    {
      "nodeId": "kn-fm-024",
      "topic": "Traps and hysteresis",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-arxiv-2409-04908"
      ],
      "boundary": "The memory shift is a declared stress test, not a trap density, time constant, or measured hysteresis."
    },
    {
      "nodeId": "kn-fi-061",
      "topic": "Contact formation and specific resistance",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-natcomm-2016-bp-res2-ndr"
      ],
      "boundary": "Series/contact burden is dimensionless and cannot be cited as contact resistance or de-embedding."
    },
    {
      "nodeId": "kn-dv-106",
      "topic": "Tunnel and negative-resistance devices",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-arxiv-2409-04908",
        "src-natcomm-2016-bp-res2-ndr",
        "src-arxiv-1706-08034",
        "src-arxiv-1412-3027"
      ],
      "boundary": "Curve shape alone does not identify a transport mechanism, device class, application advantage, or production path."
    },
    {
      "nodeId": "kn-mp-186",
      "topic": "Electrical I-V and C-V measurement",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-natcomm-2016-bp-res2-ndr",
        "src-arxiv-1706-08034",
        "src-arxiv-1412-3027"
      ],
      "boundary": "The packet names slope, sweep, peak, valley, and rectification evidence without copying or reproducing a measured trace."
    },
    {
      "nodeId": "kn-mp-192",
      "topic": "Confidence and uncertainty",
      "sourceIds": [
        "src-sci-rep-2026-mote2-sns2-ndr",
        "src-arxiv-2409-04908",
        "src-natcomm-2016-bp-res2-ndr",
        "src-arxiv-1706-08034",
        "src-arxiv-1412-3027"
      ],
      "boundary": "No uncertainty interval, noise model, repeatability claim, or statistical significance is inferred from source data."
    }
  ],
  "sources": [
    {
      "id": "src-sci-rep-2026-mote2-sns2-ndr",
      "label": "Gate-tunable NDR in a multifunctional van der Waals heterostructure",
      "organization": "Scientific Reports / research authors",
      "url": "https://www.nature.com/articles/s41598-026-68365-1",
      "sourceClass": "open_peer_reviewed_primary",
      "rights": "Open article link, metadata, abstract-level scope, and original synthesis only; no article body, figure, table, equation, device stack, dimension, process, trace, bias, temperature, ratio, DFT result, or fit is copied.",
      "note": "Primary scope anchor for keeping gate-tunable rectification, NDR, temperature dependence, and mechanism evidence distinct."
    },
    {
      "id": "src-arxiv-2409-04908",
      "label": "Gate-tunable NDR preprint lineage",
      "organization": "arXiv / research authors",
      "url": "https://arxiv.org/abs/2409.04908",
      "sourceClass": "open_preprint_lineage",
      "rights": "Public metadata, abstract, version history, and link only; no source TeX, body, figure, table, equation, device value, trace, or result is copied.",
      "note": "Version-lineage anchor for the later peer-reviewed article."
    },
    {
      "id": "src-natcomm-2016-bp-res2-ndr",
      "label": "Phosphorene/ReS2 heterojunction NDR",
      "organization": "Nature Communications / research authors",
      "url": "https://www.nature.com/articles/ncomms13413",
      "sourceClass": "open_peer_reviewed_primary",
      "rights": "Open article link and metadata only; no body, figure, material stack, measurement, reported metric, circuit, or application claim is copied.",
      "note": "Primary contrast anchor for a broken-gap heterojunction mechanism class."
    },
    {
      "id": "src-arxiv-1706-08034",
      "label": "Coherent interlayer tunneling and NDR",
      "organization": "arXiv / research authors",
      "url": "https://arxiv.org/abs/1706.08034",
      "sourceClass": "open_preprint_primary",
      "rights": "Public metadata, abstract, and link only; no geometry, spectrum, calculation, model parameter, trace, figure, table, or reported performance is copied.",
      "note": "Primary contrast anchor for energy- and momentum-conserving resonant-tunneling evidence."
    },
    {
      "id": "src-arxiv-1412-3027",
      "label": "Gate-tunable resonant tunneling in double bilayer graphene",
      "organization": "arXiv / research authors",
      "url": "https://arxiv.org/abs/1412.3027",
      "sourceClass": "open_preprint_primary",
      "rights": "Public metadata, abstract, and link only; no geometry, calculation, spectrum, model parameter, trace, figure, table, or reported performance is copied.",
      "note": "Primary contrast anchor for alignment-controlled resonance and NDR evidence."
    }
  ],
  "exclusion": "All source-reported numeric values and implementations remain outside the generated model. Source mechanism discussions define questions, not answers for a synthetic curve."
}