{
  "counts": {
    "above_hull": 0,
    "entries": 9,
    "intervals": 8,
    "vertices": 9
  },
  "elements": [
    "ND",
    "NI"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "ND": {
          "energy": -21194.350833993118,
          "phase": "DHCP"
        },
        "NI": {
          "energy": -8883.518874435924,
          "phase": "FCC_A1"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -86303.76653673165
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -26.153810213119186
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "DHCP",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -78506.00802169017,
          "right": {
            "phase": "ND3NI_D011",
            "x": 0.25
          },
          "slope": -78506.00802169017,
          "x_hi": 0.25,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -2890.2599135891105,
            "slope": -74742.72688237521
          },
          "entropy": {
            "intercept": -0.963439932473845,
            "slope": -22.300050483223806
          },
          "intercept": -2603.0102977220886,
          "kind": "two_phase",
          "left": {
            "phase": "ND3NI_D011",
            "x": 0.25
          },
          "mu_a_rel": -2603.0102977220886,
          "mu_b_rel": -70696.9771285239,
          "right": {
            "phase": "ND7NI3_D102",
            "x": 0.30000000000000004
          },
          "slope": -68093.96683080182,
          "x_hi": 0.30000000000000004,
          "x_lo": 0.25
        },
        {
          "enthalpy": {
            "intercept": -10335.02991358914,
            "slope": -49926.82688237511
          },
          "entropy": {
            "intercept": -3.4450099324738535,
            "slope": -14.02815048322378
          },
          "intercept": -9307.90020222203,
          "kind": "two_phase",
          "left": {
            "phase": "ND7NI3_D102",
            "x": 0.30000000000000004
          },
          "mu_a_rel": -9307.90020222203,
          "mu_b_rel": -55052.23401802404,
          "right": {
            "phase": "NDNI_B33",
            "x": 0.5
          },
          "slope": -45744.33381580201,
          "x_hi": 0.5,
          "x_lo": 0.30000000000000004
        },
        {
          "enthalpy": {
            "intercept": -39846.299913589115,
            "slope": 9095.713117624839
          },
          "entropy": {
            "intercept": -13.282109932473816,
            "slope": 5.646049516776146
          },
          "intercept": -35886.23883722205,
          "kind": "two_phase",
          "left": {
            "phase": "NDNI_B33",
            "x": 0.5
          },
          "mu_a_rel": -35886.23883722205,
          "mu_b_rel": -28473.89538302402,
          "right": {
            "phase": "NDNI2_C15",
            "x": 0.6666666666666666
          },
          "slope": 7412.343454198033,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -62371.33991358908,
            "slope": 42883.27311762478
          },
          "entropy": {
            "intercept": -20.790389932473822,
            "slope": 16.908469516776158
          },
          "intercept": -56172.68515522203,
          "kind": "two_phase",
          "left": {
            "phase": "NDNI2_C15",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -56172.68515522203,
          "mu_b_rel": -18330.672224024034,
          "right": {
            "phase": "NDNI3",
            "x": 0.75
          },
          "slope": 37842.012931198,
          "x_hi": 0.75,
          "x_lo": 0.6666666666666666
        },
        {
          "enthalpy": {
            "intercept": -70548.37991358922,
            "slope": 53785.99311762497
          },
          "entropy": {
            "intercept": -23.516129932473845,
            "slope": 20.542789516776185
          },
          "intercept": -63537.04577422222,
          "kind": "two_phase",
          "left": {
            "phase": "NDNI3",
            "x": 0.75
          },
          "mu_a_rel": -63537.04577422222,
          "mu_b_rel": -15875.885351023964,
          "right": {
            "phase": "ND2NI7",
            "x": 0.7777777777777777
          },
          "slope": 47661.16042319826,
          "x_hi": 0.7777777777777777,
          "x_lo": 0.75
        },
        {
          "enthalpy": {
            "intercept": -133313.31991358893,
            "slope": 134483.77311762463
          },
          "entropy": {
            "intercept": -64.26564993247385,
            "slope": 72.9350295167762
          },
          "intercept": -114152.51638622186,
          "kind": "two_phase",
          "left": {
            "phase": "ND2NI7",
            "x": 0.7777777777777777
          },
          "mu_a_rel": -114152.51638622186,
          "mu_b_rel": -1414.3223190240533,
          "right": {
            "phase": "NDNI5_D2D",
            "x": 0.8333333333333333
          },
          "slope": 112738.19406719781,
          "x_hi": 0.8333333333333333,
          "x_lo": 0.7777777777777777
        },
        {
          "enthalpy": {
            "intercept": -127461.05389341053,
            "slope": 127461.05389341053
          },
          "entropy": {
            "intercept": -20.918752010962127,
            "slope": 20.918752010962127
          },
          "intercept": -121224.12798134217,
          "kind": "two_phase",
          "left": {
            "phase": "NDNI5_D2D",
            "x": 0.8333333333333333
          },
          "mu_a_rel": -121224.12798134217,
          "mu_b_rel": -1.4551915228366852e-11,
          "right": {
            "phase": "FCC_A1",
            "x": 1.0
          },
          "slope": 121224.12798134216,
          "x_hi": 1.0,
          "x_lo": 0.8333333333333333
        }
      ],
      "temperature_K": 298.15,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": 0.0,
          "enthalpy": 0.0,
          "entries_at_x": 1,
          "entropy": 0.0,
          "formula": "",
          "nsites": null,
          "phase": "DHCP",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19626.502005422542,
          "energy_per_atom": -19626.502005422542,
          "enthalpy": -21575.941634182913,
          "entries_at_x": 1,
          "entropy": -6.538452553279797,
          "formula": "",
          "nsites": null,
          "phase": "ND3NI_D011",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.25
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -23031.200346962636,
          "energy_per_atom": -23031.200346962636,
          "enthalpy": -25313.077978301677,
          "entries_at_x": 1,
          "entropy": -7.653455077440988,
          "formula": "",
          "nsites": null,
          "phase": "ND7NI3_D102",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.30000000000000004
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -32180.067110123036,
          "energy_per_atom": -32180.067110123036,
          "enthalpy": -35298.4433547767,
          "entries_at_x": 1,
          "entropy": -10.459085174085743,
          "formula": "",
          "nsites": null,
          "phase": "NDNI_B33",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -30944.676534423365,
          "energy_per_atom": -30944.676534423365,
          "enthalpy": -33782.49116850589,
          "entries_at_x": 1,
          "entropy": -9.518076921289719,
          "formula": "",
          "nsites": null,
          "phase": "NDNI2_C15",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -27791.17545682353,
          "energy_per_atom": -27791.17545682353,
          "enthalpy": -30208.88507537049,
          "entries_at_x": 1,
          "entropy": -8.109037794891705,
          "formula": "",
          "nsites": null,
          "phase": "NDNI3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.75
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -26467.254333956917,
          "energy_per_atom": -26467.254333956917,
          "enthalpy": -28714.829710992024,
          "entries_at_x": 1,
          "entropy": -7.538404752759035,
          "formula": "",
          "nsites": null,
          "phase": "ND2NI7",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.7777777777777777
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -20204.021330223703,
          "energy_per_atom": -20204.021330223703,
          "enthalpy": -21243.508982235096,
          "entries_at_x": 1,
          "entropy": -3.4864586684936896,
          "formula": "",
          "nsites": null,
          "phase": "NDNI5_D2D",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.8333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": 0.0,
          "enthalpy": 0.0,
          "entries_at_x": 1,
          "entropy": 0.0,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 1.0
        }
      ]
    }
  ],
  "mp_agreement": {
    "comparable": false,
    "comparable_note": "CALPHAD isotherms have no upstream stability flag to compare against",
    "max_abs_delta_energy_above_hull": 0.0,
    "only_mp_stable": [],
    "only_ours_stable": [],
    "stable_sets_match": true
  },
  "provenance": {
    "assessment": "NdNi-96Du",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:51:54Z",
    "phase_families": {},
    "sample_conditions": {
      "endpoint_tol": 1.0,
      "fit_samples": 65,
      "order_tol": 0.0001,
      "pressure_Pa": 101325.0,
      "redundant_tol": 1.0,
      "refine_tol": 1e-07,
      "step": 0.002,
      "temperature_K": 298.15
    },
    "source_path": "databases/sgte-binary/NdNi-96Du.tdb",
    "source_sha256": "40296ac12169d5afcd58867e43fc7635cab2849b08c0ea76bf5c60f262a9f0fb"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "ND-NI",
  "x_element": "NI"
}