{
  "counts": {
    "above_hull": 0,
    "entries": 10,
    "intervals": 9,
    "vertices": 10
  },
  "elements": [
    "ND",
    "ZN"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "ND": {
          "energy": -21194.35083805107,
          "phase": "DHCP"
        },
        "ZN": {
          "energy": -12411.984479092973,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -70919.99966825791
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -10.620000086956907
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "DHCP",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -67753.6466423317,
          "right": {
            "phase": "NDZN_B2",
            "x": 0.5
          },
          "slope": -67753.6466423317,
          "x_hi": 0.5,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -23239.999972615842,
            "slope": -24439.999723026227
          },
          "entropy": {
            "intercept": 1.1009998559390954,
            "slope": -12.821999798835098
          },
          "intercept": -23568.263079664095,
          "kind": "two_phase",
          "left": {
            "phase": "NDZN_B2",
            "x": 0.5
          },
          "mu_a_rel": -23568.263079664095,
          "mu_b_rel": -44185.383562667615,
          "right": {
            "phase": "NDZN2",
            "x": 0.6666666666666666
          },
          "slope": -20617.120483003517,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -51276.95997261583,
            "slope": 17615.440276973757
          },
          "entropy": {
            "intercept": 2.376999855939099,
            "slope": -14.735999798835103
          },
          "intercept": -51985.66247966394,
          "kind": "two_phase",
          "left": {
            "phase": "NDZN2",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -51985.66247966394,
          "mu_b_rel": -29976.683862667687,
          "right": {
            "phase": "NDZN3",
            "x": 0.75
          },
          "slope": 22008.97861699625,
          "x_hi": 0.75,
          "x_lo": 0.6666666666666666
        },
        {
          "enthalpy": {
            "intercept": -52788.359972616,
            "slope": 19630.640276973987
          },
          "entropy": {
            "intercept": 1.1499998559393667,
            "slope": -13.09999979883546
          },
          "intercept": -53131.232429664415,
          "kind": "two_phase",
          "left": {
            "phase": "NDZN3",
            "x": 0.75
          },
          "mu_a_rel": -53131.232429664415,
          "mu_b_rel": -29594.827212667526,
          "right": {
            "phase": "ND3ZN11",
            "x": 0.7857142857142857
          },
          "slope": 23536.40521699689,
          "x_hi": 0.7857142857142857,
          "x_lo": 0.75
        },
        {
          "enthalpy": {
            "intercept": -80074.1935210032,
            "slope": 54358.06479310314
          },
          "entropy": {
            "intercept": -17.70967756341598,
            "slope": 10.903226007616801
          },
          "intercept": -74794.05315547061,
          "kind": "two_phase",
          "left": {
            "phase": "ND3ZN11",
            "x": 0.7857142857142857
          },
          "mu_a_rel": -74794.05315547061,
          "mu_b_rel": -23686.78519653857,
          "right": {
            "phase": "ND13ZN58",
            "x": 0.8169014084507042
          },
          "slope": 51107.26795893204,
          "x_hi": 0.8169014084507042,
          "x_lo": 0.7857142857142857
        },
        {
          "enthalpy": {
            "intercept": -80580.35711547296,
            "slope": 54977.678848402335
          },
          "entropy": {
            "intercept": -5.214285858346688,
            "slope": -4.392856941692161
          },
          "intercept": -79025.71778680706,
          "kind": "two_phase",
          "left": {
            "phase": "ND13ZN58",
            "x": 0.8169014084507042
          },
          "mu_a_rel": -79025.71778680706,
          "mu_b_rel": -22738.30864123902,
          "right": {
            "phase": "ND3ZN22",
            "x": 0.88
          },
          "slope": 56287.40914556804,
          "x_hi": 0.88,
          "x_lo": 0.8169014084507042
        },
        {
          "enthalpy": {
            "intercept": -154708.57140118736,
            "slope": 139214.28599125962
          },
          "entropy": {
            "intercept": -55.35857157263205,
            "slope": 52.5892859154503
          },
          "intercept": -138203.41328680783,
          "kind": "two_phase",
          "left": {
            "phase": "ND3ZN22",
            "x": 0.88
          },
          "mu_a_rel": -138203.41328680783,
          "mu_b_rel": -14668.622891238905,
          "right": {
            "phase": "ND2ZN17",
            "x": 0.894736842105263
          },
          "slope": 123534.79039556893,
          "x_hi": 0.894736842105263,
          "x_lo": 0.88
        },
        {
          "enthalpy": {
            "intercept": -226603.99997261597,
            "slope": 219568.00027697394
          },
          "entropy": {
            "intercept": -53.06260014406083,
            "slope": 50.02320020116481
          },
          "intercept": -210783.3857396636,
          "kind": "two_phase",
          "left": {
            "phase": "ND2ZN17",
            "x": 0.894736842105263
          },
          "mu_a_rel": -210783.3857396636,
          "mu_b_rel": -6129.8026026676525,
          "right": {
            "phase": "NDZN11",
            "x": 0.9166666666666666
          },
          "slope": 204653.58313699593,
          "x_hi": 0.9166666666666666,
          "x_lo": 0.894736842105263
        },
        {
          "enthalpy": {
            "intercept": -303999.99662467814,
            "slope": 303999.99662467814
          },
          "entropy": {
            "intercept": -86.49599951591699,
            "slope": 86.49599951591698
          },
          "intercept": -278211.21436900756,
          "kind": "two_phase",
          "left": {
            "phase": "NDZN11",
            "x": 0.9166666666666666
          },
          "mu_a_rel": -278211.21436900756,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 278211.21436900756,
          "x_hi": 1.0,
          "x_lo": 0.9166666666666666
        }
      ],
      "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": -33876.82332116585,
          "energy_per_atom": -33876.82332116585,
          "enthalpy": -35459.999834128954,
          "entries_at_x": 1,
          "entropy": -5.310000043478453,
          "formula": "",
          "nsites": null,
          "phase": "NDZN_B2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -37313.010068333104,
          "energy_per_atom": -37313.010068333104,
          "enthalpy": -39533.33312129999,
          "entries_at_x": 1,
          "entropy": -7.447000009950969,
          "formula": "",
          "nsites": null,
          "phase": "NDZN2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -35478.92851691675,
          "energy_per_atom": -35478.92851691675,
          "enthalpy": -38065.37976488551,
          "entries_at_x": 1,
          "entropy": -8.674999993187228,
          "formula": "",
          "nsites": null,
          "phase": "NDZN3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.75
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -34638.34261630972,
          "energy_per_atom": -34638.34261630972,
          "enthalpy": -37364.2854692793,
          "entries_at_x": 1,
          "entropy": -9.142857128859923,
          "formula": "",
          "nsites": null,
          "phase": "ND3ZN11",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.7857142857142857
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -33044.45397775147,
          "energy_per_atom": -33044.45397775147,
          "enthalpy": -35669.0138308626,
          "entries_at_x": 1,
          "entropy": -8.802816881137467,
          "formula": "",
          "nsites": null,
          "phase": "ND13ZN58",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.8169014084507042
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -29492.79773870718,
          "energy_per_atom": -29492.79773870718,
          "enthalpy": -32199.9997288789,
          "entries_at_x": 1,
          "entropy": -9.07999996703579,
          "formula": "",
          "nsites": null,
          "phase": "ND3ZN22",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.88
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -27672.285038140915,
          "energy_per_atom": -27672.285038140915,
          "enthalpy": -30148.420777428775,
          "entries_at_x": 1,
          "entropy": -8.304999964071264,
          "formula": "",
          "nsites": null,
          "phase": "ND2ZN17",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.894736842105263
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -23184.267864083973,
          "energy_per_atom": -23184.267864083973,
          "enthalpy": -25333.333052056525,
          "entries_at_x": 1,
          "entropy": -7.207999959659752,
          "formula": "",
          "nsites": null,
          "phase": "NDZN11",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9166666666666666
        },
        {
          "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": "HCP_A3",
          "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": "NdZn-09Liu",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:52:15Z",
    "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/NdZn-09Liu.tdb",
    "source_sha256": "76c7a1a6d99b729660c549f3ab8c76425a25e7d9fecce2aae8103040d070318a"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "ND-ZN",
  "x_element": "ZN"
}