{
  "counts": {
    "above_hull": 0,
    "entries": 8,
    "intervals": 7,
    "vertices": 8
  },
  "elements": [
    "GA",
    "LU"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "GA": {
          "energy": -12142.7711890437,
          "phase": "ORTHORHOMBIC_A11"
        },
        "LU": {
          "energy": -15194.05260204742,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -189015.99931636712
          },
          "entropy": {
            "intercept": 0.0,
            "slope": 28.879999877608384
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "ORTHORHOMBIC_A11",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -197626.57127987588,
          "right": {
            "phase": "GA3LU_L12",
            "x": 0.25
          },
          "slope": -197626.57127987588,
          "x_hi": 0.25,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -20046.999810984023,
            "slope": -108828.00007243102
          },
          "entropy": {
            "intercept": 5.179999960885965,
            "slope": 8.160000034064526
          },
          "intercept": -21591.41679932207,
          "kind": "two_phase",
          "left": {
            "phase": "GA3LU_L12",
            "x": 0.25
          },
          "mu_a_rel": -21591.41679932207,
          "mu_b_rel": -132852.32088190966,
          "right": {
            "phase": "GA2LU",
            "x": 0.3333333333333333
          },
          "slope": -111260.9040825876,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.25
        },
        {
          "enthalpy": {
            "intercept": -37994.99981098392,
            "slope": -54984.00007243132
          },
          "entropy": {
            "intercept": 3.419999960885919,
            "slope": 13.440000034064662
          },
          "intercept": -39014.672799322085,
          "kind": "two_phase",
          "left": {
            "phase": "GA2LU",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -39014.672799322085,
          "mu_b_rel": -98005.80888190964,
          "right": {
            "phase": "GA5LU3",
            "x": 0.375
          },
          "slope": -58991.13608258756,
          "x_hi": 0.375,
          "x_lo": 0.3333333333333333
        },
        {
          "enthalpy": {
            "intercept": -59606.99981098409,
            "slope": 2647.9999275691225
          },
          "entropy": {
            "intercept": 10.919999960885917,
            "slope": -6.559999965935333
          },
          "intercept": -62862.79779932216,
          "kind": "two_phase",
          "left": {
            "phase": "GA5LU3",
            "x": 0.375
          },
          "mu_a_rel": -62862.79779932216,
          "mu_b_rel": -58258.933881909514,
          "right": {
            "phase": "GALU_B33",
            "x": 0.5
          },
          "slope": 4603.863917412644,
          "x_hi": 0.5,
          "x_lo": 0.375
        },
        {
          "enthalpy": {
            "intercept": -99414.13555459544,
            "slope": 82262.27141479185
          },
          "entropy": {
            "intercept": 12.862275349275695,
            "slope": -10.444550742714886
          },
          "intercept": -103249.02294998194,
          "kind": "two_phase",
          "left": {
            "phase": "GALU_B33",
            "x": 0.5
          },
          "mu_a_rel": -103249.02294998194,
          "mu_b_rel": -17872.708731249717,
          "right": {
            "phase": "GA3LU5",
            "x": 0.6247951930681811
          },
          "slope": 85376.31421873222,
          "x_hi": 0.6247951930681811,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -48017.06380376346,
                13.053348363327622,
                0.010848480209959988,
                -0.00025205845899911594
              ]
            ],
            "knots": [
              0.6247951930681811,
              0.624999999999353
            ],
            "max_abs_error": 3.618974733399227e-05
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.8351583179171174,
                -0.013997530798097024,
                0.004854953686055482,
                -0.0065585633570427425
              ]
            ],
            "knots": [
              0.6247951930681811,
              0.624999999999353
            ],
            "max_abs_error": 0.0007335398750916156
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -48266.066256250444,
              17.22671217069012,
              -1.4366559611331837,
              1.9551836064016612
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.6247951930681811,
            0.624999999999353
          ],
          "max_abs_error": 0.21866900914756116,
          "phase": "GA3LU5",
          "x_hi": 0.624999999999353,
          "x_lo": 0.6247951930681811
        },
        {
          "enthalpy": {
            "intercept": -128010.66629038812,
            "slope": 128010.66629038812
          },
          "entropy": {
            "intercept": 16.85333330839687,
            "slope": -16.85333330839687
          },
          "intercept": -133035.48761628667,
          "kind": "two_phase",
          "left": {
            "phase": "GA3LU5",
            "x": 0.624999999999353
          },
          "mu_a_rel": -133035.48761628667,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 133035.48761628667,
          "x_hi": 1.0,
          "x_lo": 0.624999999999353
        }
      ],
      "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": "ORTHORHOMBIC_A11",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -49406.64281996897,
          "energy_per_atom": -49406.64281996897,
          "enthalpy": -47253.99982909178,
          "entries_at_x": 1,
          "entropy": 7.219999969402096,
          "formula": "",
          "nsites": null,
          "phase": "GA3LU_L12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.25
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -58678.38482685127,
          "energy_per_atom": -58678.38482685127,
          "enthalpy": -56322.999835127695,
          "entries_at_x": 1,
          "entropy": 7.899999972240806,
          "formula": "",
          "nsites": null,
          "phase": "GA2LU",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -61136.348830292416,
          "energy_per_atom": -61136.348830292416,
          "enthalpy": -58613.99983814567,
          "entries_at_x": 1,
          "entropy": 8.459999973660167,
          "formula": "",
          "nsites": null,
          "phase": "GA5LU3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.375
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -60560.865840615836,
          "energy_per_atom": -60560.865840615836,
          "enthalpy": -58282.99984719953,
          "entries_at_x": 1,
          "entropy": 7.639999977918251,
          "formula": "",
          "nsites": null,
          "phase": "GALU_B33",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -49906.31222423945,
          "energy_per_atom": -49906.31222423945,
          "enthalpy": -48017.06380376346,
          "entries_at_x": 1,
          "entropy": 6.336570251470732,
          "formula": "",
          "nsites": null,
          "phase": "GA3LU5",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6247951930681811
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -49888.307856193576,
          "energy_per_atom": -49888.307856193576,
          "enthalpy": -48003.99985897837,
          "entries_at_x": 1,
          "entropy": 6.319999990659731,
          "formula": "",
          "nsites": null,
          "phase": "GA3LU5",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.624999999999353
        },
        {
          "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": "GaLu-22Ait-ass",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:38:40Z",
    "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/GaLu-22Ait-ass.tdb",
    "source_sha256": "acd5a01972394d22fe1a8399f35314deaf3f214784d460e76630ed1dd5cbf297"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "GA-LU",
  "x_element": "LU"
}