{
  "counts": {
    "above_hull": 0,
    "entries": 8,
    "intervals": 7,
    "vertices": 8
  },
  "elements": [
    "GA",
    "GD"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "GA": {
          "energy": -12142.771215129791,
          "phase": "ORTHORHOMBIC_A11"
        },
        "GD": {
          "energy": -20161.15527809023,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -223509.29853682613
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -16.478000028171294
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "ORTHORHOMBIC_A11",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -218596.3828284266,
          "right": {
            "phase": "GA6GD",
            "x": 0.14285714285714285
          },
          "slope": -218596.3828284266,
          "x_hi": 0.14285714285714285,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -9242.134244993093,
            "slope": -158814.35882187448
          },
          "entropy": {
            "intercept": -2.5927672987682984,
            "slope": 1.6713710632067929
          },
          "intercept": -8469.100674865298,
          "kind": "two_phase",
          "left": {
            "phase": "GA6GD",
            "x": 0.14285714285714285
          },
          "mu_a_rel": -8469.100674865298,
          "mu_b_rel": -167781.77877923482,
          "right": {
            "phase": "GA2GD_C32",
            "x": 0.23516853773523436
          },
          "slope": -159312.67810436952,
          "x_hi": 0.23516853773523436,
          "x_lo": 0.14285714285714285
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -46590.27478049213,
                -16545.544797022725,
                1389.65914716704,
                0.060697479872033
              ]
            ],
            "knots": [
              0.23516853773523436,
              0.33333333333333665
            ],
            "max_abs_error": 0.007424162591632921
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -6.734808066911785,
                -0.5004500202868792,
                -0.010187811743260333,
                -0.00027955613103625154
              ],
              [
                -7.24572545507296,
                -0.5216641910388647,
                -0.011082567661154785,
                -0.00037491272248746377
              ],
              [
                -7.778847126495466,
                -0.5449529102887364,
                -0.01227953060714948,
                -0.0005248869734579831
              ],
              [
                -8.33660445436481,
                -0.5710850308298271,
                -0.013951303570109763,
                -0.0007875709105074069
              ],
              [
                -8.922428359675257,
                -0.601347236034697,
                -0.016439103995781856,
                -0.0013101716716841239
              ],
              [
                -9.541524871377415,
                -0.638148550259289,
                -0.02048048704102068,
                -0.0025985568063255915
              ],
              [
                -10.202752465484053,
                -0.686880118828659,
                -0.02765647702919105,
                -0.007506784251453014
              ],
              [
                -10.924795845593358,
                -0.4778173333350129,
                -0.01999131495345674,
                -0.00809949442901603
              ],
              [
                -11.43070398831085,
                -0.3234160698597517,
                -0.014037441245040805,
                -0.02751565382476051
              ]
            ],
            "knots": [
              0.23516853773523436,
              0.24743914256710797,
              0.25970974197460656,
              0.27198034138210514,
              0.28425094078960367,
              0.29652154019710225,
              0.30879213960460083,
              0.3210627390120994,
              0.328731863641786,
              0.33333333333333665
            ],
            "max_abs_error": 0.0008152829574790132
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -44582.29175534234,
              -1918.9848332266047,
              24.731020386143882,
              0.09947089964180122
            ],
            [
              -46476.44609728318,
              -1869.2523680706593,
              25.062442001217505,
              0.08525370430993462
            ],
            [
              -48320.550769648326,
              -1818.8653647703622,
              25.383715878827616,
              0.15292641690280107
            ],
            [
              -50113.87949212296,
              -1767.6395155518892,
              25.874774762724428,
              0.23482765705148267
            ],
            [
              -51855.40940525505,
              -1715.1864608107771,
              26.616597305411005,
              0.3905919562287181
            ],
            [
              -53543.58867680417,
              -1660.7836625055122,
              27.82131477774965,
              0.7748808204996749
            ],
            [
              -55175.77614371145,
              -1602.8240693293994,
              29.961108238237102,
              2.238123955637093
            ],
            [
              -56746.400980846964,
              -960.1555959704327,
              14.44308845657065,
              2.4147284735038284
            ],
            [
              -57689.69875988733,
              -554.963848553833,
              7.2388423160948605,
              8.203983895808733
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.23516853773523436,
            0.24743914256710797,
            0.25970974197460656,
            0.27198034138210514,
            0.28425094078960367,
            0.29652154019710225,
            0.30879213960460083,
            0.3210627390120994,
            0.328731863641786,
            0.33333333333333665
          ],
          "max_abs_error": 0.2430822940368671,
          "phase": "GA2GD_C32",
          "x_hi": 0.33333333333333665,
          "x_lo": 0.23516853773523436
        },
        {
          "enthalpy": {
            "intercept": -60278.29954723907,
            "slope": -4403.400556886583
          },
          "entropy": {
            "intercept": 0.5130002784176249,
            "slope": -21.049200520337443
          },
          "intercept": -60431.250580249216,
          "kind": "two_phase",
          "left": {
            "phase": "GA2GD_C32",
            "x": 0.33333333333333665
          },
          "mu_a_rel": -60431.250580249216,
          "mu_b_rel": -58558.832001997245,
          "right": {
            "phase": "GAGD_B33",
            "x": 0.5
          },
          "slope": 1872.4185782519717,
          "x_hi": 0.5,
          "x_lo": 0.33333333333333665
        },
        {
          "enthalpy": {
            "intercept": -94849.99977709237,
            "slope": 64739.999902819996
          },
          "entropy": {
            "intercept": -12.423600012933823,
            "slope": 4.824000062365452
          },
          "intercept": -91145.90343323587,
          "kind": "two_phase",
          "left": {
            "phase": "GAGD_B33",
            "x": 0.5
          },
          "mu_a_rel": -91145.90343323587,
          "mu_b_rel": -27844.179149010582,
          "right": {
            "phase": "GA2GD3",
            "x": 0.6000000000000001
          },
          "slope": 63301.72428422529,
          "x_hi": 0.6000000000000001,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -139897.99977709213,
            "slope": 139819.9999028196
          },
          "entropy": {
            "intercept": -33.462000012934425,
            "slope": 39.888000062366444
          },
          "intercept": -129921.30447323617,
          "kind": "two_phase",
          "left": {
            "phase": "GA2GD3",
            "x": 0.6000000000000001
          },
          "mu_a_rel": -129921.30447323617,
          "mu_b_rel": -1993.9117890103807,
          "right": {
            "phase": "GA3GD5",
            "x": 0.625
          },
          "slope": 127927.3926842258,
          "x_hi": 0.625,
          "x_lo": 0.6000000000000001
        },
        {
          "enthalpy": {
            "intercept": -140027.99956754633,
            "slope": 140027.99956754633
          },
          "entropy": {
            "intercept": -22.751999930547715,
            "slope": 22.751999930547715
          },
          "intercept": -133244.4907882535,
          "kind": "two_phase",
          "left": {
            "phase": "GA3GD5",
            "x": 0.625
          },
          "mu_a_rel": -133244.4907882535,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 133244.4907882535,
          "x_hi": 1.0,
          "x_lo": 0.625
        }
      ],
      "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": -31228.05468977523,
          "energy_per_atom": -31228.05468977523,
          "enthalpy": -31929.89979097516,
          "entries_at_x": 1,
          "entropy": -2.3540000040244706,
          "formula": "",
          "nsites": null,
          "phase": "GA6GD",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.14285714285714285
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -45934.430227353965,
          "energy_per_atom": -45934.430227353965,
          "enthalpy": -46590.27478049213,
          "entries_at_x": 1,
          "entropy": -2.1997134098209727,
          "formula": "",
          "nsites": null,
          "phase": "GA2GD_C32",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.23516853773523436
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -59807.111054165216,
          "energy_per_atom": -59807.111054165216,
          "enthalpy": -61746.099732867944,
          "entries_at_x": 1,
          "entropy": -6.503399895028259,
          "formula": "",
          "nsites": null,
          "phase": "GA2GD_C32",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.33333333333333665
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -59495.04129112323,
          "energy_per_atom": -59495.04129112323,
          "enthalpy": -62479.99982568236,
          "entries_at_x": 1,
          "entropy": -10.011599981751097,
          "formula": "",
          "nsites": null,
          "phase": "GAGD_B33",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -53164.86886270069,
          "energy_per_atom": -53164.86886270069,
          "enthalpy": -56005.999835400355,
          "entries_at_x": 1,
          "entropy": -9.529199975514551,
          "formula": "",
          "nsites": null,
          "phase": "GA2GD3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6000000000000001
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -49966.68404559506,
          "energy_per_atom": -49966.68404559506,
          "enthalpy": -52510.49983782988,
          "entries_at_x": 1,
          "entropy": -8.531999973955394,
          "formula": "",
          "nsites": null,
          "phase": "GA3GD5",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.625
        },
        {
          "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": "GaGd-19Liu",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:38:29Z",
    "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/GaGd-19Liu.tdb",
    "source_sha256": "c20783412d926e192b4e08c63e9ec61116107de671abb7d20b514c99b4f67534"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "GA-GD",
  "x_element": "GD"
}
