{
  "counts": {
    "above_hull": 0,
    "entries": 11,
    "intervals": 10,
    "vertices": 11
  },
  "elements": [
    "CU",
    "GA"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CU": {
          "energy": -9883.671643079064,
          "phase": "FCC_A1"
        },
        "GA": {
          "energy": -12142.7710135,
          "phase": "ORTHORHOMBIC_A11"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                -12655.552687405056,
                4566.891821585983,
                -391.5076362118907
              ]
            ],
            "knots": [
              0.0,
              0.17170864407246506
            ],
            "max_abs_error": 0.019301504985378415
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                1.5341646248289957,
                -0.9398835464730937,
                0.16767145130858535
              ]
            ],
            "knots": [
              0.0,
              0.17170864407246506
            ],
            "max_abs_error": 8.015112309855965e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              -13112.963870298097,
              4847.118100967422,
              -441.498879419747
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.17170864407246506
          ],
          "max_abs_error": 0.02168360476480302,
          "phase": "FCC_A1",
          "x_hi": 0.17170864407246506,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -2949.6145077561923,
            "slope": -32208.943377019194
          },
          "entropy": {
            "intercept": 4.968309650416183,
            "slope": -2.2914856083173203
          },
          "intercept": -4430.916030027776,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.17170864407246506
          },
          "mu_a_rel": -4430.916030027776,
          "mu_b_rel": -35956.652972927135,
          "right": {
            "phase": "CU3GA_D019",
            "x": 0.222
          },
          "slope": -31525.73694289936,
          "x_hi": 0.222,
          "x_lo": 0.17170864407246506
        },
        {
          "enthalpy": {
            "intercept": -3282.3857183297514,
            "slope": -30709.97396002118
          },
          "entropy": {
            "intercept": 5.54611766751175,
            "slope": -4.894224424063119
          },
          "intercept": -4935.96070089837,
          "kind": "two_phase",
          "left": {
            "phase": "CU3GA_D019",
            "x": 0.222
          },
          "mu_a_rel": -4935.96070089837,
          "mu_b_rel": -34186.72164888514,
          "right": {
            "phase": "CUGA_GAM_1",
            "x": 0.3010182538048996
          },
          "slope": -29250.76094798677,
          "x_hi": 0.3010182538048996,
          "x_lo": 0.222
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -12526.648454169264,
                -252.68279767432622,
                28.66280836348571,
                2.9766385517325773
              ],
              [
                -12747.691804928376,
                -186.42183055148186,
                38.14615609486002,
                -1.874318885872455
              ],
              [
                -12897.841798270865,
                -115.75306527627629,
                31.26365781248837,
                -2.0401282077263616
              ],
              [
                -12984.371333942383,
                -59.34708847509113,
                25.28229494400401,
                -0.7619218899369891
              ]
            ],
            "knots": [
              0.3010182538048996,
              0.3086465201361543,
              0.31627477335521026,
              0.3239030265742663,
              0.33153127906906643
            ],
            "max_abs_error": 0.0602482510075788
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -1.0132945354093117,
                -0.15252604047532126,
                0.02053088655293374,
                0.007805957301968577
              ],
              [
                -1.1374837320297306,
                -0.08803116176688582,
                0.04541052970528148,
                -0.006208290036865297
              ],
              [
                -1.1863126541282005,
                -0.015837691933609867,
                0.023109075129346818,
                -0.005627589935312897
              ],
              [
                -1.1846688608677765,
                0.01349470863248237,
                0.006816869602936138,
                -0.0015882558215008953
              ]
            ],
            "knots": [
              0.3010182538048996,
              0.3086465201361543,
              0.31627477335521026,
              0.3239030265742663,
              0.33153127906906643
            ],
            "max_abs_error": 0.0001654403127133719
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -12224.534688436972,
              -414.4139612453713,
              92.06669328223262,
              2.739275957576581
            ],
            [
              -12544.142680442535,
              -222.06210431081485,
              97.31008153379125,
              -2.6766838538188367
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.3010182538048996,
            0.31627477335521026,
            0.33153127906906643
          ],
          "max_abs_error": 0.16854422794131096,
          "phase": "CUGA_GAM_1",
          "x_hi": 0.33153127906906643,
          "x_lo": 0.3010182538048996
        },
        {
          "enthalpy": {
            "intercept": -9630.512226258314,
            "slope": -10221.315565217426
          },
          "entropy": {
            "intercept": 10.962906105122528,
            "slope": -20.652726080073297
          },
          "intercept": -12899.102681501248,
          "kind": "two_phase",
          "left": {
            "phase": "CUGA_GAM_1",
            "x": 0.33153127906906643
          },
          "mu_a_rel": -12899.102681501248,
          "mu_b_rel": -16962.80796594283,
          "right": {
            "phase": "CUGA_GAM_2",
            "x": 0.3326116093556389
          },
          "slope": -4063.7052844415807,
          "x_hi": 0.3326116093556389,
          "x_lo": 0.33153127906906643
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -13030.240446137122,
                17.5301213072135,
                118.88766879689896,
                -22.23395724840188
              ],
              [
                -12916.056613281415,
                188.60206012093244,
                54.10447432599784,
                -6.681187164419214
              ]
            ],
            "knots": [
              0.3326116093556389,
              0.35089368395636256,
              0.3691757729541865
            ],
            "max_abs_error": 0.2274790475566988
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -1.1945344632677335,
                0.2020259958005466,
                0.021486876118704673,
                -0.033089840935162845
              ],
              [
                -1.0041114322836453,
                0.14572676061859668,
                -0.07321116079858887,
                -0.0011977591074225228
              ]
            ],
            "knots": [
              0.3326116093556389,
              0.35089368395636256,
              0.3691757729541865
            ],
            "max_abs_error": 0.0004260028871923005
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -12674.08999591384,
              -42.703929340986065,
              112.48135668289714,
              -12.368221174115291
            ],
            [
              -12616.680789746042,
              145.153626442362,
              75.9323819179125,
              -6.324075286215589
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.3326116093556389,
            0.35089368395636256,
            0.3691757729541865
          ],
          "max_abs_error": 0.10178468446429179,
          "phase": "CUGA_GAM_2",
          "x_hi": 0.3691757729541865,
          "x_lo": 0.3326116093556389
        },
        {
          "enthalpy": {
            "intercept": -18249.004011990273,
            "slope": 15084.881387063439
          },
          "entropy": {
            "intercept": 3.050543420434242,
            "slope": 4.041072213464208
          },
          "intercept": -19158.523532792395,
          "kind": "two_phase",
          "left": {
            "phase": "CUGA_GAM_2",
            "x": 0.3691757729541865
          },
          "mu_a_rel": -19158.523532792395,
          "mu_b_rel": -5278.487826174229,
          "right": {
            "phase": "CUGA_GAM_3",
            "x": 0.3787705329091729
          },
          "slope": 13880.035706618166,
          "x_hi": 0.3787705329091729,
          "x_lo": 0.3691757729541865
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -12535.295450140591,
                560.8741639381631,
                41.09700136396191,
                -5.461007188589292
              ]
            ],
            "knots": [
              0.3787705329091729,
              0.41587003875729006
            ],
            "max_abs_error": 0.11603104468849779
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -0.9351228392131219,
                0.001371922664159172,
                -0.11071197208285333,
                0.045613041209989325
              ]
            ],
            "knots": [
              0.3787705329091729,
              0.41587003875729006
            ],
            "max_abs_error": 0.0011327107991820906
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -12256.488575629199,
              560.4651251950569,
              74.10577584212263,
              -19.060535426218507
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.3787705329091729,
            0.41587003875729006
          ],
          "max_abs_error": 0.4528909910859511,
          "phase": "CUGA_GAM_3",
          "x_hi": 0.41587003875729006,
          "x_lo": 0.3787705329091729
        },
        {
          "enthalpy": {
            "intercept": -18780.755241941002,
            "slope": 16452.182923201774
          },
          "entropy": {
            "intercept": 5.01737043075329,
            "slope": -0.8929057503842665
          },
          "intercept": -20276.684235870154,
          "kind": "two_phase",
          "left": {
            "phase": "CUGA_GAM_3",
            "x": 0.41587003875729006
          },
          "mu_a_rel": -20276.684235870154,
          "mu_b_rel": -3558.281463191164,
          "right": {
            "phase": "CUGA2",
            "x": 0.6666666666666666
          },
          "slope": 16718.40277267899,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.41587003875729006
        },
        {
          "enthalpy": {
            "intercept": -23437.89987941946,
            "slope": 23437.89987941946
          },
          "entropy": {
            "intercept": 13.266299791491333,
            "slope": -13.266299791491333
          },
          "intercept": -27393.247162252486,
          "kind": "two_phase",
          "left": {
            "phase": "CUGA2",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -27393.247162252486,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "ORTHORHOMBIC_A11",
            "x": 1.0
          },
          "slope": 27393.247162252486,
          "x_hi": 1.0,
          "x_lo": 0.6666666666666666
        }
      ],
      "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": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -9844.157573878245,
          "energy_per_atom": -9844.157573878245,
          "enthalpy": -8480.168502030961,
          "entries_at_x": 1,
          "entropy": 4.574841763700448,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.17170864407246506
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -11429.629631351434,
          "energy_per_atom": -11429.629631351434,
          "enthalpy": -10099.999937454453,
          "entries_at_x": 1,
          "entropy": 4.459599845369738,
          "formula": "",
          "nsites": null,
          "phase": "CU3GA_D019",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.222
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -13740.973683925899,
          "energy_per_atom": -13740.973683925899,
          "enthalpy": -12526.648454169264,
          "entries_at_x": 1,
          "entropy": 4.0728667776509795,
          "formula": "",
          "nsites": null,
          "phase": "CUGA_GAM_1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3010182538048996
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -14246.34809221189,
          "energy_per_atom": -14246.34809221189,
          "enthalpy": -13019.198049363404,
          "entries_at_x": 1,
          "entropy": 4.1158814115327615,
          "formula": "",
          "nsites": null,
          "phase": "CUGA_GAM_1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.33153127906906643
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -14250.738236106377,
          "energy_per_atom": -14250.738236106377,
          "enthalpy": -13030.240446137122,
          "entries_at_x": 1,
          "entropy": 4.093569646048174,
          "formula": "",
          "nsites": null,
          "phase": "CUGA_GAM_2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3326116093556389
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -14034.350622169924,
          "energy_per_atom": -14034.350622169924,
          "enthalpy": -12680.031265998907,
          "entries_at_x": 1,
          "entropy": 4.542409378403576,
          "formula": "",
          "nsites": null,
          "phase": "CUGA_GAM_2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3691757729541865
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -13901.175011398283,
          "energy_per_atom": -13901.175011398283,
          "enthalpy": -12535.295450140591,
          "entries_at_x": 1,
          "entropy": 4.581182496252531,
          "formula": "",
          "nsites": null,
          "phase": "CUGA_GAM_3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3787705329091729
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -13324.00142683616,
          "energy_per_atom": -13324.00142683616,
          "enthalpy": -11938.785292027054,
          "entries_at_x": 1,
          "entropy": 4.646037681734377,
          "formula": "",
          "nsites": null,
          "phase": "CUGA_GAM_3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.41587003875729006
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -9131.082387417497,
          "energy_per_atom": -9131.082387417497,
          "enthalpy": -7812.63329313982,
          "entries_at_x": 1,
          "entropy": 4.422099930497112,
          "formula": "",
          "nsites": null,
          "phase": "CUGA2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "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": 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": "CuGa-08Li",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:30:37Z",
    "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/CuGa-08Li.tdb",
    "source_sha256": "f727ba216ebfbc64fd89de20e499976268502f16853acc2d8d83aa1470749ca2"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CU-GA",
  "x_element": "GA"
}