{
  "counts": {
    "above_hull": 0,
    "entries": 7,
    "intervals": 6,
    "vertices": 7
  },
  "elements": [
    "AL",
    "Y"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.646120965472,
          "phase": "FCC_A1"
        },
        "Y": {
          "energy": -13353.412797491465,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -158911.88740778394
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -32.143999904702355
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -149328.15383619693,
          "right": {
            "phase": "AL3Y",
            "x": 0.25
          },
          "slope": -149328.15383619693,
          "x_hi": 0.25,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -7681.749840857832,
            "slope": -128184.88804435261
          },
          "entropy": {
            "intercept": -1.4539999843236853,
            "slope": -26.327999967407614
          },
          "intercept": -7248.239745531704,
          "kind": "two_phase",
          "left": {
            "phase": "AL3Y",
            "x": 0.25
          },
          "mu_a_rel": -7248.239745531704,
          "mu_b_rel": -127583.43459960181,
          "right": {
            "phase": "AL2Y_C15",
            "x": 0.3333333333333333
          },
          "slope": -120335.19485407011,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.25
        },
        {
          "enthalpy": {
            "intercept": -55081.5318408578,
            "slope": 14014.457955647302
          },
          "entropy": {
            "intercept": -7.617999984323674,
            "slope": -7.835999967407644
          },
          "intercept": -52810.2251455317,
          "kind": "two_phase",
          "left": {
            "phase": "AL2Y_C15",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -52810.2251455317,
          "mu_b_rel": -36459.463799601814,
          "right": {
            "phase": "ALY_B33",
            "x": 0.5
          },
          "slope": 16350.761345929886,
          "x_hi": 0.5,
          "x_lo": 0.3333333333333333
        },
        {
          "enthalpy": {
            "intercept": -61708.84284085769,
            "slope": 27269.079955647077
          },
          "entropy": {
            "intercept": -7.395999984323694,
            "slope": -8.279999967407605
          },
          "intercept": -59503.72544553158,
          "kind": "two_phase",
          "left": {
            "phase": "ALY_B33",
            "x": 0.5
          },
          "mu_a_rel": -59503.72544553158,
          "mu_b_rel": -29765.963499601934,
          "right": {
            "phase": "AL2Y3",
            "x": 0.6000000000000001
          },
          "slope": 29737.761945929644,
          "x_hi": 0.6000000000000001,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -109673.94984085798,
            "slope": 107210.92495564756
          },
          "entropy": {
            "intercept": -28.527999984323777,
            "slope": 26.94000003259253
          },
          "intercept": -101168.32664553182,
          "kind": "two_phase",
          "left": {
            "phase": "AL2Y3",
            "x": 0.6000000000000001
          },
          "mu_a_rel": -101168.32664553182,
          "mu_b_rel": -1989.5626996017818,
          "right": {
            "phase": "ALY2_C37",
            "x": 0.6666666666666666
          },
          "slope": 99178.76394593004,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.6000000000000001
        },
        {
          "enthalpy": {
            "intercept": -114599.99961127884,
            "slope": 114599.99961127884
          },
          "entropy": {
            "intercept": -31.703999887786274,
            "slope": 31.703999887786274
          },
          "intercept": -105147.45204473539,
          "kind": "two_phase",
          "left": {
            "phase": "ALY2_C37",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -105147.45204473539,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 105147.45204473539,
          "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": -37332.03845904923,
          "energy_per_atom": -37332.03845904923,
          "enthalpy": -39727.971851945986,
          "entries_at_x": 1,
          "entropy": -8.035999976175589,
          "formula": "",
          "nsites": null,
          "phase": "AL3Y",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.25
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -47359.97136355507,
          "energy_per_atom": -47359.97136355507,
          "enthalpy": -50410.045855642034,
          "entries_at_x": 1,
          "entropy": -10.229999973459556,
          "formula": "",
          "nsites": null,
          "phase": "AL2Y_C15",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -44634.84447256676,
          "energy_per_atom": -44634.84447256676,
          "enthalpy": -48074.30286303415,
          "entries_at_x": 1,
          "entropy": -11.535999968027497,
          "formula": "",
          "nsites": null,
          "phase": "ALY_B33",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -41661.06827797379,
          "energy_per_atom": -41661.06827797379,
          "enthalpy": -45347.39486746944,
          "entries_at_x": 1,
          "entropy": -12.363999964768258,
          "formula": "",
          "nsites": null,
          "phase": "AL2Y3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6000000000000001
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -35049.15068157847,
          "energy_per_atom": -35049.15068157847,
          "enthalpy": -38199.99987042628,
          "entries_at_x": 1,
          "entropy": -10.567999962595426,
          "formula": "",
          "nsites": null,
          "phase": "ALY2_C37",
          "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": "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": "AlY-06AlS",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:14:58Z",
    "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/AlY-06AlS.tdb",
    "source_sha256": "1aee43313ab48fb78c7f76c2a9c21e6909bd5fa8bd868c84c08e648ddac3a1ae"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-Y",
  "x_element": "Y"
}
