{
  "counts": {
    "above_hull": 0,
    "entries": 4,
    "intervals": 3,
    "vertices": 4
  },
  "elements": [
    "AL",
    "B"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.646000189796,
          "phase": "FCC_A1"
        },
        "B": {
          "energy": -1759.085305247715,
          "phase": "BETA_RHOMBO_B"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -42904.37980550185
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -22.734615065614584
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -36126.05432368887,
          "right": {
            "phase": "ALB2_C32",
            "x": 0.6666666666666666
          },
          "slope": -36126.05432368887,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -63312.37401224239,
            "slope": 52064.18121286174
          },
          "entropy": {
            "intercept": -47.825800154067,
            "slope": 49.004085165485925
          },
          "intercept": -49053.11169630732,
          "kind": "two_phase",
          "left": {
            "phase": "ALB2_C32",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -49053.11169630732,
          "mu_b_rel": -11599.498475535205,
          "right": {
            "phase": "ALB12_ALPHA",
            "x": 0.9230769230769231
          },
          "slope": 37453.61322077212,
          "x_hi": 0.9230769230769231,
          "x_lo": 0.6666666666666666
        },
        {
          "enthalpy": {
            "intercept": -198290.6876048103,
            "slope": 198290.6876048103
          },
          "entropy": {
            "intercept": -33.68638001703991,
            "slope": 33.68638001703991
          },
          "intercept": -188247.09340272984,
          "kind": "two_phase",
          "left": {
            "phase": "ALB12_ALPHA",
            "x": 0.9230769230769231
          },
          "mu_a_rel": -188247.09340272984,
          "mu_b_rel": 2.9103830456733704e-11,
          "right": {
            "phase": "BETA_RHOMBO_B",
            "x": 1.0
          },
          "slope": 188247.09340272986,
          "x_hi": 1.0,
          "x_lo": 0.9230769230769231
        }
      ],
      "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": -24084.036215792577,
          "energy_per_atom": -24084.036215792577,
          "enthalpy": -28602.919870334565,
          "entries_at_x": 1,
          "entropy": -15.156410043743055,
          "formula": "",
          "nsites": null,
          "phase": "ALB2_C32",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -14480.545646363826,
          "energy_per_atom": -14480.545646363826,
          "enthalpy": -15253.129815754626,
          "entries_at_x": 1,
          "entropy": -2.5912600013107605,
          "formula": "",
          "nsites": null,
          "phase": "ALB12_ALPHA",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9230769230769231
        },
        {
          "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": "BETA_RHOMBO_B",
          "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": "AlB-98Luk",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:01:27Z",
    "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/AlB-98Luk.tdb",
    "source_sha256": "564969ba25933e9fde6808575bb17062351414b3df6eaaa9ae70485bd4f278af"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-B",
  "x_element": "B"
}