{
  "counts": {
    "above_hull": 0,
    "entries": 4,
    "intervals": 3,
    "vertices": 4
  },
  "elements": [
    "AL",
    "B"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.645979548928,
          "phase": "FCC_A1"
        },
        "B": {
          "energy": -1759.0852645241457,
          "phase": "BETA_RHOMBO_B"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -17184.579866165004
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -2.7000000978773233
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -16379.574836982882,
          "right": {
            "phase": "ALB2_C32",
            "x": 0.6666666666666666
          },
          "slope": -16379.574836982882,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -11298.65003529001,
            "slope": -236.60481322999013
          },
          "entropy": {
            "intercept": -5.322536162139107,
            "slope": 5.283804145331338
          },
          "intercept": -9711.735878548228,
          "kind": "two_phase",
          "left": {
            "phase": "ALB2_C32",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -9711.735878548228,
          "mu_b_rel": -11523.70689770877,
          "right": {
            "phase": "ALB12_ALPHA",
            "x": 0.9230769230769231
          },
          "slope": -1811.9710191605407,
          "x_hi": 0.9230769230769231,
          "x_lo": 0.6666666666666666
        },
        {
          "enthalpy": {
            "intercept": -149721.7082175301,
            "slope": 149721.7082175301
          },
          "entropy": {
            "intercept": -5.7873203638323405,
            "slope": 5.7873203638323405
          },
          "intercept": -147996.21865105355,
          "kind": "two_phase",
          "left": {
            "phase": "ALB12_ALPHA",
            "x": 0.9230769230769231
          },
          "mu_a_rel": -147996.21865105355,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "BETA_RHOMBO_B",
            "x": 1.0
          },
          "slope": 147996.21865105355,
          "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": -10919.716557988588,
          "energy_per_atom": -10919.716557988588,
          "enthalpy": -11456.386577443336,
          "entries_at_x": 1,
          "entropy": -1.8000000652515489,
          "formula": "",
          "nsites": null,
          "phase": "ALB2_C32",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -11384.324511619496,
          "energy_per_atom": -11384.324511619496,
          "enthalpy": -11517.054478271539,
          "entries_at_x": 1,
          "entropy": -0.4451784895255644,
          "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-01Luk-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:01:25Z",
    "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-01Luk-LB.tdb",
    "source_sha256": "642c909d17cc2a6bd403bc755976f6d6215565678cdf48ebb4782d6feeb71436"
  },
  "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"
}
