atomic unit of magnetic flux density

{
  "id": "NISTu253",
  "unitsml_id": "u:atomic_unit_of_magnetic_flux_density",
  "name": "atomic unit of magnetic flux density",
  "names": [
    {
      "value": "atomic unit of magnetic flux density",
      "lang": "en"
    }
  ],
  "symbols": {
    "unicode": "ℏ/𝑒𝑎₀²",
    "ascii": "h-bar*(e*a_0^2)-1",
    "html": "<i>&#295;</i>/<i>e</i><i>a</i><sub>0</sub><sup>2</sup>",
    "latex": "\\ensuremath{\\mathit{\\hbar}/\\mathit{e}a_0^2}",
    "id": "h-bar*(e*a_0^2)-1",
    "mathml": "<mrow><mi mathvariant='italic'>&#295;</mi><mo>/</mo><mi mathvariant='italic'>e</mi><msup><msub><mi mathvariant='italic'>a</mi><mn>0</mn></msub><mn>2</mn></msup></mrow>"
  },
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTu253"
    },
    {
      "type": "unitsml",
      "id": "u:atomic_unit_of_magnetic_flux_density"
    }
  ],
  "references": [],
  "short": "atomic_unit_of_magnetic_flux_density",
  "root": true,
  "composite": false,
  "quantities": [
    {
      "id": "NISTq14",
      "name": "magnetic flux density",
      "type": "derived"
    }
  ],
  "dimension": {
    "id": "NISTd13",
    "name": "magnetic flux density",
    "expression": "M·T-2·I-1",
    "components": [
      {
        "key": "mass",
        "symbol": "M",
        "power": 1
      },
      {
        "key": "time",
        "symbol": "T",
        "power": -2
      },
      {
        "key": "electric_current",
        "symbol": "I",
        "power": -1
      }
    ],
    "dimensionless": false
  },
  "scale": {
    "id": "continuous_ratio",
    "name": "continuous ratio scale"
  },
  "systems": [
    {
      "id": "non-SI_not_acceptable",
      "name": "non-SI and not acceptable",
      "short": "nonsi-unacceptable",
      "acceptable": false
    }
  ],
  "root_units": null
}