@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t12-36.1>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "12-36.1" ;
  skosxl:prefLabel "thermodynamic critical magnetic flux density"@en ;
  skosxl:altLabel "B_\"c\""@en ;
  skos:definition "quantity given by:\n\n[stem%unnumbered]\n++++\nB_\"c\" = sqrt((2mu_0(G_\"n\"-G_\"s\"))/V)\n++++\n\nwhere stem:[G_\"n\"] and stem:[G_\"s\"] are the Gibbs energies (<<iso80000-5>>) at zero magnetic flux density (<<iec80000-6>>) in a normal conductor and superconductor, respectively, stem:[mu_0] is the magnetic constant (<<iec80000-6>>), and stem:[V] is volume (<<iso80000-3>>)\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-12> ;
  isq:hasUnit [
    skos:notation "T" ;
    skosxl:prefLabel "tesla"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg*s^(-2)*A^(-1)" ;
    skosxl:prefLabel "kilogram per second squared ampere"@en
  ] ;
  skos:note "In type I superconductors, stem:[B_\"c\"] is the critical magnetic flux density for disappearance of superconductivity. The symbol stem:[B_\"c3\"] is used for the critical magnetic flux density for disappearance of surface superconductivity."@en ;
  iso:urn <urn:iso:std:iso:80000:-12:ed-2:en:item:12-36.1> .
