The structural,electronicandmagneticpropertiesofcubicdoubleperovskiteBa2CeCoO6 werecalculated
using first-principles full-potentiallocal-orbitalminimum-basismethod.Thiscompoundhasacubic
crystal structurewithspacegroupFm 3m.Byanalysingthebandstructurewefound,attheequilibrium
lattice constant,thiscompoundisahalf-metal.Moreover,thehalf-metallicitycanbekeptunderalarge
rangeofpressure.Meanwhile,thethermodynamiccharactersareinvestigatedusingthequasi-harmonic
Debyemodel.