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The evolution of the magnetic anisotropy of pure and Co/Ti-doped Ba ferrite particles from room to low temperatures is studied analyzing the variation of the anisotropy constants with T. These constants increase with the decrease of temperature in different ways in the two types of particles. In pure particles the magnetocrystalline anisotropy constant K1 is larger than the conflicting shape anisotropy constant K, at low as at room temperature, which means uniaxial anisotropy, in all thedoi:10.1051/jp4:19971301 fatcat:jiy4veu4fzgifdootdybyfpnsu