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Air Max 2014 Blue the magnetic properties of magnetic nanoparticles
We report in this study the effect of the competition between cubic and uniaxial anisotropies on the magnetic properties of magnetic nanoparticles. We have employed Monte Carlo simulations in our calculations and we have seen that the observed behavior is very different for the cases where easy uniaxial axes are completely random oriented or parallel to an external magnetic field. We have also calculated the effective energy barrier distribution probed during the isothermal magnetic relaxation and a two peak structure is observed only for a random Air Max 2014 Blue orientation of uniaxial axes. Be diffusion during post-growth annealing has been investigated in InGaAs epitaxial layers. Kick-out mechanisms considering species charges, build-in electric field and Fermi-level effect have been studied. Several forms of Kick-out mechanism Nike Air Max 2014 Junior have been implemented in our simulation programs. Experimental concentration profiles obtained by SIMS have been compared systematically with the results of simulations. We have deduced that the Kick-out mechanism Bei0 ⇔ Be− + IIII+ is Nike Air Max 2014 Uk the dominating diffusion Nike Air Force One High Tops mechanism in InGaAs under our experimental conditions (C0 = 3 × 1019cm−3).