Emission and transmission Mössbauer studies of La<Subscript>0.8</Subscript>Sr<Subscript>0.2</Subscript>CoO<Subscript>3-δ< /Subscript> perovskites doped with ∼0.02 stoichiometric units of oxygen vacancy or 2.5% iron corroborate the occurrence of electronic phase separation in these systems. The effect of the small perturbation of the CoO<Subscript>3</Subscript> sublattice with either...</subscript></subscript></subscript></subscript>

Improving competitiveness is regarded also by the European Union as a pivotal issue. The Council of Europe, the highest political decision-making body of the European Union, reached a resolution in its Lisbon Strategy in 2000 to develop Europe into the most competitive and most dynamic...