Preface; Europium III: Different Emission Spectra in Different Matrices, the Same Element; Organic Europium Complexes & its Applications in Optoelectronic Devices; Europium: Compounds, Production & their Optical Applications; The Development of Luminescence Properties of Eu3+-Doped Nanosized Materials; Properties of Europium Complexes Doped Polymer Optical Materials; Europium in Phospholipid Nanoscaffolds for the Photophysical Detection of Antibiotic Traces in Solution; Organic-Inorganic Emitting Materials Using Eu-Complex; Magnetic Phase Separation in the EuBxC1-x Observed by ESR; Research on Luminescent Characteristics of Organic Europium Complexes; Inelastic Chanells Resonant Tunneling in Heterostructures EuS/PbS; Excitons in Superlattices on the Basis of Ferromagnetic Semiconductors: Rules of Selection; Index.