The mixed valence europium nitridosilicate Eu(2)SiN(3) has been synthesized at 900 degrees C in welded tantalum ampules starting from europium and silicon diimide Si(NH)(2) in a lithium flux. The structure of the black material has been determined by single-crystal X-ray diffraction analysis (Cmca (no. 64), a = 542.3(11) pm, b = 1061.0(2) pm, c = 1162.9(2) pm, Z = 8, 767 independent reflections...

Public opinion on the European Union (EU) is significant and therefore a worthwhile topic of consideration. Analyses have identified and ordered the factors that impact public opinion on the EU, as well analyzed the efficacy of EU funds. Yet the confluence of these two lines of inquiry is understudied. Some Member States have surpluses and others deficits relative to the EU budget, which could ...

one of the important issues which deals simultaneously with the european :union: (eu) enlargement policy and its common foreign and security policy, is eu's policy towards its neighbors. after eu enlargement. it is a crossroad of eu foreign, security, development and trade policies which aims at europeanization and creating a ring of friends around its borders where good governance, political a...

In this study, Eu-coated SiO2 nanoparticles have been prepared, consisting of an interfacial complex of Eu and 1,10-phenanthroline (phen) at the solid surfaces of the SiO2/Eu nanostructures. The as-prepared SiO2/Eu/phen nanoparticles exhibits sharp red emission via energy transfer from the phen to the Eu(III). After sintering at 200 °C in air, the emission is tuned from red to blue. The blue em...

PAOLO PETTA, ANDREA OMICINI, TERRY PAYNE and PETER McBURNEY 1 Austrian Research Institute for Artificial Intelligence, Vienna, Austria, EU, and Medical University of Vienna, Austria, EU 2 DEIS, Alma Mater Studiorum—Università di Bologna, Cesena, Italy, EU 3 School of Electronics and Computer Science, University of Southampton, Southampton, UK, EU 4 Department of Computer Science, University of ...