1. Department of Nuclear Chemistry, Eötvös Loránd Science University, P.O. Box 32, H-1518
Budapest, Hungary
2. Department
of Surface Modifications
and Nanostructures, Institute of Materials and Environmental Chemistry,
Research Centre for Natural Sciences, Hungarian Academy of Sciences, Pusztaszeri u. 59-67, P.O. Box 17, H-1525
Budapest, Hungary