1. Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warsaw, Wołoska 141, Poland
2. Faculty of Chemistry, Warsaw University of Technology, 00-664 Warsaw, Noakowskiego 3, Poland
3. Institute of Metallurgy and Materials Science, Polish Academy of Sciences, 30-05 Cracow, W. Reymonta 25, Poland
4. Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, United States