1. 1Ceramics and Nanocomposites Department, Research Institute for Technical Physics and Materials Science, Hungarian Academy of Sciences, 1121, Budapest, Hungary
2. 2Nanostructures Department, Research Institute for Technical Physics and Materials Science, Hungarian Academy of Sciences, 1121, Budapest, Hungary
3. 3IR and Raman Spectroscopy Laboratory, Chemical Research Center, Hungarian Academy of Sciences, 1025, Budapest, Hungary