Affiliation: | 1. Department of Materials Science and Engineering, ?ankaya University, 06810 Ankara, Turkey.ozdogan@cankaya.edu.tr;3. Institute for Materials Science and Max Bergmann Center of Biomaterials, TU Dresden, 01062 Dresden, Germany.;4. School of Physics and DST/NRF Centre of Excellence in Strong Materials, University of the Witwatersrand, Wits 2050, South Africa. |