1. Institute
of Materials for Electronics and Energy Technology (I-MEET), Department
of Materials Science and Engineering, Friedrich-Alexander University Erlangen-Nuremberg, Martensstrasse 7, 91058 Erlangen, Germany
2. Erlangen Graduate School in Advanced Optical Technologies (SAOT), Paul-Gordan-Strasse 6, 91052 Erlangen, Germany
3. Instituto de Telecomunicações, Instituto Superior Técnico, Av. RoviscoPais, P-1049-001 Lisboa, Portugal
4. Department
of Metallurgical Engineering, NED University of Engineering and Technology, University Road, Karachi 75270, Pakistan
5. Chair
for Crystallography and Structural Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Staudtstrasse 3, 91058 Erlangen, Germany
6. Bavarian Center for Applied Energy Research (ZAE Bayern), Haberstrasse 2a, 91058 Erlangen, Germany