1. Leibniz University Hannover, Institute
for Mineralogy, Callinstrasse 3, 30167 Hannover, Germany
2. Advanced Materials Department, Central Metallurgical R&D Institute (CMRDI), P.O. Box 87, Helwan, Cairo 11421, Egypt
3. Centre for Advanced Materials and Nanoengineering (CAMNE), Narjan University, P.O. Box 1988, Narjan 11001, Saudi
Arabia
4. Leibniz University Hannover, Institute for Technical Chemistry,
Callinstrasse 3, 30167 Hannover, Germany
5. Leibniz University Hannover, Institute for Inorganic Chemistry, Callinstrasse 9, 30167 Hannover,
Germany
6. Leibniz University Hannover, Institute of Physical Chemistry and Electrochemistry,
Callinstrasse 3a, 30167 Hannover, Germany