1. Institute of Advanced Materials (INAM), Universitat Jaume I, 12006 Castelló, Spain
2. Institute of Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany
3. Erlangen Graduate School in Advanced Optical Technologies (SAOT), FAU, 91052 Erlangen, Germany