1. CIC nanoGUNE BRTA Tolosa Hiribidea 76 San Sebastian 20018 Spain
2. Department of Electricity and Electronics FCT‐ZTF UPV/EHU Bilbao 48080 Spain
3. Materials Physics Center CSIC‐UPV/EHU and DIPC San Sebastian 20018 Spain
4. Department of Physics University of the Basque Country (UPV/EHU) San Sebastian 20018 Spain
5. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE) Basque Research and Technology Alliance (BRTA) Alava Technology Park Albert Einstein 48 Vitoria‐Gasteiz 01510 Spain
6. Computational Materials and Photonics (CMP) Department of Electrical Engineering and Computer Science University of Kassel 34121 Kassel Germany
7. IKERBASQUE Basque Foundation for Science Euskadi Plaza 5 Bilbao 48009 Spain