1. Univ. Grenoble Alpes, F-38000 Grenoble, France
2. CEA, LETI, MINATEC Campus, F-38054 Grenoble, France
3. Material Research and Technology Department, Luxembourg Institute of Science and Technology, 41 Rue du Brill, L-4422 Belvaux, Luxembourg
4. SPEC, CEA, CNRS, Université Paris Saclay, F-91191 Gif-sur-Yvette, France