1. Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, 2100Copenhagen, Denmark
2. Univ. Grenoble Alpes, CNRS, Institut Néel, 38000Grenoble, France
3. Department of Energy Conversion and Storage, Technical University of Denmark, Fysikvej, Building
310, 2800Kgs. Lyngby, Denmark