1. Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
2. Physics Department, Waldorf University, Forest City, Iowa 50436, United States
3. Laboratoire Charles Coulomb, CNRS-Université de Montpellier, 34090 Montpellier, France
4. Faculty of Chemistry, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
5. Laboratoire MADRIEL, Aix-Marseille Université-CNRS, 13007 Marseille, France
6. Service de Physique de l’État Condensé (SPEC), Université Paris Saclay, CEA CNRS UMR-3680 CEA Saclay F-91191 Gif-sur-Yvette, France