*Irene Lucas del Pozo^1,2, Rubén Corcuera², Pilar Jiménez-Cavero⁵, Pedro Alonso², Noa Varela^3,4, Noelia Marcano⁵, Pedro Antonio Algarabel², Francisco Rivadulla^3,4, Luis Morellón^1,2 (1. Universidad de Zaragoza (Spain), 2. Instituto de Nanociencia y Materiales de Aragón (Spain), 3. Universidad de Santiago de Compostela (Spain), 4. Centro Singular de Investigación en Química Biológica y Materiales Moleculares (Spain), 5. Centro Universitario de la Defensa (Spain))

*Ryotaro Arita^1,2 (1. University of Tokyo (Japan), 2. RIKEN (Japan))

*Shaocong Lu¹, Ryosuke Akashi², Shinji Tsuneyuki¹ (1. The Univ. of Tokyo (Japan), 2. National Inst. for Quantum Sci. and Tech. (Japan))

*Hannes Raebiger¹, Noriyuki Egawa¹, Soungmin Bae¹ (1. Yokohama National University (Japan))

*Takuma Kanakubo¹, Yusuke Kato² (1. Dept. Physics, the University of Tokyo (Japan), 2. Dept. Basic Science, the University of Tokyo (Japan))

*Dmitri Efremov¹, Vyacheslav Solkin², Stefan Drechsler¹ (1. Leibniz Institute for Solid State Physics and Material Research, IFW Dresden (Germany), 2. DIPC (Spain))