Lobo-Checa, Jorge Hernández-López, Leyre Otrokov, Mikhail M. Piquero-Zulaica, Ignacio Candia, Adriana E. Gargiani, Pierluigi Serrate, David Delgado, Fernando Valvidares, Manuel Cerdá, Jorge Arnau, Andrés Bartolomé, Fernando Ferromagnetism on an atom-thick & extended 2D metal-organic coordination network 10.1038/s41467-024-46115-z 2024 2024