Burzurí, Enrique Martínez-Pérez, María José Martí-Gastaldo, Carlos Evangelisti, Marco Mañas-Valero, Samuel Coronado, Eugenio Martínez, Jesús I. Galán-Mascaros, José Ramón Luis, Fernando A quantum spin liquid candidate isolated in a two-dimensional Co<sup>II</sup>Rh<sup>III</sup> bimetallic oxalate network Chem. sci. 10.1039/d2sc06407c 2023 2023