doi:10.1039/d3ta06648gengKumar, SubodhRiera, Guillem GabarróArauzo, AnaHrubý, JakubHill, StephenBogani, LapoRubio-Zuazo, JuanJover, JesúsBartolomé, ElenaSañudo, E. CarolinaOn-surface magnetocaloric effect for a van der Waals Gd(iii) 2D MOF grown on SiART-2024-138075Gd complexes have been studied as magnetic coolants due to their large magneto-caloric effect. In this work we present a Gd 2D metal–organic framework (MOF) of formula [Gd(MeCOO)(PhCOO)2] (1). We characterize the magnetic properties of 1, showing that it displays slow relaxation of the magnetization by ac susceptibility, and single-ion magnetic anisotropy using high-field EPR. By heat capacity and magnetization vs. field at various temperatures we determine the magnetic entropy change of compound 1. We then grow 1 on functionalized silicon, and show that the surface-deposited 2D MOF 1Si can be used as an on-surface magnetic cryogenic coolant.2024http://zaguan.unizar.es/record/13340310.1039/d3ta06648ghttp://zaguan.unizar.es/record/133403oai:zaguan.unizar.es:133403info:eu-repo/grantAgreement/ES/DGA-FSE/E12-23R-RASMIAinfo:eu-repo/grantAgreement/ES/MICINN/PGC2018-098630-B-I00info:eu-repo/grantAgreement/ES/MICINN/PID2022-137764OB-I00Journal of Materials Chemistry A 12, 11 (2024), 6269-6279by-nchttps://creativecommons.org/licenses/by-nc/4.0/deed.esinfo:eu-repo/semantics/openAccess