Molecular magnets are molecules with an inherent non-zero spin that can exhibit magnetic ordering. Here, the authors show that such molecules can change the many-body ground state of nonmagnetic metals at a functional scale with magnetic phthalocyanines.
Atxabal, A., Ribeiro, M., Parui, S., Urreta, L., Sagasta, E., Sun, X., … Hueso, L. E. (2016). Spin doping using transition metal phthalocyanine molecules. Nature Communications, 7. https://doi.org/10.1038/ncomms13751