Abstract
This chapter gives an overview of the main phenomenologies related to the magnetism of single-molecule magnets (SMMs) and covers some important achievements in the field of molecular spintronics. We start by discussing the dominant interactions at sub-Kelvin temperatures in the framework of spin Hamiltonian models. The application of the general formalism to mononuclear and polynuclear complexes allows us to illustrate the power of the spin models in explaining both static properties (e.g., magnetic bistability) and dynamic ones (e.g., quantum tunneling of magnetization). We show how SMMs were used as a vehicle to explore quantum phenomenologies like nonadiabatic spin transitions, spin parity effect, the Berry phase interference, and quantum coherence while covering milestone results that brought the field closer to providing basic components of quantum devices. The last section is devoted to recent achievements in the field of molecular spintronics with emphasis on basic experimental designs that allowed the implementation of Grover’s quantum algorithms at the single-molecule level. The successful transposition of the properties of the molecular magnets into functional devices is a proof of the deep understanding acquired in the two decades of scientific effort since the birth of this research field.
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Taran, G., Bonet, E., Wernsdorfer, W. (2021). Single-Molecule Magnets and Molecular Quantum Spintronics. In: Coey, J.M.D., Parkin, S.S. (eds) Handbook of Magnetism and Magnetic Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-63210-6_18
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