Abstract:In this paper, we study the magnetic properties of a molecule composed of two inverted spin-½ tetrahedra sharing their common vertex via a spin-1. We achieve an exact resolution using the Heisenberg model. As long as the exchange couplings are predominantly ferromagnetic, the spin structure is fully saturated and behaves like a large spin-4 unique magnet. Antiferromagnetic coupling can strongly frustrate the spins of the nanodevice. This may lead to several exotic phenomena. Therefore, the magnetization can be… Show more
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