Metal-Aminoxyl-Based Molecular Magnets

Abstract

The nitroxide radical is one example of a stable organic radical, and the oxygen atom of the nitroxide group exhibits weak basicity; therefore, it demonstrates coordinating ability with respect to transition metal ions. There are many pi-conjugated oligo-nitroxides which have high-spin ground states. When the oligo-nitroxides are used as a bridging ligand for paramagnetic metal ions, we can control both of the structure of the complex and the spin structure. This chapter discusses one-dimensional, two-dimensional, and three-dimensional magnetic materials derived from coordination complexes consisting of magnetic metal ions and nitroxide radicals.