Current-induced magnetic switching of an arbitrary oriented single-molecule magnet in the cotunneling regime

• Published in: Journal of magnetism and magnetic materials Vol. 322; no. 9; pp. 1265 - 1268
• Main Authors: Misiorny, Maciej, Barnaś, Józef
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Amsterdam Elsevier B.V 01.05.2010; Elsevier
• Subjects: Blocking; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Cotunneling; Current-induced magnetic switching; Dynamic tests; Electrodes; Exact sciences and technology; Ferromagnetism; Magnetic moment; Magnetic properties and materials; Magnetic switching; Magnetism; Molecular magnets; Physics; Single-molecule magnet; Studies of specific magnetic materials; Switching; 75.50.Xx; Single-molecule magnet; 75.47.Pq; 75.60.Jk; Cotunneling; Current-induced magnetic switching; Molecular magnet; Tunnel effect; Magnetic moments; Coulomb blockade; Magnetic switching
• ISSN: 0304-8853
• DOI: 10.1016/j.jmmm.2009.01.043

Dynamics of current-induced magnetic switching of a single-molecule magnet in the case of Coulomb blockade is investigated theoretically. The molecule is weakly coupled to two ferromagnetic metallic electrodes with collinear magnetic moments, and the molecule's easy axis is assumed to form an arbitrary angle with these moments. The central focus of the paper is placed on discussing the influence of magnetic configuration of the system on the switching mechanism. It is shown that the crucial role in the switching process is played by the angle between the SMM's easy axis and electrodes’ magnetic moments.