Electronic Transport in Single-Molecule Magnets on Metallic Surfaces

Details Electronic Transport in Single-Molecule Magnets on Metallic Surfaces Electronic Transport in Single-Molecule Magnets on Metallic Surfaces

2004-02-11

arxiv.org/abs/cond-mat/0402302v2

Phys. Rev. Lett. 92, 137203 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages and 4 figures

Scientific paper

10.1103/PhysRevLett.92.137203

An electron transport is studied in the system which consists of scanning tunneling microscopy-single molecule magnet-metal. Due to quantum tunneling of magnetization in single-molecule magnet, linear response conductance exhibits stepwise behavior with increasing longitudinal field and each step is maximized at a certain value of field sweeping speed. The conductance at each step oscillates as a function of the additional transverse magnetic field along the hard axis. Rigorous theory is presented that combines the exchange model with the Landau-Zener model.

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