Spin-flip induction of Fano resonance upon electron tunneling through atomic-scale spin structures |
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Authors: | V V Val’kov S V Aksenov E A Ulanov |
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Institution: | 1. Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, 660036, Russia 2. Siberian State Aerospace University, Krasnoyarsk, 660014, Russia
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Abstract: | The inclusion of inelastic spin-dependent electron scatterings by the potential profiles of a single magnetic impurity and a spin dimer is shown to induce resonance features due to the Fano effect in the transport characteristics of such atomic-scale spin structures. The spin-flip processes leading to a configuration interaction of the system’s states play a fundamental role for the realization of Fano resonance and antiresonance. It has been established that applying an external magnetic field and a gate electric field allows the conductive properties of spin structures to be changed radically through the Fano resonance mechanism. |
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