Hervé Aubin, Universités Paris-Saclay, CNRSCentre de Nanosciences et de Nanotechnologies, Palaiseau

Thursday April 15 at 2:00 pm (GMT+2) Paris time

ESR-STM : from continuous-wave to pulsed mode

ESR-STM is an emerging technique that enables spin-resonance detection of single spins.

The principle of this method consists in measuring the spin-polarized tunnel current as function of the frequency of a microwave signal (DC- 40 GHz) irradiating the sample.

In this talk, I will first describe the working principles of ESR-STM used in the continuous mode and its application to measurements of the magnetic spectrum of magnetic molecules(FePc) deposited on Ag(100)/MgO(100).

Second, I will show that ESR-STM can also be used in the pulsed mode, enabling single spin manipulation.

I will show that best results are obtained by designing sequences combining microwave pulses and tip-bias pulses.


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