ESR- STM

 

Another path to electron spin resonance spectroscopy (ESR) on single atoms and molecules is pursued within the ERC Consolidator Grant by Dr. Christian Ast. Here, ESR is combined with low-temperature scanning tunneling microscopy to investigate individual atomic and molecular spin systems. The spin degeneracy is lifted by an external magnetic field and then excited by a microwave. The measurement of the excited spin state is realized through a spin-polarized tip. The goal is to employ pulsed ESR to better understand the spin dynamics of interacting spin systems.

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