How Far Molecule Effect Can Range on MTJ based Molecular Spintronics Device at RT?

What is it about?

Limitations of conventional approaches have made it difficult to explore what may really come out when magnetic molecules are simultaneously bridged between two ferromagnetic metals and alloys films. Prior molecular spintronics devices focusing on the experimental realization of ferromagnetic metals and magnetic molecules incurred a large number of defects that undermine the transformative potential of magnetic molecules. This paper utilizes a commercially mature magnetic tunnel junction (MTJ) to harness the potential of magnetic molecules. With MTJ based molecular spintronics device approach molecule get an unprecedented opportunity to show > 10 um long-range effect on magnetic properties of ferromagnetic films.

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Why is it important?

So far molecules are assumed as a device channel in molecular spintronics devices. However, negligible attention was given to the fact that a molecule can be near perfect spin filter or exchange couplers between two ferromagnetic films. In that case, molecules can transform the spin density of states of the ferromagnetic electrodes itself. This paper underlines the importance of studying the effect of the molecule as a transformative agent. This paper also underlines the importance of using a fabrication approach that allows molecules to do its magic to the fullest extent and minimize the role of uncontrollable defects.

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