Fe3-delta O4/MgO/Co magnetic tunnel junctions (MTJs) are synthesized on top of similar to 1 inch Si/SiO2 substrates by conducting a full in situ chemical vapour and atomic layer deposition process with no vacuum break. Tunnel magnetoresistance up to 6% is measured at room temperature, increasing to 12.5% at 120 K. Our results demonstrate the possibility of using full-chemical processes to synthesize functional MTJs, and this could provide a path towards the use of cost-effective methods to produce magnetic devices on a large scale.
Fe3-delta O4/MgO/Co magnetic tunnel junctions synthesized by full in situ atomic layer and chemical vapour deposition
FANCIULLI, MARCO
2014-01-01
Abstract
Fe3-delta O4/MgO/Co magnetic tunnel junctions (MTJs) are synthesized on top of similar to 1 inch Si/SiO2 substrates by conducting a full in situ chemical vapour and atomic layer deposition process with no vacuum break. Tunnel magnetoresistance up to 6% is measured at room temperature, increasing to 12.5% at 120 K. Our results demonstrate the possibility of using full-chemical processes to synthesize functional MTJs, and this could provide a path towards the use of cost-effective methods to produce magnetic devices on a large scale.
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