Spin-transfer switching in MgO magnetic tunnel junction nanostructures |
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Authors: | Yiming Huai Mahendra PakalaZhitao Diao Dmytro ApalkovYunfei Ding Alex Panchula |
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Institution: | Grandis Inc., Milpitas, CA 95035, USA |
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Abstract: | Spin-transfer driven switching was observed in MgO based magnetic tunnelling junctions (MTJ) with tunnelling magnetoresistance ratio of up to 160% and the average intrinsic switching current density (Jc0) down to 2 MA/cm2, which are the best known results reported in spin-transfer switched MTJ nanostructures. Based on a comparison of results both from MgO and AlOx MTJs, further switching current decrease via MgO dual structures with two pinned layers is discussed. |
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Keywords: | 85 75 &minus d 75 47 &minus m |
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