期刊
APPLIED PHYSICS LETTERS
卷 104, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4865201
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资金
- European Union 7th Framework Programme [NMP3-SL-2011-263104-HINTS]
- European Research Council [257654-SPINTROS]
- Basque Government [PI2011-1, PI2012-47]
- Spanish Ministry of Economy and Competitiveness [MAT2012-36844, MAT2012-37638]
- Orsted Research Grant
Magnetic tunnel junctions and nano-sized domain-wall conduits have been fabricated on the flexible substrate Kapton. Despite the delicate nature of tunneling barriers and zig-zag shaped nanowires, the devices show an outstanding integrity and robustness upon mechanical bending. High values of bending angle (r = 5 mm) have been achieved without degradation of the device performance, reaching room-temperature tunneling magnetoresistance ratios of 12% in bended Co/Al2O3/NiFe junctions. In addition, a suitable route to pattern high-quality nanostructures directly on the polyimide surface is established. These results demonstrate that Kapton is a promising platform for low-cost, flexible spintronic applications involving tunnel junction elements and nanostructurization. (C) 2014 AIP Publishing LLC.
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