Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8155183 | Journal of Magnetism and Magnetic Materials | 2016 | 21 Pages |
Abstract
Here, we report wafer scale fabrication of densely packed Fe nanostripe-based magnetic thin films on a flexible substrate and their magnetic anisotropy properties. We find that Fe nanostripes exhibit large in-plane uniaxial anisotropy and nearly square hysteresis loops with energy products (BHmax) exceeding 3Â MGOe at room temperature. High density Fe nanostripes were fabricated on 70Â nm flexible polyethylene terephthalate (PET) gratings, which were made by a roll-to-roll (R2R) UV nanoimprint lithography technique. We observed large in-plane uniaxial anisotropies along the long dimension of nanostripes that can be attributed to the shape. Temperature dependent hysteresis measurements confirm that the magnetization reversal is driven by non-coherent rotation reversal processes.
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Condensed Matter Physics
Authors
Rukshan M. Thantirige, Jacob John, Nihar R. Pradhan, Kenneth R. Carter, Mark T. Tuominen,