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Writing magnetic patterns with surface acoustic waves 公开 Deposited

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https://ir.library.oregonstate.edu/concern/articles/w9505222b

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Abstract
  • A novel patterning technique that creates magnetization patterns in a continuous magnetostrictive film with surface acoustic waves is demonstrated. Patterns of 10 μm wide stripes of alternating magnetization and a 3 μm dot of reversed magnetization are written using standing and focusing acoustic waves, respectively. The magnetization pattern is size-tunable, erasable, and rewritable by changing the magnetic field and acoustic power. This versatility, along with its solid-state implementation (no moving parts) and electronic control, renders it as a promising technique for application in magnetic recording, magnonic signal processing, magnetic particle manipulation, and spatial magneto-optical modulation.
  • This is the publisher’s final pdf. The published article is copyrighted by the American Institute of Physics Publishing and can be found at: http://scitation.aip.org/content/aip/journal/jap.
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Citation
  • Li, W., Buford, B., Jander, A., & Dhagat, P. (2014). Writing magnetic patterns with surface acoustic waves. Journal of Applied Physics, 115(17), 17E307. doi:10.1063/1.4863170
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  • 115
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  • 17
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  • This work was supported by the National Science Foundation CAREER Grant No. 0645236.
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