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Anisotropic spin-wave patterns generated by spin-torque nano-oscillators

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Spin-wave excitations due to spin-momentum transfer in ferromagnetic thin films will enable new types of information processing and memory storage. Here, we show how arrays of spin-torque nano-oscillators (STNOs) can be used to create anisotropic spin-wave interference patterns, which can be used for information processing. We consider STNO arrays contacting a thin ferromagnetic film. Contacts to the film (including the STNOs themselves) can be used to detect the spin-waves and then, when coupled to a simple circuit, can create new excitation patterns. The propagating spin-wave patterns can be generated by pulsing transponders. Arrangements of transponders create resonant (reverberating) spin-wave activity-that may be the basis of polychronous wave computation of the arithmetic and Boolean functions as well as information storage

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MACIÀ BROS, Ferran, KENT, A. d., HOPPENSTEADT, F. c.. Anisotropic spin-wave patterns generated by spin-torque nano-oscillators. _Journal of Applied Physics_. 2011. Vol. 109, núm. 7, pàgs. 07C733. [consulta: 14 de gener de 2026]. ISSN: 0021-8979. [Disponible a: https://hdl.handle.net/2445/159378]

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