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Dresden 2017 – scientific programme

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MA: Fachverband Magnetismus

MA 67: Poster 4

MA 67.2: Poster

Friday, March 24, 2017, 09:30–13:00, P2-OG3

Realization of a macroscopic spin-wave majority gate and its miniaturisation — •Martin Kewenig1, Tobias Fischer1,2, Dmytro A Bozhko1, Ihor I Syvorotka3, Carsten Dubs4, Philipp Pirro1, Burkard Hillebrands1, and Andrii Chumak11Fachbereich Physik and Landesforschungszentrum OPTIMAS, Technische Universität Kaiserslautern, Kaiserslautern, Germany — 2MAINZ Graduate School of Excellence - Materials Science in Mainz, Mainz, Germany — 3Department of Crystal Physics and Technology, Scientific Research Company Carat, Lviv, Ukraine — 4INNOVENT e.V. Technologieentwicklung Jena, 07745 Jena, Germany

Spin-wave logic devices offer large advantages compared to modern CMOS-based elements. An example for such a logic element is the majority gate. In this contribution, we present the investigation of a macroscopic spin-wave majority gate device made from a YIG film. We examine the spin-wave propagation by means of microwave techniques. The operation of the device as a majority gate was proven - the output phase of the signal was defined by the majority of the input phases. Additional time-resolved measurements have shown that the device can switch logic output within approximately 11 ns. In order to scale down spin-wave majority devices we fabricate microstructured combiner structures made from a 100 nm thick YIG film and examine the spin-wave transmission and reflection of different combiner structures by using Brillouin light scattering microscopy. This research has been supported by: EU-FET Grant InSpin 612759, ERC Starting Grant 678309 MagnonCircuit, and DFG (DU 1427/2-1).

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