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Berlin 2018 – scientific programme

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MA: Fachverband Magnetismus

MA 21: Poster I

MA 21.24: Poster

Tuesday, March 13, 2018, 09:30–13:00, Poster A

Realization of a Microstructured Spin-Wave Majority Gate — •Martin Kewenig1, Thomas Brächer1, Carsten Dubs2, Philipp Pirro1, and Andrii Chumak11Fachbereich Physik and Landesforschungszentrum OPTIMAS, Technische Universität Kaiserslautern, Kaiserslautern, Germany — 2INNOVENT e.V. Technologieentwicklung Jena, 07745 Jena, Germany

Spin-wave logic devices offer large advantages compared to modern CMOS-based elements. For example spin waves promise a significant reduction of Joule heating since they avoid Ohmic losses. An example for such a logic element is the spin-wave majority gate, in which the logical output is given by the majority of the logical inputs. Besides, a spin-wave majority gate is suitable for the construction of all-magnonic circuits. In this contribution, we present the fabrication and investigation of a microstructured spin-wave majority gate device made from a 80 nm thick YIG film. We investigate the operation of the device by means of microwave techniques and performed additional measurements to examine the spin-wave propagation and transmission by using Brillouin light scattering microscopy. This research has been supported by: DFG SFB/TRR 173 Spin+X, Project B01, ERC Starting Grant 678309 MagnonCircuit, and DFG (DU 1427/2-1).

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