Magnon currents for future spintronic applicationswithin the JSPS Core-to-Core Joint International Research and Collaborative Center New Concept spintronic devices; here: funding for transfer of knowledge and exchange actions between Sendai, York and Kais

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This proposal asks for the networking costs for the the University of Kaiserslautern to participate in the tri-national Core-to-Core Joint International Research and Collaborative Center New Concept Spintronic Devices (in short: Center). This collaboration includes groups from the Tohoku University, Sendai, Japan (led by Prof. Hideo Ohno), University of York, Great Britain (led by Profs. Kevin OGrady and Atsufumi Hiroata), and the Kaiserslautern magnetism group. The Center aim is to strengthen existing scientific collaborations. The Center organizes workshops, and supports visits for junior and senior level staff members at the partner institutions. Junior staff members will visit the partner institutions for a longer stays (3 to 6 months) while senior staff members will visit the partners for short visits (1-2 weeks). In this way the long standing relationships between York, Sendai and Kaiserslautern in the Center will be expanded signficantly to endure far beyond the completion of this Core-to-Core project.The funding scheme has been initiated by the Japanese Society for the Promotion of Science (JSPS) in collaboration with the Deutsche Forschungsgemeinschaft (DFG) and the Engineering and Physical Sciences Research Council (EPSRC), UK (see Memorandum of Understanding between DFG and JSPS, Annex 2). On the Japanese side, the Center has been approved in the highly competitive core-to-core program. EPSRC followed with a grant for the British partner. For the Kaiserslautern applicants funding for research is available via four funded research initiatives (see Annex 1). These projects cover all research costs, however they are not able to cover the additional networking and workshop costs of the Center. The requested funding will be used for two workshops in Kaiserslautern, as well as the travel of Kaiserslautern junior and senior staff members in the exchange program. This Center research aims to improve the efficiency of MRAM and to combine it with a spin-polarized transistor for spintronic memory and logic on a common chip. Specifically, the Center plans to address four key components, which are MRAM, spin transistor, calculations, and novel concepts. High-frequency magnetic properties play an important role and will be addressed specifically by the Kaiserslautern team. All partners consider it extremely important to gain access to the expertise and facilities at the other partner institutes, and thus, following an ideal strategy to make enhanced progress towards a spintronic memory logic on a chip. In parallel to the Centers major aims the Kaiserslautern group will evaluate the potential of information processing using magnons, the quanta of spin waves, as information carriers. This contributes to the overarching Center objective of interfacing electron-based spintronics and CMOS technology.