The 2024 magnonics roadmap
Journal of Physics Condensed Matter, vol. 36, pp. 363501
Abstract
is a research field that has gained an increasing interest in both the fundamental and applied sciences in recent years. This field aims to explore and functionalize collective spin excitations in magnetically ordered materials for modern information technologies, sensing applications and advanced computational schemes. Spin waves, also known as magnons, carry spin angular momenta that allow for the transmission, storage and processing of information without moving charges. In integrated circuits, magnons enable on-chip data processing at ultrahigh frequencies without the Joule heating, which currently limits clock frequencies in conventional data processors to a few GHz. Recent developments in the field indicate that functional magnonic building blocks for in-memory computation, neural networks and Ising machines are within reach. At the same time, the miniaturization of magnonic circuits advances continuously as the synergy of materials science, electrical engineering and nanotechnology allows for novel on-chip excitation and detection schemes. Such circuits can already enable magnon wavelengths of 50 nm at microwave frequencies in a 5G frequency band. Research into non-charge-based technologies is urgently needed in view of the rapid growth of machine learning and artificial intelligence applications, which consume substantial energy when implemented on conventional data processing units. In its first part, the 2024 Magnonics Roadmap provides an update on the recent developments and achievements in the field of nano-magnonics while defining its future avenues and challenges. In its second part, the Roadmap addresses the rapidly growing research endeavors on hybrid structures and magnonics-enabled quantum engineering. We anticipate that these directions will continue to attract researchers to the field and, in addition to showcasing intriguing science, will enable unprecedented functionalities that enhance the efficiency of alternative information technologies and computational schemes.
Authors 34
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Affiliation as printed
Department of Physics, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, United States of America
Department of Physics, Boston College, 140 Commonwealth Avenue, Chestnut Hill, Massachusetts, 02467, UNITED STATES
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Dirk Grundler corresponding
École Polytechnique Fédérale de Lausanne
Affiliation as printed
Institute of Electrical and Micro Engineering (IEM), EPFL, Lausanne 1015, Switzerland
Laboratory of Nanoscale Magnetic Materials and Magnonics, Institute of Materials (IMX), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
Laboratory of nanoscale magnetic materials and magnonics, Ecole Polytechnique Federale de Lausanne, EPFL - STI - IMX - LMGN, Bâtiment BM - Station 17, Lausanne, 1015, SWITZERLAND
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Adam Mickiewicz University in Poznań
Affiliation as printed
Institute of Spintronics and Quantum Information (ISQI), Faculty of Physics, Adam Mickiewicz University, Poznań, Poland
Institute of Spintronics and Quantum Information (ISQI), Adam Mickiewicz University Faculty of Physics, Uniwersytetu Poznańskiego 2, Poznan, Wielkopolskie, 61-614, POLAND
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RIKEN · RIKEN Center for Emergent Matter Science · The University of Tokyo
Affiliation as printed
Center for Emergent Matter Science, RIKEN, Wako, Japan
Institute for Solid State Physics (ISSP), University of Tokyo, Kashiwa, Japan
Institute for Solid State Physics, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba, 277-8581, JAPAN
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University of California, Riverside
Affiliation as printed
Department of Physics and Astronomy, University of California, Riverside, United States of America
University of California Riverside, 3401 Watkins Drive, Riverside, California, 92521-9800, UNITED STATES
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S.N. Bose National Centre for Basic Sciences
Affiliation as printed
S N Bose National Centre for Basic Sciences, Salt Lake, Sector III, Kolkata, India
Department of Condensed Matter Physics and Material Sciences, S N Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata, 700 106, INDIA
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Affiliation as printed
Cnr-Istituto Officina dei Materiali, Perugia, Italy
IOM-CNR, Universita di Perugia, Via A Pascoli, I-06123Perugia, Perugia, 06123, ITALY
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Universidad Técnica Federico Santa María
Affiliation as printed
Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso, Chile
Departmento de Fisica, Universidad Tecnica Federico Santa Maria, Avenida Espana 1680, Valparaiso, 2390123, CHILE
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Affiliation as printed
Department of Physics, University of Gothenburg, Gothenburg, Sweden
Department of Physics, University of Gothenburg, Fysikgränd 3, Gothenburg, 41296, SWEDEN
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Institut polytechnique de Grenoble · Centre National de la Recherche Scientifique · Commissariat à l'Énergie Atomique et aux Énergies Alternatives · CEA Grenoble · Spintronique et Technologie des Composants
Affiliation as printed
Univ. Grenoble Alpes, CEA, CNRS, Grenoble-INP, SPINTEC, Grenoble 38000, France
IRIG/DEPHY/SPINTEC, CEA Grenoble, 17 avenue des Martyrs, Grenoble cedex 9, Grenoble, 38054, FRANCE
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Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau
Affiliation as printed
Fachbereich Physik and Landesforschungszentrum OPTIMAS, RPTU Kaiserslautern-Landau, Kaiserslautern, Germany
Fachbereich Physik and Landesforschungszentrum OPTIMAS, RPTU Kaiserslautern-Landau Institute of Materials Science and Engineering, Erwin-Schrödinger-Straße 52, Kaiserslautern, Rheinland-Pfalz, 67663, GERMANY
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Affiliation as printed
Institute of Applied Physics, University of Münster, Münster 48149, Germany
Institut fuer Angewandte Physik, Westfaelische Wilhelms-Universitat Muenster, Corrensstrasse 2/4, Muenster, 48149, GERMANY
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Helmholtz-Zentrum Dresden-Rossendorf
Affiliation as printed
Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, Sachsen, 01328, GERMANY
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Pázmány Péter Catholic University
Affiliation as printed
Pázmány Péter Catholic University, Budapest, Hungary
Pázmány Péter Catholic University, Egyetem ter 1, Budapest, Budapest, 1088, HUNGARY
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Huazhong University of Science and Technology
Affiliation as printed
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
Huazhong University of Science and Technology, Nanyi Rd, Wuhan, Hubei, 430074, CHINA
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Affiliation as printed
Imec, Leuven 3001, Belgium
Department of Electrical Engineering (ESAT), IMEC, Kasteelpark Arenberg 10, Leuven, 3001, BELGIUM
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Affiliation as printed
Components Research, Intel Corp., Hillsboro, OR 97124, United States of America
Components Research, Intel, 2501 NW 229th Avenue, RA3-252, Hillsoboro, Oregon, 97124, UNITED STATES
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Centre National de la Recherche Scientifique · Université Paris-Saclay · Laboratoire Albert Fert
Affiliation as printed
Laboratoire Albert Fert, CNRS, Thales, Université Paris-Saclay, Palaiseau 91767, France
Unite Mixte de Physique CNRS/Thales, 1 avenue Augustin Fresnel, Palaiseau, Île-de-France, 91767, FRANCE
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Centre National de la Recherche Scientifique · Institut de Physique et Chimie des Matériaux de Strasbourg · Université de Strasbourg
Affiliation as printed
Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, Strasbourg 67000, France
Institut de physique et chimie des materiaux de Strasbourg, 23 Rue du Loess, Strasbourg, 67034, FRANCE
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Kyoto University · Kyoto University Institute for Chemical Research
Affiliation as printed
Institute for Chemical Research, Kyoto University, Center for Spintronics Research Network, Kyoto University, Uji, Japan
Institute for Chemical Research Mukoyama Laboratory, Kyoto University, Uji, Kyoto, 611-0011, JAPAN
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Affiliation as printed
Radboud University, Institute for Molecules and Materials, Nijmegen, The Netherlands
Institute for Molecules and Materials, Radboud Universiteit, Postbus 9010, Nijmegen, Gelderland, 6500 HC, NETHERLANDS
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Affiliation as printed
Radboud University, Institute for Molecules and Materials, Nijmegen, The Netherlands
Institute for Molecules and Materials, Radboud University Nijmegen, PO Box 9010, 6500 GL Nijmegen, THE NETHERLANDS, Nijmegen, 6525, NETHERLANDS
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Affiliation as printed
Radboud University, Institute for Molecules and Materials, Nijmegen, The Netherlands
Radboud Universiteit, Postbus, Nijmegen, Gelderland, 6500 HC, NETHERLANDS
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University of Kaiserslautern · Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau
Affiliation as printed
Fachbereich Physik and Landesforschungszentrum OPTIMAS, RPTU Kaiserslautern-Landau, Kaiserslautern, Germany
Fachbereich Physik, Technische Universitaet Kaiserslautern, Erwin Schroedinger Strasse 56, D-67663 Kaiserslautern, Kaiserslautern, 67663, GERMANY
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Affiliation as printed
RWTH Aachen University, Aachen and Max Planck Institute for the Physics of Light, Erlangen, Germany
Institute for Theoretical Solid State Physics, RWTH Aachen University, Aachen University, Aachen, 52074, GERMANY
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University of North Carolina at Chapel Hill
Affiliation as printed
University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America
Physics, The University of North Carolina at Chapel Hill, Chapel Hill, Chapel Hill, North Carolina, 27599, UNITED STATES
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Georgia Institute of Technology · University of California San Diego
Affiliation as printed
School of Physics, Georgia Institute of Technology, Atlanta, GA 30332, United States of America
Department of Physics, University of California San Diego, La Jolla, La Jolla, California, 92093-0021, UNITED STATES
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Centre National de la Recherche Scientifique · Université de Montpellier · Laboratoire Charles Coulomb
Affiliation as printed
Laboratoire Charles Coulomb, Université de Montpellier, CNRS, Montpellier 34095, France
Laboratoire Charles Coulomb, Université de Montpellier, Place Eugène Bataillon, Montpellier, Occitanie, 34095, FRANCE
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Delft University of Technology
Affiliation as printed
Department of Quantum Nanoscience, Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, Delft 2628 CJ, The Netherlands
Delft University of Technology, Kavli Institute of Nanoscience, Delft, Zuid-Holland, 2600 AA, NETHERLANDS
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University of Southern California · Cornell University
Affiliation as printed
Department of Physics and Astronomy, University of Southern California, Los Angeles, CA, 90089, United States of America
Kavli Institute at Cornell, Ithaca, NY 14853, United States of America
USC Dornsife, University of Southern California, 3616 Trousdale Parkway, Los Angeles, California, 90089-0001, UNITED STATES
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Kyoto University · Kyoto University Institute for Chemical Research
Affiliation as printed
Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
Institute for Chemical Research, Kyoto University, Gokasho, Uji, 611-0011, JAPAN
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Affiliation as printed
Wayne State University, Detroit, MI, United States of America
Physics and Astronomy , Wayne State University, 4841 Cass Avenue, Detroit, Michigan, 48202-3489, UNITED STATES
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Huazhong University of Science and Technology
Affiliation as printed
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
Huazhong University of Science and Technology, Hongshan, Wuhan, Hubei, 430074, CHINA
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Affiliation as printed
ShanghaiTech University, Shanghai, People's Republic of China
Department of Physics, ShanghaiTech University, Pu Dong Xin Qu, Shanghai, 201210, CHINA
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