Interface-induced Phenomena in Magnetism

Frances Hellman, University of California, Lawrence Berkeley National Laboratory
Axel Hoffmann, Argonne National Laboratory
Yaroslav Tserkovnyak, University of California
Geoffrey S. D. Beach, Massachusetts Institute of Technology
Eric E. Fullerton, Center for Memory and Recording Research, University of California
Chris Leighton, University of Minnesota
Allan H. MacDonald, University of Texas at Austin
Daniel C. Ralph, Cornell University, Kavli Institute at Cornell
Dario A. Arena, University of South Florida
Hermann A. Dürr, Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory
Peter Fischer, Lawrence Berkeley National Laboratory, University of California
Julie Grollier, Unité Mixte de Physique CNRS/Thales and Université Paris
Joseph P. Heremans, The Ohio State University
Tomas Jungwirth, Institute of Physics, Academy of Sciences of the Czech Republic, University of Nottingham
Alexey V. Kimel, Radboud University, Institute for Molecules and Materials
Bert Koopmans, Center for NanoMaterials, COBRA Research Institute, Eindhoven University of Technology
Ilya N. Krivorotov, University of California
Steven J. May, Drexel University
Amanda K. Petford-Long, Argonne National Laboratory, Northwestern University
James M. Rondinelli, Northwestern University
Nitin Samarth, The Pennsylvania State University
Ivan K. Schuller, University of California
Andrei N. Slavin, Oakland University
Mark D. Stiles, Center for Nanoscale Science and Technology, National Institute of Standards and Technology
Oleg Tchernyshyov, The Johns Hopkins University
André Thiaville, Laboratoire de Physique des Solides, Université Paris-Sud
Barry L. Zink, University of DenverFollow

Publication Date

6-5-2017

Document Type

Article

Organizational Units

Physics and Astronomy

Keywords

Hall effect, Magnetic interactions, Magnetic texture, Magnetism, Magnetization switching, Magnetotransport, Micromagnetism, Spin current

Abstract

This article reviews static and dynamic interfacial effects in magnetism, focusing on interfacially driven magnetic effects and phenomena associated with spin-orbit coupling and intrinsic symmetry breaking at interfaces. It provides a historical background and literature survey, but focuses on recent progress, identifying the most exciting new scientific results and pointing to promising future research directions. It starts with an introduction and overview of how basic magnetic properties are affected by interfaces, then turns to a discussion of charge and spin transport through and near interfaces and how these can be used to control the properties of the magnetic layer. Important concepts include spin accumulation, spin currents, spin-transfer torque, and spin pumping. An overview is provided to the current state of knowledge and existing review literature on interfacial effects such as exchange bias, exchange-spring magnets, the spin Hall effect, oxide heterostructures, and topological insulators. The article highlights recent discoveries of interface-induced magnetism and noncollinear spin textures, nonlinear dynamics including spin-transfer torque and magnetization reversal induced by interfaces, and interfacial effects in ultrafast magnetization processes.

Publication Statement

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