Spin Wave Confinement

Presenting recent scientific achievements in the investigation of magnetization dynamics in confined magnetic systems, this volume includes six chapters originating from different groups of experimentalists and theoreticians dominating the field since the discovery of the effect. Different chapters of the book reflect different facets of spin wave confinement, providing a comprehensive description of the effect and its place in modern magnetism. Valuable for scientists and engineers working on magnetic storage elements and magnetic logic, the guide is also suitable as an advanced textbook for graduate students.

This book presents recent scientific achievements in the investigation of magnetization dynamics in confined magnetic systems. Introduced by Bloch as plane waves of magnetization in unconfined ferromagnets, spin waves currently play an important role for description of very small systems.Spin wave confinement effect was experimentally discovered in the 1990s in permalloy microstripes. The diversity of systems where this effect is observed has been steadily growing since then, most of which will be addressed in this book. The book includes six chapters which originate from different groups of experimentalists and theoreticians dominating the field since the discovery of the effect. Different chapters of the book reflect different facets of spin wave confinement, providing a comprehensive description of the effect and its place in modern magnetism. It will be of value for scientists and engineers working on magnetic storage elements and magnetic logic, and is also suitable as an advanced textbook for graduate students.

IntroductionChapter 1. Quantized Spin-Wave Models due to Lateral Con_nementS. O. Demokritov and V. E. DemidovChapter 2. Brillouin Light Scattering Study of Spin Dynamics inPatterned Nano-Elements: From Single-Layer to MultilayeredStructuresG. Gubbiotti, M. Madami, S. Tacchi, and G. CarlottiChapter 3. Non-Uniform Magnetization Dynamics in Ultra-SmallFerromagnetic Planar ElementsV. V. Kruglyak, P. S. Keatley, R. J. Hicken, J. R. Childress,and J. A. KatineChapter 4. Mode Structure of Ferromagnetic SquaresM. Bailleul and C. BackChapter 5. Spin Waves in the Inhomogeneous Internal Field ofNanostructured RingsD. Grundler, F. Giesen, and J. PodbielskiChapter 6. Localized Spin Wave Modes Excited by Spin-PolarizedCurrentA. N. Slavin and V. S. TiberkevichIndex

Sergej O. Demokritov