Spin Transfer Torque: Magnetization Dynamics in Nanopillars - DEVARASU, ARAVINTHAN
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This book delves into the exciting developments in spintronics, focusing on the dynamics of magnetization switching in ferromagnetic nanopillars. Spin transfer torque (STT), a quantum phenomenon arising from electron spin interactions, is at the heart of the study. The book explores how interlayer couplings, like orange peel and biquadratic coupling, affect STT-induced magnetization switching in trilayer and pentalayer structures. It also addresses key challenges such as reducing critical current density and switching time, with an emphasis on the role of biasing in enhancing switching…mehr

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Produktbeschreibung
This book delves into the exciting developments in spintronics, focusing on the dynamics of magnetization switching in ferromagnetic nanopillars. Spin transfer torque (STT), a quantum phenomenon arising from electron spin interactions, is at the heart of the study. The book explores how interlayer couplings, like orange peel and biquadratic coupling, affect STT-induced magnetization switching in trilayer and pentalayer structures. It also addresses key challenges such as reducing critical current density and switching time, with an emphasis on the role of biasing in enhancing switching efficiency. By solving the complex Landau-Lifshitz-Gilbert-Slonczewski (LLGS) equation, the book provides insights into the nonlinear dynamics governing magnetic switching. The findings have potential applications in magnetic storage, MRAM, and high-frequency devices, offering a comprehensive understanding of STT dynamics and its practical implications in spintronics.
Autorenporträt
Dr. Aravinthan Devarasu is Senior Lecturer and Head of the Department of Sciences, Mathematics, and Education at St. Joseph College of Engineering and Technology, Tanzania, Dar es Salaam. A DST-INSPIRE Fellowship Awardee, he holds a PhD in Physics, specializing in spintronics, nonlinear dynamics, and computational physics.