Jeong Kim Engineering Building, Rm. 1110
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301 405 4471
Booz Allen Hamilton Distinguished Colloquium in Electrical and Computer Engineering
"Nonlinear Magnetization Dynamics in Nanostructures"
Prof. Isaak Mayergoyz
Alford L. Ward Professor, Department of Electrical and Computer Engineering, University of Maryland
The talk will deal with the analytical study of magnetization dynamics governed by the Landau-Lifshitz equation and its generalization to the case of spin-polarized current injection. The main focus will be on "large angle magnetization motions" when the nonlinear nature of the Landau-Lifshitz equation is strongly pronounced. Such applications as "damping", "precessional" and "microwave-assisted" modes of switching of magnetization in magnetic data storage devices will be highlighted. Analysis of microwave generation induced in nanostructures by spin-polarized current injection will be outlined. The issues related to randomly perturbed magnetization dynamics, calculation of spectral (power) density by using the machinery of stochastic processes on graphs and spin-wave instability in spatially confined nanostrucures will be discussed as well.
Prof. Mayergoyz received his Master and Ph.D. degrees in the former Soviet Union where he worked as a senior research scientist in the Institute of Cybernetics of Ukranian Academy of Sciences before his emigration to the United States. On his arrival to the United States in 1980, he became a full professor of the Electrical and Computer Engineering Department of University of Maryland, College Park. In cooperation with Prof. Fawzi Emad for more than 25 years, he established and maintained the electric power engineering curriculum and educational program at the ECE Department. For many years, he served as a consultant for the Research and Development Center of General Electric Company and has been selected as a visiting research fellow of this center. He has authored and coauthored 11 books and over 350 scientific papers. He is a Fellow of IEEE (1988), Visiting Research Fellow of GE Research and Development Center (1988), Distinguished Lecturer of the IEEE Magnetics Society (1994), Distinguished Scholar-Teacher of University of Maryland, College Park (1994) and a recipient of Outstanding Teacher Award of College of Engineering (1987). In 2009, he received the Achievement Award of the Institute of Electrical and Electronics Engineers (IEEE) Magnetics Society, the highest award given by the society. He has served on numerous IEEE committees, editorial boards of scientific journals and as the Editor of Academic Press-Elsevier Electromagnetism series.
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