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Vivek Amin

Vivek Amin is a UMD Postdoctoral Researcher in the Nanoscale Processes and Measurements Group of the Nanoscale Device Characterization Division. He received a B.S. in Electrical Engineering from The University of Texas at Austin and a Ph.D. in Physics from Texas A&M University. His doctoral research focused on the theoretical development of a novel imaging technique that measures spin textures using a scanned magnetic probe, and on how spin-orbit coupling affects thermoelectric properties in magnetic tunnel junctions. Vivek is working with Mark Stiles researching current-induced magnetization switching, specifically attempting to create new models of spin orbit torque in heavy metal/ferromagnetic bilayers.

Selected Publications

  • Large-tunneling anisotropic magneto-Seebeck effect in a CoPt/MgO/Pt tunnel junction, V. P. Amin, J. Zemen, J. Železný, T. Jungwirth, and J. Sinova, Physical Review B 90, 140406 (2014).
  • Experimental demonstration of scanned spin-precession microscopy, V. P. Bhallamudi, C. S. Wolfe, V. P. Amin, D. E. Labanowski, A. J. Berger, D. Stroud, J. Sinova, and P. C. Hammel, Physical Review Letters 111, 117201 (2013).
  • Detection of electrically modulated inverse spin hall effect in an Fe/GaAs microdevice, K. Olejnik, J. Wunderlich, A. C. Irvine, R. P. Campion, V. P. Amin, J. Sinova, and T. Jungwirth, Physical Review Letters 109, 076601 (2012).


Anomalous spin–orbit torques in magnetic single-layer films

Wenrui Wang, Tao Wang, Vivek P. Amin, Yang Wang, Anil Radhakrishna, Angie Davidson, Shane Allen, Thomas J. Silva, Hendrik Ohldag, Davor Balzar, Barry L. Zink, Paul M. Haney, John Xiao, D.G. Cahill, Virginia O. Lorenz, Xin Fan
Spin-orbit interaction (SOI) couples charge and spin transport, enabling electrical control of magnetization, the foundation of next-generation spintronic

Intrinsic spin currents in ferromagnets

Vivek P. Amin, Junwen Li, Mark D. Stiles, Paul M. Haney
First principles calculations show that electric fields applied to ferromagnets generate spin currents flowing perpendicularly to the electric field. Reduced

Interface-generated spin currents

Vivek P. Amin, Jan Zemen, Mark D. Stiles
Transport calculations based on ab-initio band structures reveal large interface-generated spin currents at Co/Pt, Co/Cu, and Pt/Cu interfaces. These spin

Spin-torque excitation of perpendicular standing spin waves in coupled YIG/Co heterostructures

Stefan Klinger, Vivek P. Amin, Stephan Gepraegs, Kathrin Ganzhorn, Hannes Maier-Flaig, Matthias Althammer, Hans Huebl, Rudolf Gross, Robert D. McMichael, Mark D. Stiles, Sebastian Goennenwein, Mathias Weiler
We investigate yttrium iron garnet (YIG)/cobalt (Co) heterostructures using broadband ferromagnetic resonance (FMR). We observe an efficient excitation of

Spin currents and spin–orbit torques in ferromagnetic trilayers

Seung-heon C. Baek, Vivek P. Amin, Young-Wan Oh, Gyungchoon Go, Seung-Jae Lee, Geun-Hee Lee, Kab-Jin Kim, Mark D. Stiles, Byong-Guk Park, Kyung Jin Lee
Spin current generation by the spin-orbit interaction is one of the central themes in condensed matter physics. The spin Hall effect, for instance, is a bulk
Created August 28, 2019, Updated October 9, 2019