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Spin-Torque Oscillator in an Electromagnet Package

Journal article
Authors Johan Persson
S. R. Sani
S. Bonetti
F. Magnusson
Y. Pogorylov
S. M. Mohseni
S. Gunnarsson
M. Norling
C. Stoij
Johan Åkerman
Published in IEEE Transactions on Magnetics
Volume 48
Issue 11
Pages 4378-4381
ISSN 0018-9464
Publication year 2012
Published at Department of Physics (GU)
Pages 4378-4381
Language en
Links dx.doi.org/10.1109/tmag.2012.219909...
Keywords Magnetic devices, magnetic packaging, spin torque oscillator (STO), spintronics, magnetoresistance, multilayers
Subject categories Physical Sciences

Abstract

Spin-torque oscillators (STO) hold promise for multi-octave frequency operation at very high frequencies and modulation speeds. STO operation is typically demonstrated using large electromagnets and probe stations, and has so far not been packaged with a portable form factor. For STOs to be utilized in real applications, a smaller packaging solution is needed. We integrate STOs with packages originally developed for YIG oscillators, modified to incorporate permanent magnets and to achieve a compact portable oscillator based on the STO.

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