NDLI: Spin-torque magnetic nano-structures as microwave sources

Content Provider	IEEE Xplore Digital Library
Author	Prokopenko, O.V. Prokopenko, L.E. Tiberkevich, V.S. Slavin, A.N.
Copyright Year	2010
Description	Author affiliation: Dept. of Phys., Oakland Univ., Rochester, MI, USA (Tiberkevich, V.S.; Slavin, A.N.) \|\| Nat. Taras Shevchenko Univ. of Kiev, Kiev, Ukraine (Prokopenko, O.V.; Prokopenko, L.E.)
Abstract	In experimental microwave sources based on spin-torque magnetic nano-structures (MNS) the power is extracted as oscillation of the device magnetoresistance (MR). The goal of our work is to evaluate the magnitude of the microwave power that can be extracted from a MNS through the oscillating dipolar fields when the MNS is coupled to different microwave systems, and to compare this power with the power that can be extracted through the traditional MR mechanism. We demonstrate that, although for a single MNS the MR mechanism is much more efficient than the direct dipolar electromagnetic emission, the latter mechanism can have a significant advantage in the case of a sufficiently large array of synchronized MNS placed in a microwave resonator.
Starting Page	844
Ending Page	845
File Size	81752
Page Count	2
File Format	PDF
ISBN	9781424471843
DOI	10.1109/CRMICO.2010.5632858
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-13
Publisher Place	Ukraine
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave oscillators Magnetic multilayers Arrays Tunneling magnetoresistance Microwave communication Microwave devices
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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