Dynamic properties of NiFe thin films on PMN-PT piezoelectric substrate are investigated using the spin-diode method. Ferromagnetic resonance (FMR) spectra of microstrips with varying width are measured as a function of magnetic field and frequency. The FMR frequency is shown to depend on the electric field applied across the substrate, which induces strain in the NiFe layer. Electric field tunability of up to 100 MHz per 1 kV/cm is achieved. An analytical model based on total energy minimization and the Landau-Lifshitz-Gilbert equation, taking into account the magnetostriction effect, is used to explain the measured dynamics. Based on this model, conditions for optimal electric-field tunable spin diode FMR in patterned NiFe/PMN-PT structures are derived.
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15 August 2016
Research Article|
August 18 2016
Electric-field tunable spin diode FMR in patterned PMN-PT/NiFe structures Available to Purchase
Slawomir Ziętek;
Slawomir Ziętek
a)
1
AGH University of Science and Technology
, Department of Electronics, Al. Mickiewicza 30, 30-059 Kraków, Poland
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Piotr Ogrodnik;
Piotr Ogrodnik
b)
1
AGH University of Science and Technology
, Department of Electronics, Al. Mickiewicza 30, 30-059 Kraków, Poland
2Faculty of Physics,
Warsaw University of Technology
, ul. Koszykowa 75, 00-662 Warszawa, Poland
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Witold Skowroński;
Witold Skowroński
1
AGH University of Science and Technology
, Department of Electronics, Al. Mickiewicza 30, 30-059 Kraków, Poland
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Feliks Stobiecki;
Feliks Stobiecki
3
Institute of Molecular Physics
, Polish Academy of Sciences, ul. Smoluchowskiego 17, 60-179 Poznań, Poland
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Sebastiaan van Dijken;
Sebastiaan van Dijken
4NanoSpin, Department of Applied Physics,
Aalto University School of Science
, P.O. Box 15100, FI-00076 Aalto, Finland
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Józef Barnaś;
Józef Barnaś
3
Institute of Molecular Physics
, Polish Academy of Sciences, ul. Smoluchowskiego 17, 60-179 Poznań, Poland
5Faculty of Physics,
Adam Mickiewicz University
, ul. Umultowska 85, 61-614 Poznań, Poland
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Tomasz Stobiecki
Tomasz Stobiecki
1
AGH University of Science and Technology
, Department of Electronics, Al. Mickiewicza 30, 30-059 Kraków, Poland
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Slawomir Ziętek
1,a)
Piotr Ogrodnik
1,2,b)
Witold Skowroński
1
Feliks Stobiecki
3
Sebastiaan van Dijken
4
Józef Barnaś
3,5
Tomasz Stobiecki
1
1
AGH University of Science and Technology
, Department of Electronics, Al. Mickiewicza 30, 30-059 Kraków, Poland
2Faculty of Physics,
Warsaw University of Technology
, ul. Koszykowa 75, 00-662 Warszawa, Poland
3
Institute of Molecular Physics
, Polish Academy of Sciences, ul. Smoluchowskiego 17, 60-179 Poznań, Poland
4NanoSpin, Department of Applied Physics,
Aalto University School of Science
, P.O. Box 15100, FI-00076 Aalto, Finland
5Faculty of Physics,
Adam Mickiewicz University
, ul. Umultowska 85, 61-614 Poznań, Poland
a)
Electronic mail: [email protected]
b)
Electronic mail: [email protected]
Appl. Phys. Lett. 109, 072406 (2016)
Article history
Received:
May 20 2016
Accepted:
August 04 2016
Citation
Slawomir Ziętek, Piotr Ogrodnik, Witold Skowroński, Feliks Stobiecki, Sebastiaan van Dijken, Józef Barnaś, Tomasz Stobiecki; Electric-field tunable spin diode FMR in patterned PMN-PT/NiFe structures. Appl. Phys. Lett. 15 August 2016; 109 (7): 072406. https://doi.org/10.1063/1.4961124
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