Electric-field tunable spin diode FMR in patterned PMN-PT/NiFe structures

Slawomir Ziętek , Piotr Ogrodnik , Witold Skowrońsk , Feliks Stobiecki , Sebastiaan Van Dijken , Józef Barnaś , Tomasz Stobiecki


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.
Author Slawomir Ziętek
Slawomir Ziętek,,
, Piotr Ogrodnik (FP / SRD)
Piotr Ogrodnik,,
- Structural Research Division
, Witold Skowrońsk
Witold Skowrońsk,,
, Feliks Stobiecki
Feliks Stobiecki,,
, Sebastiaan Van Dijken
Sebastiaan Van Dijken,,
, Józef Barnaś
Józef Barnaś,,
, Tomasz Stobiecki
Tomasz Stobiecki,,
Journal seriesApplied Physics Letters, ISSN 0003-6951
Issue year2016
Publication size in sheets0.3
Keywords in EnglishPiezoelectric fields; Magnetic fields; Magnetic anisotropy; Piezoelectric films; Electrical resistivity
ASJC Classification3101 Physics and Astronomy (miscellaneous)
URL http://aip.scitation.org/doi/abs/10.1063/1.4961124
Languageen angielski
ogrodnik2016.pdf 831.35 KB
Score (nominal)40
Score sourcejournalList
ScoreMinisterial score = 35.0, 01-01-2020, ArticleFromJournal
Ministerial score (2013-2016) = 40.0, 01-01-2020, ArticleFromJournal
Publication indicators WoS Citations = 8; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.266; WoS Impact Factor: 2016 = 3.411 (2) - 2016=3.341 (5)
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