Magnetization switching by orange peel coupling in pentalayer nanopillar with dual polarizer

D Aravinthan, P Sabareesan - The European Physical Journal Plus, 2022 - Springer
The magnetization switching dynamics of the free layer in the pentalayer nanopillar is
studied by numerically solving the dynamical equation governed by the Landau–Lifshitz …

Tuning of Microwave Frequency and Power Enhancement Using Spin Torque Nano-Oscillator With Tilted Polarizer

H Bhoomeeswaran… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we theoretically devised a spin torque nano-oscillator (STNO) with tilted
polarizer (TP) with the help of two independent variables (β and θ). The spin torque induced …

[HTML][HTML] Current induced magnetization switching in Co/Cu/Ni-Fe nanopillar with orange peel coupling

D Aravinthan, P Sabareesan, M Daniel - AIP Advances, 2015 - pubs.aip.org
The impact of orange peel coupling on spin current induced magnetization switching in a
Co/Cu/Ni-Fe nanopillar device is investigated by solving the switching dynamics of …

Enhancing frequency and reducing the power of spin-torque nanooscillator by the generated oersted field

H Bhoomeeswaran, P Sabareesan - Spin, 2020 - World Scientific
The current-driven magnetization precession dynamics stimulated by Spin-Transfer Torque
(STT) in a trilayer spin-valve device (typically Spin-Torque Nanooscillator (STNO)) is …

Reduction of switching time in pentalayer nanopillar device with different biasing configurations

D Aravinthan, P Sabareesan, M Daniel - Journal of Magnetism and …, 2017 - Elsevier
The spin transfer torque assisted magnetization switching in a pentalayer nanopillar device
is theoretically studied for different biasing configurations. The magnetization switching time …

Tunability of Microwave Frequency Using Spin Torque Nano Oscillator by the Generated Oersted Field with Tunable Free Layer

H Bhoomeeswaran, D Aravinthan, P Sabareesan - SPIN, 2024 - World Scientific
The current-induced magnetization precession dynamics provoked by the spin transfer
torque (STT) in a spin valve device ie tri-layer device (commonly spin torque nano oscillator …

Magnetization reversal in nanopillar devices

P Sabareesan, M Daniel - Physica Scripta, 2011 - iopscience.iop.org
We consider different nanopillars, namely Py/X/Py, Co/X/Co, Ni/X/Ni and Fe/X/Fe, where X
represents a nonmagnetic metal (X= Cu, Au, Ag, etc), and investigate the reversal of …

Current-driven magnetization reversal dynamics and breather-like EM soliton propagation in biaxial anisotropic weak ferromagnetic nanowire

L Kavitha, T Pavithra, C Boopathy, VS Kumar… - Nonlinear …, 2022 - Springer
We investigate the effect of spin torque on the switching dynamics of magnetic solitons in a
weak ferromagnetic nanowire under the influence of an electromagnetic wave (EMW). The …

Impact of interface anisotropy on spin polarized current driven switching in FePt/Au/FePt nanopillar

P Sabareesan, M Daniel - Journal of magnetism and magnetic materials, 2012 - Elsevier
Magnetization switching dynamics in FePt/Au/FePt nanopillar, induced by spin-transfer
torque is investigated by solving the Landau–Lifshitz–Gilbert–Slonczewski equation. The …

Impact of magnetic surface anisotropy on the precessional switching of magnetization in Pt-alloy nanofilms

M Daniel, R Arun, P Sabareesan - Physica B: Condensed Matter, 2012 - Elsevier
Precessional switching of magnetization in CoPt and FePt nanofilms is investigated by
solving the Landau–Lifshitz–Gilbert (LLG) equation analytically and numerically. Switching …