[HTML][HTML] Magnetization dynamics of nanoscale magnetic materials: A perspective

A Barman, S Mondal, S Sahoo, A De - Journal of Applied Physics, 2020 - pubs.aip.org
Nanomagnets form the building blocks for a gamut of miniaturized energy-efficient devices
including data storage, memory, wave-based computing, sensors, and biomedical devices …

Confined In‐Situ Encapsulation of Co/C Composites with Increased Heterogeneous Interface Polarization for Enhanced Electromagnetic Performance

J Qiu, Y Liang, Y **ang, M Zhang, R Zhao, X Li, S Ma… - Small, 2024 - Wiley Online Library
It is an urgent problem to realize reliable microwave absorption materials (MAMs) with low
density. To address this issue, a series of controlled experiments w ere carried out, which …

Imaging spin dynamics on the nanoscale using X-Ray microscopy

H Stoll, M Noske, M Weigand, K Richter, B Krüger… - Frontiers in …, 2015 - frontiersin.org
The dynamics of emergent magnetic quasiparticles, such as vortices, domain walls and
bubbles are studied by scanning transmission X-ray microscopy (STXM), combining …

Efficient synchronization of dipolarly coupled vortex-based spin transfer nano-oscillators

N Locatelli, A Hamadeh, F Abreu Araujo… - Scientific reports, 2015 - nature.com
Due to their nonlinear properties, spin transfer nano-oscillators can easily adapt their
frequency to external stimuli. This makes them interesting model systems to study the effects …

Phase locking dynamics of dipolarly coupled vortex-based spin transfer oscillators

AD Belanovsky, N Locatelli, PN Skirdkov… - Physical Review B …, 2012 - APS
Phase locking dynamics of dipolarly coupled vortices excited by spin-polarized current in
two identical nanopillars is studied as a function of the interpillar distance L. Numerical study …

Logic operations based on magnetic-vortex-state networks

H Jung, YS Choi, KS Lee, DS Han, YS Yu, MY Im… - Acs Nano, 2012 - ACS Publications
Logic operations based on coupled magnetic vortices were experimentally demonstrated.
We utilized a simple chain structure consisting of three physically separated but dipolar …

Tunable negligible-loss energy transfer between dipolar-coupled magnetic disks by stimulated vortex gyration

H Jung, KS Lee, DE Jeong, YS Choi, YS Yu, DS Han… - Scientific reports, 2011 - nature.com
A wide variety of coupled harmonic oscillators exist in nature. Coupling between different
oscillators allows for the possibility of mutual energy transfer between them and the …

Spin currents and nonlinear dynamics of vortex spin torque nano-oscillators

KA Zvezdin, EG Ekomasov - Physics of Metals and Metallography, 2022 - Springer
Vortex spin torque nano-oscillators (STNOs) are multilayer spin-valve magnetic nanopillars,
in which the magnetic layers (one or both) contain a magnetic vortex, the dynamics of which …

Wave modes of collective vortex gyration in dipolar-coupled-dot-array magnonic crystals

DS Han, A Vogel, H Jung, KS Lee, M Weigand… - Scientific reports, 2013 - nature.com
Lattice vibration modes are collective excitations in periodic arrays of atoms or molecules.
These modes determine novel transport properties in solid crystals. Analogously, in …

Magnetic vortex based transistor operations

D Kumar, S Barman, A Barman - Scientific reports, 2014 - nature.com
Transistors constitute the backbone of modern day electronics. Since their advent,
researchers have been seeking ways to make smaller and more efficient transistors. Here …