Magnonic crystals: towards terahertz frequencies

K Zakeri - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
This topical review presents an overview of the recent experimental and theoretical attempts
on designing magnonic crystals for operation at different frequencies. The focus is put on the …

[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 …

Applications of nanomagnets as dynamical systems: II

B Rana, AK Mondal, S Bandyopadhyay… - …, 2021 - iopscience.iop.org
In Part I of this topical review, we discussed dynamical phenomena in nanomagnets,
focusing primarily on magnetization reversal with an eye to digital applications. In this part …

Observation of coherent spin waves in a three-dimensional artificial spin ice structure

S Sahoo, A May, A van Den Berg, AK Mondal… - Nano Letters, 2021 - ACS Publications
Harnessing high-frequency spin dynamics in three-dimensional (3D) nanostructures may
lead to paradigm-shifting, next-generation devices including high density spintronics and …

Active control of dipole-exchange coupled magnon modes in nanoscale bicomponent magnonic crystals

A Adhikari, S Majumder, YC Otani… - ACS Applied Nano …, 2023 - ACS Publications
Bicomponent magnonic crystals (BMCs) are metasurfaces formed using two dissimilar
materials, which offer a richer manipulation of spin waves and promising spin-wave-based …

Ultrafast magnetization dynamics in a nanoscale three-dimensional cobalt tetrapod structure

S Sahoo, S Mondal, G Williams, A May, S Ladak… - Nanoscale, 2018 - pubs.rsc.org
Three-dimensional magnetic nanostructures are now attracting intense interest due to their
potential as ultrahigh density future magnetic storage devices. Here, we report on the study …

All-optical detection of the spin Hall angle in heterostructures with varying thickness of the tungsten layer

S Mondal, S Choudhury, N Jha, A Ganguly, J Sinha… - Physical review B, 2017 - APS
The development of advanced spintronics devices hinges on the efficient generation and
utilization of pure spin current. In materials with large spin-orbit coupling, the spin Hall effect …

Spin-wave nonreciprocity and magnonic band structure in a thin permalloy film induced by dynamical coupling with an array of Ni stripes

M Mruczkiewicz, P Graczyk, P Lupo, A Adeyeye… - Physical Review B, 2017 - APS
An efficient way for control of the spin wave propagation in a magnetic medium is the use of
periodic patterns known as magnonic crystals (MCs). However, the fabrication of MCs …

Applications of nanomagnets as dynamical systems: I

B Rana, AK Mondal, S Bandyopadhyay… - …, 2021 - iopscience.iop.org
When magnets are fashioned into nanoscale elements, they exhibit a wide variety of
phenomena replete with rich physics and the lure of tantalizing applications. In this topical …

Efficient modulation of spin waves in two-dimensional octagonal magnonic crystal

S Choudhury, S Barman, YC Otani, A Barman - ACS nano, 2017 - ACS Publications
Efficient tunability of magnonic spectra is demonstrated in two-dimensional ferromagnetic
antidot lattices with different lattice constants arranged in the octagonal lattice which can be …