Domain wall memory: Physics, materials, and devices

D Kumar, T Jin, R Sbiaa, M Kläui, S Bedanta, S Fukami… - Physics Reports, 2022 - Elsevier
Digital data, generated by corporate and individual users, is growing day by day due to a
vast range of digital applications. Magnetic hard disk drives (HDDs) currently fulfill the …

[HTML][HTML] Frontiers of magnetic force microscopy

O Kazakova, R Puttock, C Barton… - Journal of applied …, 2019 - pubs.aip.org
Since it was first demonstrated in 1987, magnetic force microscopy (MFM) has become a
truly widespread and commonly used characterization technique that has been applied to a …

Control of crystallization and magnetic properties of CoFeB by boron concentration

JS Kim, G Kim, J Jung, K Jung, J Cho, WY Kim… - Scientific Reports, 2022 - nature.com
Controlling the crystallinity of CoFeB is the most essential issue for designing various
spintronics devices. Here we show the microstructure and magnetic properties of …

Coherent anti-Stokes Raman spectroscopy of single and multi-layer graphene

A Virga, C Ferrante, G Batignani, D De Fazio… - Nature …, 2019 - nature.com
Spontaneous Raman spectroscopy is a powerful characterization tool for graphene
research. Its extension to the coherent regime, despite the large nonlinear third-order …

Exchange-driven all-optical magnetic switching in compensated ferrimagnets

CS Davies, G Bonfiglio, K Rode, J Besbas… - Physical Review …, 2020 - APS
Understanding how a single laser pulse can toggle magnetization in a compensated 3 d
ferrimagnet is a critical problem in ultrafast magnetism. To resolve it, we test single-shot all …

[HTML][HTML] Heat-assisted magnetic recording—Micromagnetic modeling of recording media and areal density: A review

WH Hsu, RH Victora - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
Hard disk drives have become the most commonly used mass storage devices because of
their low cost and high storage capacity. However, the current perpendicular magnetic …

Temperature and size dependence of energy barrier for magnetic flips in L10 FePt nanoparticles: A theoretical study

HB Tran, Y Matsushita - Scripta Materialia, 2024 - Elsevier
L1 0 FePt nanoparticle is among the most promising materials for magnetic recording and
nanomagnetic applications. In nanoparticles, the superparamagnetic effect, wherein the …

Spin stress contribution to the lattice dynamics of FePt

A von Reppert, L Willig, JE Pudell, SP Zeuschner… - Science …, 2020 - science.org
Invar-behavior occurring in many magnetic materials has long been of interest to materials
science. Here, we show not only invar behavior of a continuous film of FePt but also even …

[HTML][HTML] Transmission electron microscopy image based micromagnetic simulations for optimizing nanostructure of FePt-X heat-assisted magnetic recording media

A Bolyachkin, H Sepehri-Amin, I Suzuki, H Tajiri… - Acta Materialia, 2022 - Elsevier
The areal density of the heat-assisted magnetic recording (HAMR) technology has a
potential to reach 4 Tb/in 2. However, the bimodal grain size distribution and structural …

Graphene overcoats for ultra-high storage density magnetic media

N Dwivedi, AK Ott, K Sasikumar, C Dou, RJ Yeo… - Nature …, 2021 - nature.com
Hard disk drives (HDDs) are used as secondary storage in digital electronic devices owing
to low cost and large data storage capacity. Due to the exponentially increasing amount of …