Magnetic nanoparticles: Synthesis, anisotropy, and applications

Z Ma, J Mohapatra, K Wei, JP Liu, S Sun - Chemical Reviews, 2021 - ACS Publications
Anisotropy is an important and widely present characteristic of materials that provides
desired direction-dependent properties. In particular, the introduction of anisotropy into …

Magnetic recording: advancing into the future

A Moser, K Takano, DT Margulies… - Journal of Physics D …, 2002 - iopscience.iop.org
In recent years, the stability of recorded data against thermal decay has become an
important criterion for judging the performance of magnetic recording systems. Continued …

Finite-size effects in fine particles: magnetic and transport properties

X Batlle, A Labarta - Journal of Physics D: Applied Physics, 2002 - iopscience.iop.org
Some of the most relevant finite-size and surface effects in the magnetic and transport
properties of magnetic fine particles and granular solids are reviewed. The stability of the …

High K/sub u/materials approach to 100 Gbits/in/sup 2

D Weller, A Moser, L Folks, ME Best… - IEEE Transactions …, 2000 - ieeexplore.ieee.org
High K/sub u/, uniaxial magnetocrystalline anisotropy, materials are generally attractive for
ultrahigh density magnetic recording applications as they allow smaller, thermally stable …

Thermal effect limits in ultrahigh-density magnetic recording

D Weller, A Moser - IEEE Transactions on magnetics, 1999 - ieeexplore.ieee.org
In current longitudinal magnetic recording media, high areal density and low noise are
achieved by statistical averaging over several hundred weakly coupled ferromagnetic grains …

L10 FePtX–Y media for heat‐assisted magnetic recording

D Weller, O Mosendz, G Parker, S Pisana… - … status solidi (a), 2013 - Wiley Online Library
Highly chemically ordered L10 FePtX–Y nano‐granular films with high perpendicular
magnetic anisotropy are key media approaches for future heat‐assisted magnetic recording …

Hard and semi-hard magnetic materials based on cobalt and cobalt alloys

J Mohapatra, M **ng, J Elkins, JP Liu - Journal of Alloys and Compounds, 2020 - Elsevier
Cobalt (Co) is one of the most important 3d transition metal elements used in the
development of magnetic materials, especially in hard magnetic materials, from the early Co …

Extremely high-density longitudinal magnetic recording media

D Weller, MF Doerner - Annual review of materials science, 2000 - annualreviews.org
▪ Abstract Areal density progress in magnetic recording is largely determined by the ability to
fabricate low-noise, granular thin lm media with sufficient stability against thermal agitation …

Orientation-controlled nonepitaxial L1 CoPt and FePt films

H Zeng, ML Yan, N Powers, DJ Sellmyer - Applied physics letters, 2002 - pubs.aip.org
We report results on highly oriented, face-centered tetragonal ordered CoPt and FePt thin
films grown nonepitaxially by directly depositing films on thermally oxidized Si substrates …

Structure and order in cobalt/platinum-type nanoalloys: from thin films to supported clusters

P Andreazza, V Pierron-Bohnes, F Tournus… - Surface Science …, 2015 - Elsevier
Abstract Among nanoalloys, Co–Pt type (CoPt or FePt) supported nanostructures are very
interesting systems due to the direct link between atom arrangement and magnetic behavior …