[HTML][HTML] Influence of stray fields on the switching-field distribution for bit-patterned media based on pre-patterned substrates

B Pfau, CM Günther, E Guehrs, T Hauet… - Applied physics …, 2014 - pubs.aip.org
Using a direct imaging method, we experimentally investigate the reversal of magnetic
islands in a bit-patterned media sample based on a pre-patterned substrate. Due to …

Contribution of the easy axis orientation, anisotropy distribution and dot size on the switching field distribution of bit patterned media

J Lee, C Brombacher, J Fidler, B Dymerska… - Applied Physics …, 2011 - pubs.aip.org
A magnetic nanostructure array was fabricated by post-patterning of a L1 0 ordered 5-nm-
thick FePtCu film revealing a rather broad switching field distribution (SFD). The individual …

High-density bit patterned media: Magnetic design and recording performance

MK Grobis, O Hellwig, T Hauet… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
We examine the magnetic properties and recording performance of bit patterned exchange
coupled composite (ECC) magnetic media at different bit and island aspect ratios. The ECC …

Dependence of write-window on write error rates in bit patterned media

J Kalezhi, BD Belle, JJ Miles - IEEE transactions on magnetics, 2010 - ieeexplore.ieee.org
In bit patterned media (BPM), the medium is patterned into nanometer-sized magnetic
islands where each island stores one bit. Although BPM samples of credible densities have …

Structure-induced spin reorientation in magnetic nanostructures

A Neumann, A Frauen, J Vollmers, A Meyer, HP Oepen - Physical Review B, 2016 - APS
We report on structuring-induced changes of the magnetic anisotropy of cylindrical
nanostructures which are carved out of thin Pt/Co/Pt films. The magnetic properties of films …

Error events due to island size variations in bit patterned media

Y Shi, PW Nutter, BD Belle… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
Control of the variations of island properties is one of the key challenges in fabricating Bit-
Patterned Media for future storage systems. The presence on any variation in the size and …

A statistical model of write-errors in bit patterned media

J Kalezhi, SJ Greaves, Y Kanai, ME Schabes… - Journal of Applied …, 2012 - pubs.aip.org
In bit patterned media (BPM), a magnetic data storage medium is patterned into nanoscale
magnetic islands each representing one binary digit (bit). The recording performance of …

Influences of film microstructure and defects on magnetization reversal in bit patterned Co/Pt multilayer thin film media

VW Guo, HS Lee, JG Zhu - Journal of Applied Physics, 2011 - pubs.aip.org
Quasisingle crystalline and polycrystalline Co/Pt multilayered films were prepared via
sputtering technique. The polycrystalline Co/Pt multilayers exhibited an appreciable number …

Comparison of bit-patterned media fabricated by methods of direct deposition and ion-milling of cobalt/palladium multilayers

N Thiyagarajah, T Huang, Y Chen, H Duan… - Journal of Applied …, 2012 - pubs.aip.org
In the fabrication of bit-patterned media (BPM), two processes are commonly used, ie, the
pattern transfer by ion-milling into an underlying film of magnetic material, and the direct …

Atomistic simulation of static magnetic properties of bit patterned media

OD Arbeláez-Echeverri, JD Agudelo-Giraldo… - Physica E: Low …, 2016 - Elsevier
In this work we present a new design of Co based bit pattern media with out-of-plane uni-
axial anisotropy induced by interface effects. Our model features the inclusion of magnetic …