Fabrication and characterization of bit-patterned media beyond 1.5 Tbit/in2

JKW Yang, Y Chen, T Huang, H Duan… - …, 2011 - iopscience.iop.org
We fabricated bit-patterned media (BPM) at densities as high as 3.3 Tbit/in 2 using a process
consisting of high-resolution electron-beam lithography followed directly by magnetic film …

Dynamics of the magnetic moments for chain of dipoles in domain wall

AM Shutyıˇ, DI Sementsov - Journal of Magnetism and Magnetic Materials, 2016 - Elsevier
We report on the dynamics of the magnetic moment numerically simulated for a chain of the
magnetic nanodots coupled through the dipole–dipole interaction and in the presence of the …

Measurements of the write error rate in bit patterned magnetic recording at 100–320 Gb/in2

M Grobis, E Dobisz, O Hellwig, ME Schabes… - Applied Physics …, 2010 - pubs.aip.org
We demonstrate a technique for measuring the intrinsic bit-error-rate as a function of write
misregistration in bit patterned media. We examine the recording performance at bit …

Write failure analysis for bit-patterned-media recording and its impact on read channel modeling

S Zhang, KS Chai, K Cai, B Chen… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
In this paper, we present a write failure analysis for bit-patterned media recording (BPMR)
with formulas derived to calculate its probability for a given set of system parameters. The …

Influence of induced anisotropy on the processes of magnetization reversal of cobalt circular nanodots

YP Ivanov, AI Il'in, EV Pustovalov… - Physics of the Solid …, 2010 - Springer
The magnetic structure and the processes of magnetization reversal of individual cobalt
nanodots and arrays of cobalt nanodots have been studied using the magneto-optical Kerr …

Magnetization suppression in Co/Pd and CoCrPt by nitrogen ion implantation for bit patterned media fabrication

K Sato, A Ajan, N Aoyama, T Tanaka… - Journal of Applied …, 2010 - pubs.aip.org
We propose a bit patterned media fabrication method based on low energy nitrogen ion
implantation. Nitrogen ion implantation of fcc-Co/Pd multilayer or hcp-CoCrPt single layer …

Individual bit island reversal and switching field distribution in perpendicular magnetic bit patterned media

YJ Chen, TL Huang, JZ Shi, J Deng, J Ding… - Journal of magnetism …, 2012 - Elsevier
The switching of single bit magnetic islands in bit patterned media (BPM) for two cases with
10 times difference in coercivity, as well as the switching field distribution (SFD) of the …

Switching probability distribution of bit islands in bit patterned media

Y Chen, J Ding, J Deng, T Huang… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
In this paper, we report magnetic force microscopy (MFM) observations of switching
probability of individual bit islands in bit patterned media. The switching probability (p) of …

Parallel algorithm for calculation of the nanodot magnetization

KV Nefedev, YP Ivanov, AA Peretyatko - Methods and Tools of Parallel …, 2010 - Springer
The task of the calculation of the dipole-dipole interaction between cobalt nanodot and
magnetic tip was formalized and the computing algorithm was implemented in parallel C++ …

A study on dynamic heat assisted magnetization reversal mechanisms under insufficient reversal field conditions

YJ Chen, HZ Yang, SH Leong, BL Wu, M Asbahi… - Applied Physics …, 2014 - pubs.aip.org
We report an experimental study on the dynamic thermomagnetic (TM) reversal mechanisms
at around Curie temperature (Tc) for isolated 60 nm pitch single-domain [Co/Pd] islands …