Magnetic nanostructures for advanced technologies: fabrication, metrology and challenges

JW Lau, JM Shaw - Journal of Physics D: Applied Physics, 2011 - iopscience.iop.org
Magnetic nanostructures are an integral part to many state-of-the-art and emerging
technologies. However, the complete path from parts (the nanostructures) to the …

Bit-patterned magnetic recording: Theory, media fabrication, and recording performance

TR Albrecht, H Arora… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
Bit-patterned media (BPM) for magnetic recording provides a route to thermally stable data
recording at> 1 Tb/in 2 and circumvents many of the challenges associated with extending …

Direct observation of thermal relaxation in artificial spin ice

A Farhan, PM Derlet, A Kleibert, A Balan… - Physical review …, 2013 - APS
We study the thermal relaxation of artificial spin ice with photoemission electron microscopy,
and are able to directly observe how such a system finds its way from an energetically …

Reversal mechanisms in perpendicularly magnetized nanostructures

JM Shaw, SE Russek, T Thomson, MJ Donahue… - Physical Review B …, 2008 - APS
We demonstrate that magnetic reversal in perpendicularly magnetized nanostructures is
highly dependent on the nature and condition of the edges. To understand the impact of …

Majority gate for nanomagnetic logic with perpendicular magnetic anisotropy

S Breitkreutz, J Kiermaier, I Eichwald… - IEEE Transactions …, 2012 - ieeexplore.ieee.org
A majority gate for nanomagnetic logic with perpendicular magnetic anisotropy is presented.
A novel technique of local focused ion beam irradiation generating artificial domain wall …

Reduction of switching current by spin transfer torque effect in perpendicular anisotropy magnetoresistive devices

R Sbiaa, SYH Lua, R Law, H Meng, R Lye… - Journal of Applied …, 2011 - pubs.aip.org
Spin transfer torque-based magnetic random access memory with perpendicular magnetic
anisotropy (PMA) provides better scalability and lower power consumption compared to …

Coercivity tuning in Co/Pd multilayer based bit patterned media

O Hellwig, T Hauet, T Thomson, E Dobisz… - Applied Physics …, 2009 - pubs.aip.org
In order to adjust the reversal field of high anisotropy [Co (2.8 Å)/Pd (9 Å)] 8 bit patterned
media (BPM), one may increase the individual Co thickness to change the overall anisotropy …

Roughness induced magnetic inhomogeneity in Co/Ni multilayers: Ferromagnetic resonance and switching properties in nanostructures

JM Shaw, HT Nembach, TJ Silva - Journal of Applied Physics, 2010 - pubs.aip.org
We report on the effect roughness has on the magnetic properties of Co/Ni multilayers with
perpendicular anisotropy. We can systematically vary the surface roughness and grain size …

Experimental demonstration of a 1-bit full adder in perpendicular nanomagnetic logic

S Breitkreutz, J Kiermaier, I Eichwald… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
In this paper a 1-bit full adder realized in perpendicular nanomagnetic logic (pNML) is
presented for the first time. The theory of NML with perpendicular magnetic anisotropy is …

Universal pattern transfer methods for metal nanostructures by block copolymer lithography

KH Tu, W Bai, G Liontos, K Ntetsikas… - …, 2015 - iopscience.iop.org
A universal block copolymer pattern transfer method was demonstrated to produce Co
nanostructures consisting of arrays of lines or dots from a polystyrene-block …