Spin torque study of the spin Hall conductivity and spin diffusion length in platinum thin films with varying resistivity

MH Nguyen, DC Ralph, RA Buhrman - Physical review letters, 2016 - APS
We report measurements of the spin torque efficiencies in perpendicularly magnetized Pt/Co
bilayers where the Pt resistivity ρ Pt is strongly dependent on thickness t Pt. The dam**like …

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 …

Materials with perpendicular magnetic anisotropy for magnetic random access memory

R Sbiaa, H Meng… - physica status solidi …, 2011 - Wiley Online Library
Materials with perpendicular magnetic anisotropy (PMA) are being investigated for magnetic
random access memory (MRAM) and other spintronics applications. This article is an …

Precise determination of the spectroscopic g-factor by use of broadband ferromagnetic resonance spectroscopy

JM Shaw, HT Nembach, TJ Silva… - Journal of Applied Physics, 2013 - pubs.aip.org
We demonstrate that the spectroscopic g-factor can be determined with high precision and
accuracy by broadband ferromagnetic resonance measurements and by applying an …

Determination of spin pum** as a source of linewidth in sputtered CoFe/Pd multilayers by use of broadband ferromagnetic resonance spectroscopy

JM Shaw, HT Nembach, TJ Silva - Physical Review B—Condensed Matter and …, 2012 - APS
We performed a systematic study of dam** in Co 90 Fe 10/Pd multilayers by use of
broadband (1–60 GHz) ferromagnetic resonance (FMR) spectroscopy in the perpendicular …

[HTML][HTML] Enhanced spin Hall torque efficiency in Pt100− xAlx and Pt100− xHfx alloys arising from the intrinsic spin Hall effect

MH Nguyen, M Zhao, DC Ralph… - Applied Physics Letters, 2016 - pubs.aip.org
We report that the spin Hall torque generated by Pt can be enhanced substantially by
alloying with Al or Hf. We observe dam**-like spin torque efficiency per unit applied …

Improvement of the interfacial Dzyaloshinskii-Moriya interaction by introducing a Ta buffer layer

NH Kim, DS Han, J Jung, J Cho, JS Kim… - Applied Physics …, 2015 - pubs.aip.org
We report systematic measurements of the interfacial Dzyaloshinskii-Moriya interaction
(iDMI) by employing Brillouin light scattering in Pt/Co/AlO x and Ta/Pt/Co/AlO x structures. By …

Observation of magnetic skyrmions in unpatterned symmetric multilayers at room temperature and zero magnetic field

J Brandão, DA Dugato, RL Seeger, JC Denardin… - Scientific reports, 2019 - nature.com
Magnetic skyrmions are promising candidates for the next generation of spintronic devices
due to their small size and topologically protected structure. One challenge for using these …

Spin-scattering rates in metallic thin films measured by ferromagnetic resonance dam** enhanced by spin-pum**

CT Boone, JM Shaw, HT Nembach… - Journal of Applied Physics, 2015 - pubs.aip.org
We determined the spin-transport properties of Pd and Pt thin films by measuring the
increase in ferromagnetic resonance dam** due to spin-pum** in ferromagnetic (FM) …

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 …