Tailoring of magnetic anisotropy by ion irradiation for magnetic tunnel junction sensors

A Mahendra, P Gupta, S Granville, J Kennedy - Journal of Alloys and …, 2022 - Elsevier
Abstract Magnetic Tunnel Junctions (MTJ) are employed in a range of technologies such as
data storage, sensing, and so on due to their compact nature and high field sensitivity. In …

Enhancement of perpendicular magnetic anisotropy of Co layer in exchange-biased Au/Co/NiO/Au polycrystalline system

P Kuświk, B Szymański, B Anastaziak… - Journal of Applied …, 2016 - pubs.aip.org
The perpendicular exchange bias in NiO (antiferromagnet)/Co (ferromagnet) polycrystalline
layer films is studied. It is found that the NiO layer forces the Co layer magnetization to be …

Magnetization states and magnetization processes in nanostructures: From a single layer to multilayers

A Maziewski, J Fassbender, J Kisielewski… - … status solidi (a), 2014 - Wiley Online Library
The results of combined (experimental, analytical, and micromagnetic simulations) studies
on the evolution of magnetization states and processes in ultrathin films and multilayered …

Irreversible modification of magnetic properties of Pt/Co/Pt ultrathin films by femtosecond laser pulses

J Kisielewski, W Dobrogowski, Z Kurant… - Journal of Applied …, 2014 - pubs.aip.org
Annealing ultrathin Pt/Co/Pt films with single femtosecond laser pulses leads to irreversible
spin-reorientation transitions and an amplification of the magneto-optical Kerr rotation. The …

On defects' role in enhanced perpendicular magnetic anisotropy in Pt/Co/Pt, induced by ion irradiation

MM Jakubowski, MO Liedke, M Butterling… - Journal of Physics …, 2019 - iopscience.iop.org
Modifications of magnetic and magneto-optical properties of Pt/Co (d Co)/Pt upon Ar+
irradiation (with energy 1.2, 5 and 30 keV) and fluence, F at the range from 2· 10 13–2· 10 16 …

Interlayer coupling-driven magnetic ordering and magnetization processes in ultrathin Au/Co/Mo/Co/Au film

Z Kurant, M Tekielak, I Sveklo, A Wawro… - Journal of Magnetism …, 2019 - Elsevier
Interlayer magnetic coupling in an Au/Co/Mo/Co/Au system fabricated by molecular beam
epitaxy was studied as a function of the thicknesses of the cobalt and molybdenum spacer …

Ultrathin Co films with Pt and Au covers—magnetic and structural properties driven by Ga+ ion irradiation

P Mazalski, L Ohnoutek, I Sveklo, L Beran… - New Journal of …, 2021 - iopscience.iop.org
Abstract The X/Co 3 nm/Y (where X, Y= Au, Pt) trilayers with as deposited in-plane
magnetization alignment were irradiated with 30 keV Ga+ ions in the wide range of ion …

RF magnetron sputtering induced the perpendicular magnetic anisotropy modification in Pt/Co based multilayers

R Li, Y Li, Y Sheng, K Wang - Chinese Physics B, 2021 - iopscience.iop.org
We demonstrate that radio frequency (RF) magnetron sputtering technique can modify the
perpendicular magnetic anisotropy (PMA) of Pt/Co/normal metal (NM) thin films. Influence of …

Tailoring perpendicular exchange bias coupling in Au/Co/NiO systems by ion bombardment

P Kuświk, A Gaul, M Urbaniak, M Schmidt, J Aleksiejew… - Nanomaterials, 2018 - mdpi.com
Here, we systematically investigated the influence of ion bombardment with different
fluences on the strength and direction of the exchange bias coupling in Au/Co/NiO systems …

Ion irradiation driven changes of magnetic anisotropy in ultrathin Co films sandwiched between Au or Pt covers

P Mazalski, Z Kurant, I Sveklo, W Dobrogowski… - Journal of Magnetism …, 2019 - Elsevier
Modifications of magnetic anisotropy of 30 keV Ga+ ion irradiated ultrathin Co films
sandwiched between Au or Pt buffer and capping layers are investigated as a function of …