2015
DOI: 10.1016/j.jmmm.2015.04.061
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Effect of deposition technique of Ni on the perpendicular magnetic anisotropy in Co/Ni multilayers

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Cited by 16 publications
(6 citation statements)
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“…Firstly, it makes it difficult to evaluate the DMI strength by the method of comparing observed bubble diameters with simulations, since the disorder and the field-history effects that it gives rise to have to be accurately taken into account. This is especially the case for superlattices with large repeat numbers where the roughness can change as the number of layers is increased 30 . Disorder and hence pinning has previously been seen to impede device performance resulting in higher than expected current density needed to drive skyrmion motion.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Firstly, it makes it difficult to evaluate the DMI strength by the method of comparing observed bubble diameters with simulations, since the disorder and the field-history effects that it gives rise to have to be accurately taken into account. This is especially the case for superlattices with large repeat numbers where the roughness can change as the number of layers is increased 30 . Disorder and hence pinning has previously been seen to impede device performance resulting in higher than expected current density needed to drive skyrmion motion.…”
Section: Discussionmentioning
confidence: 99%
“…The micromagnetic simulation package MuMax 3 30 was used to simulate the experimental results. The simulations were run in the static regime which calculates energetic minima neglecting dynamic effects.…”
Section: Methodsmentioning
confidence: 99%
“…It was recorded in our previous report that although the standard reduction potential of Ni 2+ is lower than that of both Fe 2+ and Co 2+ , the Ni +2 ion possesses the highest overpotential among the all investigated metal ions [14]. The high overpotential of Ni +2 has led to a higher deposition rate of Ni at a high electrodeposition potential difference compared with those of Fe and Co. Consequently, the atomic fraction of Ni in the film is much higher than that of Fe and Co.…”
Section: Resultsmentioning
confidence: 74%
“…However, this technique may produce inappropriate FeCoNi powder, while for magnetic media storage applications, which require soft magnetic material, the most suitable is the film form. Several familiar methods to synthesize metal or alloy in the form of deposit or a film are known, such as electrodeposition technique [9][10][11][12], solgel [13], and magnetron sputtering [14]. Among them, electrodeposition employed for the synthesis of the magnetic films is more cost-effective compared with other preparation techniques.…”
Section: Introductionmentioning
confidence: 99%
“…Theoretical calculations predict a maximum PMA for Co/Ni MLs in the fcc(111) structure at a Co thickness of one monolayer and a Ni thickness of two monolayers [7,33] (≈ Co(0.2 nm)/Ni(0.4 nm)), which has been experimentally confirmed by multiple groups [3,4,[34][35][36][37]. Previous studies have shown that PMA of Co/Ni MLs is strongly affected by the deposition process [38,39], choice of seed layers [40], and post-treatment processing, e.g. annealing [41,42] or ion radiation [31,43].…”
Section: Introductionmentioning
confidence: 54%