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7 papers · 2 filters
Enhanced ultrafast relaxation rate in the Weyl semimetal phase of measured by time-and angle-resolved photoelectron spectroscopy
A. Crepaldi, G. Autès, G. Gatti +18
has recently been shown to realize in its low-temperature phase the type-II Weyl semimetal (WSM). We investigated by time- and angle- resolved photoelectron spect…
Dzyaloshinskii-Moryia interaction at an antiferromagnetic interface: first-principles study of FeIr bilayers on Rh(001)
Sebastian Meyer, Bertrand Dupé, Paolo Ferriani +1
We study the magnetic interactions in atomic layers of Fe and 5d transition-metals such as Os, Ir, and Pt on the (001) surface of Rh using first-principles calculations based on de…
Stabilizing isolated skyrmions at low magnetic fields exploiting vanishing magnetic anisotropy
Marie Hervé, Bertrand Dupé, Rafael Lopes +6
Skyrmions are topologically protected non-collinear magnetic structures. Their stability and dynamics, arising from their topological character, have made them ideal information ca…
B-T phase diagram of Pd/Fe/Ir(111) computed with parallel tempering Monte Carlo
Marie Böttcher, Stefan Heinze, Sergei Egorov +2
We use an atomistic spin model derived from density functional theory calculations for the ultra-thin film Pd/Fe/Ir(111) to show that temperature induces coexisting non-zero skyrmi…
Enhanced skyrmion stability due to exchange frustration
S. von Malottki, B. Dupé, P. F. Bessarab +2
Skyrmions are localized, topologically non-trivial spin structures which have raised high hopes for future spintronic applications. A key issue is skyrmion stability with respect t…
Quantifying the structural integrity of nanorod arrays
Florian Thöle, Longjian Xue, Claudia Heß +3
Arrays of aligned nanorods oriented perpendicular to a support, which are accessible by top-down lithography or by means of shape-defining hard templates, have received increasing…