Search Results - "Lounis, S."

Non-collinear magnetism induced by frustration in transition-metal nanostructures deposited on surfaces by Lounis, S

“…How does magnetism behave when the physical dimension is reduced to the size of nanostructures? The multiplicity of magnetic states in these systems can be…”
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Topological–chiral magnetic interactions driven by emergent orbital magnetism by Grytsiuk, S., Hanke, J.-P., Hoffmann, M., Bouaziz, J., Gomonay, O., Bihlmayer, G., Lounis, S., Mokrousov, Y., Blügel, S.

“…Two hundred years ago, Ampère discovered that electric loops in which currents of electrons are generated by a penetrating magnetic field can mutually…”
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Tailoring the chiral magnetic interaction between two individual atoms by Khajetoorians, A. A., Steinbrecher, M., Ternes, M., Bouhassoune, M., dos Santos Dias, M., Lounis, S., Wiebe, J., Wiesendanger, R.

“…Chiral magnets are a promising route towards dense magnetic storage technology due to their inherent nano-scale dimensions and energy efficient properties…”
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Itinerant nature of atom-magnetization excitation by tunneling electrons by Khajetoorians, A A, Lounis, S, Chilian, B, Costa, A T, Zhou, L, Mills, D L, Wiebe, J, Wiesendanger, R

“…We have performed single-atom magnetization curve (SAMC) measurements and inelastic scanning tunneling spectroscopy (ISTS) on individual Fe atoms on a Cu(111)…”
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Absence of a spin-signature from a single Ho adatom as probed by spin-sensitive tunneling by Steinbrecher, M., Sonntag, A., Dias, M. dos Santos, Bouhassoune, M., Lounis, S., Wiebe, J., Wiesendanger, R., Khajetoorians, A. A.

“…Whether rare-earth materials can be used as single-atom magnetic memory is an ongoing debate in recent literature. Here we show, by inelastic and spin-resolved…”
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Topological magnons driven by the Dzyaloshinskii-Moriya interaction in the centrosymmetric ferromagnet Mn5Ge3 by dos Santos Dias, M., Biniskos, N., dos Santos, F. J., Schmalzl, K., Persson, J., Bourdarot, F., Marzari, N., Blügel, S., Brückel, T., Lounis, S.

“…The phase of the quantum-mechanical wave function can encode a topological structure with wide-ranging physical consequences, such as anomalous transport…”
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Relativistic dynamical spin excitations of magnetic adatoms by dos Santos Dias, M., Schweflinghaus, B., Blügel, S., Lounis, S.

“…We present a first-principles theory of dynamical spin excitations in the presence of spin-orbit coupling. The broken global spin rotational invariance leads…”
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A gateway towards non-collinear spin processing using three-atom magnets with strong substrate coupling by Hermenau, J., Ibañez-Azpiroz, J., Hübner, Chr, Sonntag, A., Baxevanis, B., Ton, K. T., Steinbrecher, M., Khajetoorians, A. A., dos Santos Dias, M., Blügel, S., Wiesendanger, R., Lounis, S., Wiebe, J.

“…A cluster of a few magnetic atoms on the surface of a nonmagnetic substrate is one suitable realization of a bit for spin-based information technology. The…”
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Spin excitations of individual Fe atoms on Pt(111): impact of the site-dependent giant substrate polarization by Khajetoorians, A A, Schlenk, T, Schweflinghaus, B, Dias, M dos Santos, Steinbrecher, M, Bouhassoune, M, Lounis, S, Wiebe, J, Wiesendanger, R

“…We demonstrate using inelastic scanning tunneling spectroscopy and simulations based on density functional theory that the amplitude and sign of the magnetic…”
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Higher-order topological matter and fractional chiral states by Drissi, L. B., Lounis, S., Saidi, E. H.

“…We develop a chiral anomalous fermion hamiltonian proposal to study the higher-order topological (HOT) phase with chiral symmetry C fractionalized like C x C y…”
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Spin-orbit coupling and spin waves in ultrathin ferromagnets: The spin-wave Rashba effect by Costa, A. T., Muniz, R. B., Lounis, S., Klautau, A. B., Mills, D. L.

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Structural, electronic and topological properties of 3D TmBi compound by Ragragui, M., Drissi, L. B., Saidi, E. H., Lounis, S.

“…Using density functional theory-based methods, we report the structural, electronic and topological properties of the FCC crystal compound TmBi. This material…”
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An overview of the spin dynamics of antiferromagnetic Mn5Si3 by Biniskos, N., dos Santos, F. J., dos Santos Dias, M., Raymond, S., Schmalzl, K., Steffens, P., Persson, J., Marzari, N., Blügel, S., Lounis, S., Brückel, T.

“…The metallic compound Mn5Si3 hosts a series of antiferromagnetic phases that can be controlled by external stimuli, such as temperature and magnetic field. In…”
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Dynamical magnetic excitations of nanostructures from first principles by Lounis, S, Costa, A T, Muniz, R B, Mills, D L

“…Within time-dependent density functional theory, combined with the Korringa-Kohn-Rostoker Green functions, we devise a real space method to investigate spin…”
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Dynamical current-induced ferromagnetic and antiferromagnetic resonances by Guimarães, F. S. M., Lounis, S., Costa, A. T., Muniz, R. B.

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Noncollinear Korringa-Kohn-Rostoker Green function method : Application to 3d nanostructures on Ni(001) by LOUNIS, S, MAVROPOULOS, Ph, DEDERICHS, P. H, BLÜGEL, S

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Fe clusters on Ni and Cu: size and shape dependence of the spin moment by Mavropoulos, P., Lounis, S., Zeller, R., Blügel, S.

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Non-collinear magnetism of Cr nanostructures on Fe3ML/Cu(001): First principles and experimental investigations by Lounis, S, Reif, M, Mavropoulos, P, Glaser, L, Dederichs, P. H, Martins, M, Blügel, S, Wurth, W

“…A combined experimental, using the X-ray magnetic circular dichroism, and theoretical investigation, using the full-potential Korringa-Kohn-Rostoker (KKR)…”
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Antiferromagnetic polarization at Mn/V(001) interfaces by Belhadji, B., Lounis, S., Benakki, M., Demangeat, C.

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Half-metallic ferromagnetism with high critical temperatures in Substitutionally Doped Rare-Earth 2D Germanene by Taleb, A. Ait, Drissi, L.B., Kanga, N.B.-J., Lounis, S.

“…This work delves deep into the exploration of Rare-earth (RE) replacement doping germanene monolayers, where RE elements stand out for their fascinating…”
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