Dynamical magnetic excitations with spin-orbit interaction in realistic nanostructures

Publicaciones

Correlating Josephson supercurrents and Shiba states in quantum spins unconventionally coupled to superconductors

Autores: Felix Küster, Ana M. Montero, Filipe S. M. Guimarães, Sascha Brinker, Samir Lounis, Stuart S. P. Parkin, Paolo Sessi
Publicado en: Nature Communications, Edición 12/1, 2021, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-021-21347-5

Multiple magnetic states of CoPc molecule on a two-dimensional layer of NbSe 2

Autores: Ana M Montero, Filipe S M Guimarães, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 33/20, 2021, Página(s) 205802, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648x/abed64

Prospecting chiral multisite interactions in prototypical magnetic systems

Autores: Sascha Brinker, Manuel dos Santos Dias, Samir Lounis
Publicado en: Physical Review Research, Edición 2/3, 2020, ISSN 2643-1564
Editor: American Physical Society
DOI: 10.1103/physrevresearch.2.033240

Transverse Transport in Two-Dimensional Relativistic Systems with Nontrivial Spin Textures

Autores: Juba Bouaziz, Hiroshi Ishida, Samir Lounis, Stefan Blügel
Publicado en: Physical Review Letters, Edición 126/14, 2021, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/physrevlett.126.147203

Controlling in-gap end states by linking nonmagnetic atoms and artificially-constructed spin chains on superconductors

Autores: Lucas Schneider, Sascha Brinker, Manuel Steinbrecher, Jan Hermenau, Thore Posske, Manuel dos Santos Dias, Samir Lounis, Roland Wiesendanger, Jens Wiebe
Publicado en: Nature Communications, Edición 11/1, 2020, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-020-18540-3

Topological–chiral magnetic interactions driven by emergent orbital magnetism

Autores: S. Grytsiuk, J.-P. Hanke, M. Hoffmann, J. Bouaziz, O. Gomonay, G. Bihlmayer, S. Lounis, Y. Mokrousov, S. Blügel
Publicado en: Nature Communications, Edición 11/1, 2020, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-019-14030-3

Dependence of the magnetic interactions in MoS 2 monolayer on Mn-doping configurations

Autores: Adlen Smiri, Iann C Gerber, Samir Lounis, Sihem Jaziri
Publicado en: Journal of Physics: Condensed Matter, Edición 31/46, 2019, Página(s) 465802, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648x/ab360b

Proper and improper chiral magnetic interactions

Autores: Manuel dos Santos Dias, Sascha Brinker, András Lászlóffy, Bendegúz Nyári, Stefan Blügel, László Szunyogh, Samir Lounis
Publicado en: Physical Review B, Edición 103/14, 2021, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/physrevb.103.l140408

Probing the pinning strength of magnetic vortex cores with sub-nanometer resolution

Autores: Christian Holl, Marvin Knol, Marco Pratzer, Jonathan Chico, Imara Lima Fernandes, Samir Lounis, Markus Morgenstern
Publicado en: Nature Communications, Edición 11/1, 2020, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-020-16701-y

Impact of single atomic defects and vacancies on the magnetic anisotropy energy of CoPt thin films

Autores: Samy Brahimi, Hamid Bouzar, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 31/43, 2019, Página(s) 435803, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648x/ab2ffb

Spin waves in the collinear antiferromagnetic phase of Mn 5 Si 3

Autores: F. J. dos Santos, N. Biniskos, S. Raymond, K. Schmalzl, M. dos Santos Dias, P. Steffens, J. Persson, S. Blügel, S. Lounis, T. Brückel
Publicado en: Physical Review B, Edición 103/2, 2021, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/physrevb.103.024407

Trends in the hyperfine interactions of magnetic adatoms on thin insulating layers

Autores: Sufyan Shehada, Manuel dos Santos Dias, Filipe Souza Mendes Guimarães, Muayad Abusaa, Samir Lounis
Publicado en: npj Computational Materials, Edición 7/1, 2021, ISSN 2057-3960
Editor: Nature Research
DOI: 10.1038/s41524-021-00556-y

Impurity-dependent gyrotropic motion, deflection and pinning of current-driven ultrasmall skyrmions in PdFe/Ir(111) surface

Autores: Imara Lima Fernandes, Jonathan Chico, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 32/42, 2020, Página(s) 425802, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648x/ab9cf0

Spin-orbit torques and their associated effective fields from gigahertz to terahertz

Autores: Filipe S. M. Guimarães, Juba Bouaziz, Manuel dos Santos Dias, Samir Lounis
Publicado en: Communications Physics, Edición 3/1, 2020, ISSN 2399-3650
Editor: Nature Publishing Group
DOI: 10.1038/s42005-020-0282-x

The chiral biquadratic pair interaction

Autores: Sascha Brinker, Manuel dos Santos Dias, Samir Lounis
Publicado en: New Journal of Physics, Edición 21/8, 2019, Página(s) 083015, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ab35c9

Defect-implantation for the all-electrical detection of non-collinear spin-textures

Autores: Imara Lima Fernandes, Mohammed Bouhassoune, Samir Lounis
Publicado en: Nature Communications, Edición 11/1, 2020, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-020-15379-6

Complex magnetism of the two-dimensional antiferromagnetic Ge 2 F: from a Néel spin-texture to a potential antiferromagnetic skyrmion

Autores: Fatima Zahra Ramadan, Flaviano José dos Santos, Lalla Btissam Drissi, Samir Lounis
Publicado en: RSC Advances, Edición 11/15, 2021, Página(s) 8654-8663, ISSN 2046-2069
Editor: Royal Society of Chemistry
DOI: 10.1039/d0ra09678d

A new view on the origin of zero-bias anomalies of Co atoms atop noble metal surfaces

Autores: Juba Bouaziz, Filipe Souza Mendes Guimarães, Samir Lounis
Publicado en: Nature Communications, Edición 11/1, 2020, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-020-19746-1

Spin, atomic, and interatomic orbital magnetism induced by 3 d nanostructures deposited on transition metal surfaces

Autores: Sascha Brinker, Manuel dos Santos Dias, Samir Lounis
Publicado en: Physical Review Materials, Edición 4/2, 2020, ISSN 2475-9953
Editor: American Physical Society
DOI: 10.1103/physrevmaterials.4.024404

Zero-point magnetic exchange interactions

Autores: Juba Bouaziz, Julen Ibañez-Azpiroz, Filipe S. M. Guimarães, Samir Lounis
Publicado en: Physical Review Research, Edición 2/4, 2020, ISSN 2643-1564
Editor: American Physical Society
DOI: 10.1103/physrevresearch.2.043357

Nondegenerate valleys in the half-metallic ferromagnet Fe / WS 2

Autores: Omar Messaoudi, Julen Ibañez-Azpiroz, Hamid Bouzar, Samir Lounis
Publicado en: Physical Review B, Edición 97/3, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.97.035404

Giant perpendicular magnetic anisotropy energies in CoPt thin films: impact of reduced dimensionality and imperfections

Autores: Samy Brahimi, Hamid Bouzar, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 28/49, 2016, Página(s) 496002, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/0953-8984/28/49/496002

Chiral magnetism of magnetic adatoms generated by Rashba electrons

Autores: Juba Bouaziz, Manuel dos Santos Dias, Abdelhamid Ziane, Mouloud Benakki, Stefan Blügel, Samir Lounis
Publicado en: New Journal of Physics, Edición 19/2, 2017, Página(s) 023010, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aa59e8

Zero-Point Spin-Fluctuations of Single Adatoms

Autores: Julen Ibañez-Azpiroz, Manuel dos Santos Dias, Stefan Blügel, Samir Lounis
Publicado en: Nano Letters, Edición 16/7, 2016, Página(s) 4305-4311, ISSN 1530-6984
Editor: American Chemical Society
DOI: 10.1021/acs.nanolett.6b01344

Longitudinal and transverse spin relaxation times of magnetic single adatoms: An ab initio analysis

Autores: Julen Ibañez-Azpiroz, Manuel dos Santos Dias, Stefan Blügel, Samir Lounis
Publicado en: Physical Review B, Edición 96/14, 2017, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.96.144410

Tuning Paramagnetic Spin Excitations of Single Adatoms

Autores: Julen Ibañez-Azpiroz, Manuel dos Santos Dias, Benedikt Schweflinghaus, Stefan Blügel, Samir Lounis
Publicado en: Physical Review Letters, Edición 119/1, 2017, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.119.017203

Chirality-driven orbital magnetic moments as a new probe for topological magnetic structures

Autores: Manuel dos Santos Dias, Juba Bouaziz, Mohammed Bouhassoune, Stefan Blügel, Samir Lounis
Publicado en: Nature Communications, Edición 7, 2016, Página(s) 13613, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/ncomms13613

Engineering elliptical spin-excitations by complex anisotropy fields in Fe adatoms and dimers on Cu(111)

Autores: Filipe S. M. Guimarães, Manuel dos Santos Dias, Benedikt Schweflinghaus, Samir Lounis
Publicado en: Physical Review B, Edición 96/14, 2017, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.96.144401

First-principles investigation of spin-wave dispersions in surface-reconstructed Co thin films on W(110)

Autores: Flaviano José dos Santos, Manuel dos Santos Dias, Samir Lounis
Publicado en: Physical Review B, Edición 95/13, 2017, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.95.134408

Halogenation of SiC for band-gap engineering and excitonic functionalization

Autores: L B Drissi, F Z Ramadan, S Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 29/45, 2017, Página(s) 455001, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648X/aa8b99

Dynamical amplification of magnetoresistances and Hall currents up to the THz regime

Autores: Filipe S. M. Guimarães, Manuel dos Santos Dias, Juba Bouaziz, Antonio T. Costa, Roberto B. Muniz, Samir Lounis
Publicado en: Scientific Reports, Edición 7/1, 2017, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/s41598-017-03924-1

A gateway towards non-collinear spin processing using three-atom magnets with strong substrate coupling

Autores: J. Hermenau, J. Ibañez-Azpiroz, Chr. Hübner, A. Sonntag, B. Baxevanis, K. T. Ton, M. Steinbrecher, A. A. Khajetoorians, M. dos Santos Dias, S. Blügel, R. Wiesendanger, S. Lounis, J. Wiebe
Publicado en: Nature Communications, Edición 8/1, 2017, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-017-00506-7

Ab initio investigation of impurity-induced in-gap states in Bi 2 Te 3 and Bi

Autores: Juba Bouaziz, Manuel dos Santos Dias, Julen Ibañez-Azpiroz, Samir Lounis
Publicado en: Physical Review B, Edición 98/3, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.98.035119

Impact of complex adatom-induced interactions on quantum spin Hall phases

Autores: Flaviano José dos Santos, Dario A. Bahamon, Roberto B. Muniz, Keith McKenna, Eduardo V. Castro, Johannes Lischner, Aires Ferreira
Publicado en: Physical Review B, Edición 98/8, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.98.081407

Impurity-induced orbital magnetization in a Rashba electron gas

Autores: Juba Bouaziz, Manuel dos Santos Dias, Filipe Souza Mendes Guimarães, Stefan Blügel, Samir Lounis
Publicado en: Physical Review B, Edición 98/12, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.98.125420

Interatomic orbital magnetism: The case of 3 d adatoms deposited on the Pt(111) surface

Autores: Sascha Brinker, Manuel dos Santos Dias, Samir Lounis
Publicado en: Physical Review B, Edición 98/9, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.98.094428

Spin-resolved inelastic electron scattering by spin waves in noncollinear magnets

Autores: Flaviano José dos Santos, Manuel dos Santos Dias, Filipe Souza Mendes Guimarães, Juba Bouaziz, Samir Lounis
Publicado en: Physical Review B, Edición 97/2, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/PhysRevB.97.024431

Anatomy of magnetic anisotropy induced by Rashba spin-orbit interactions

Autores: Gaurav Chaudhary, Manuel dos Santos Dias, Allan H. MacDonald, Samir Lounis
Publicado en: Physical Review B, Edición 98/13, 2018, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/physrevb.98.134404

Spin-fluctuation and spin-relaxation effects of single adatoms from first principles

Autores: Julen Ibañez-Azpiroz, Manuel dos Santos Dias, Stefan Blügel, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 30/34, 2018, Página(s) 343002, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648X/aad43d

Universality of defect-skyrmion interaction profiles

Autores: Imara Lima Fernandes, Juba Bouaziz, Stefan Blügel, Samir Lounis
Publicado en: Nature Communications, Edición 9/1, 2018, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-018-06827-5

Unoccupied surface and interface states in Pd thin films deposited on Fe/Ir(111) surface

Autores: Mohammed Bouhassoune, Imara Lima Fernandes, Stefan Blügel, Samir Lounis
Publicado en: New Journal of Physics, Edición 21/6, 2019, Página(s) 063015, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ab2487

Comparative study of methodologies to compute the intrinsic Gilbert damping: interrelations, validity and physical consequences

Autores: Filipe S M Guimarães, J René Suckert, Jonathan Chico, Juba Bouaziz, Manuel dos Santos Dias, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 31/25, 2019, Página(s) 255802, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648X/ab1239

Electron–phonon dynamics in 2D carbon based-hybrids XC (X = Si, Ge, Sn)

Autores: L B Drissi, N B-J Kanga, S Lounis, F Djeffal, S Haddad
Publicado en: Journal of Physics: Condensed Matter, Edición 31/13, 2019, Página(s) 135702, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648X/aaff3b

Spin dynamics of 3 d and 4 d impurities embedded in prototypical topological insulators

Autores: Juba Bouaziz, Manuel dos Santos Dias, Filipe Souza Mendes Guimarães, Samir Lounis
Publicado en: Physical Review Materials, Edición 3/5, 2019, ISSN 2475-9953
Editor: American Physical Society
DOI: 10.1103/PhysRevMaterials.3.054201

Comparison of first-principles methods to extract magnetic parameters in ultrathin films: Co/Pt(111)

Autores: Bernd Zimmermann, Gustav Bihlmayer, Marie Böttcher, Mohammed Bouhassoune, Samir Lounis, Jairo Sinova, Stefan Heinze, Stefan Blügel, Bertrand Dupé
Publicado en: Physical Review B, Edición 99/21, 2019, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/physrevb.99.214426

Stabilizing spin systems via symmetrically tailored RKKY interactions

Autores: Jan Hermenau, Sascha Brinker, Marco Marciani, Manuel Steinbrecher, Manuel dos Santos Dias, Roland Wiesendanger, Samir Lounis, Jens Wiebe
Publicado en: Nature Communications, Edición 10/1, 2019, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-019-10516-2

DFT + U investigation of magnetocrystalline anisotropy of Mn-doped transition-metal dichalcogenide monolayers

Autores: Adlen Smiri, Sihem Jaziri, Samir Lounis, Iann C. Gerber
Publicado en: Physical Review Materials, Edición 5/5, 2021, ISSN 2475-9953
Editor: American Physical Society
DOI: 10.1103/physrevmaterials.5.054001

Friedel Oscillations Induced by Magnetic Skyrmions: From Scattering Properties to All-Electrical Detection

Autores: Mohammed Bouhassoune, Samir Lounis
Publicado en: Nanomaterials, Edición 11/1, 2021, Página(s) 194, ISSN 2079-4991
Editor: Multidisciplinary Digital Publishing Institute
DOI: 10.3390/nano11010194

Theoretical investigation of antiferromagnetic skyrmions in a triangular monolayer

Autores: Zhaosen Liu, Manuel dos Santos Dias, Samir Lounis
Publicado en: Journal of Physics: Condensed Matter, Edición 32/42, 2020, Página(s) 425801, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648x/ab96ef

Modeling spin waves in noncollinear antiferromagnets: Spin-flop states, spin spirals, skyrmions, and antiskyrmions

Autores: Flaviano José dos Santos, Manuel dos Santos Dias, Samir Lounis
Publicado en: Physical Review B, Edición 102/10, 2020, ISSN 2469-9950
Editor: American Physical Society
DOI: 10.1103/physrevb.102.104436

Sub-nanoscale atom-by-atom crafting of skyrmion-defect interaction profiles

Autores: I. Gede Arjana, Imara Lima Fernandes, Jonathan Chico, Samir Lounis
Publicado en: Scientific Reports, Edición 10/1, 2020, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/s41598-020-71232-2

Multiple-scattering approach for multi-spin chiral magnetic interactions: application to the one- and two-dimensional Rashba electron gas

Autores: Samir Lounis
Publicado en: New Journal of Physics, Edición 22/10, 2020, Página(s) 103003, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/abb514

Complex magnetism of B20-MnGe: from spin-spirals, hedgehogs to monopoles

Autores: Marcel Bornemann, Sergii Grytsiuk, Paul F Baumeister, Manuel dos Santos Dias, Rudolf Zeller, Samir Lounis, Stefan Blügel
Publicado en: Journal of Physics: Condensed Matter, Edición 31/48, 2019, Página(s) 485801, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648x/ab38a0

Nonreciprocity of spin waves in noncollinear magnets due to the Dzyaloshinskii-Moriya interaction

Short period magnetization texture of B20-MnGe explained by thermally fluctuating local moments

Autores: Eduardo Mendive-Tapia, Manuel dos Santos Dias, Sergii Grytsiuk, Julie B. Staunton, Stefan Blügel, and Samir Lounis
Publicado en: Physical Review B, 2021, ISSN 1098-0121
Editor: American Physical Society
DOI: 10.1103/physrevb.103.024410

Magnetism and in-gap states of 3d transition metal atoms on superconducting Re

Autores: Lucas Schneider, Manuel Steinbrecher, Levente Rózsa, Juba Bouaziz, Krisztián Palotás, Manuel dos Santos Dias, Samir Lounis, Jens Wiebe, Roland Wiesendanger
Publicado en: npj Quantum Materials, Edición 4/1, 2019, ISSN 2397-4648
Editor: Nature Publishing Group
DOI: 10.1038/s41535-019-0179-7

Complex magnetism of nanostructures on surfaces: from orbital magnetism to spin excitations

Autores: Sascha Brinker
Publicado en: 2020
Editor: RWTH Aachen University

Theoretical investigation of in-gap states emerging from magnetic nanostructures deposited on superconductors

Autores: Uriel Acevez
Publicado en: 2020
Editor: RWTH Aachen University

Interaction of magnetic skyrmions with transition metal clusters

Autores: I. Gede Arjana
Publicado en: 2018
Editor: RWTH-Aachen University

TITAN: A code and its applications for time-dependent transport and angular momentum in naostructures

Autores: Jens Rene Suckert
Publicado en: 2018
Editor: RWTH-Aachen University

First-principles investigation of charge and spin currents in magnetic nanostructures

Autores: Sascha Brinker
Publicado en: 2016
Editor: RWTH-Aachen University

Spin-orbitronics at the nanoscale: From analytical models to real materials

Autores: Juba Bouaziz
Publicado en: 2019
Editor: RWTH-Aachen University

First-principles investigation of inelastic magnetic excitations in nanostructures deposited on surfaces

Autores: Flaviano J. dos Santos
Publicado en: 2019
Editor: Forschungszentrum Jülich Gmbh

Insights into the orbital magnetism of noncollinear magnetic systems

Autores: Manuel dos Santos Dias, Samir Lounis
Publicado en: Spintronics X, 2017, Página(s) 81, ISBN 9781-510611726
Editor: SPIE
DOI: 10.1117/12.2275305

Magnetic skyrmions: structure, stability, and transport phenomena

Autores: G. Bihlmayer, P. M. Buhl, B. Dupe, I. L. Fernandes, F. Freimuth, J. Gayles, S. Heinze, N. Kiselev, S. Lounis, Y. Mokrousov, S. Bluegel
Publicado en: Psi-k Scientific Highlight of the Month, Edición N. 139, 2018
Editor: Psi-k Network

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