529 citations · 2.1k across the 30 of their papers we have counts for
31 papers
In-plane ferromagnetism-driven topological nodal-point superconductivity with tilted Weyl cones
Maciej Bazarnik, Levente Rózsa, Ioannis Ioannidis +11
The potential application of topological superconductivity in quantum transport and quantum information has fueled an intense investigation of hybrid materials with emergent electr…
Topological spin textures in an antiferromagnetic monolayer
Felix Zahner, Tim Drevelow, Roberto Lo Conte +3
Topological spin structures such as magnetic skyrmions are of fundamental interest and promising for various types of applications in spintronics. Skyrmions have been predicted to…
Spin-polarized edge modes between different magnet-superconductor-hybrids
Felix Zahner, Felix Nickel, Roberto Lo Conte +4
The interplay of magnetism and superconductivity can lead to intriguing emergent phenomena. Here we combine two different two-dimensional antiferromagnetic magnet-superconductor hy…
Kicking Co and Rh atoms on a row-wise antiferromagnet
Felix Zahner, Soumyajyoti Haldar, Roland Wiesendanger +3
Diffusion on surfaces is a fundamental process in surface science, governing nanostructure and film growth, molecular self-assembly, and chemical reactions. Atom motion on non-magn…
Antiferromagnetic order of topological orbital moments in atomic-scale skyrmion lattices
Felix Nickel, André Kubetzka, Mara Gutzeit +3
Topological orbital moments can arise in non-coplanar spin structures even in the absence of spin-orbit coupling and a net topological orbital magnetization occurs for the triple-Q…
SP-STM study of the multi-Q phases in GdRu2Si2
Jonas Spethmann, Nguyen Duy Khanh, Haruto Yoshimochi +6
The two stable surfaces of GdRu2Si2 are studied using spin-polarized scanning tunneling microscopy (SP-STM). Depending on the applied magnetic field different magnetic phases have…
The Non-collinear Path to Topological Superconductivity
Reiner Brüning, Jasmin Bedow, Roberto Lo Conte +3
Combining spin textures in ultra-thin films with conventional superconductors has emerged as a powerful and versatile platform for designing topologically non-trivial superconducti…
Phase Coexistence of Mn Trimer Clusters and Antiferromagnetic Mn Islands on Ir(111)
Arturo Rodríguez-Sota, Vishesh Saxena, Jonas Spethmann +4
Clusters supported by solid substrates are prime candidates for heterogeneous catalysis and can be prepared in various ways. While mass-selected soft-landing methods are often used…
Coupling of the triple-Q state to the atomic lattice by anisotropic symmetric exchange
Felix Nickel, André Kubetzka, Soumyajyoti Haldar +3
We identify the triple-Q (3Q) state as magnetic ground state in Pd/Mn and Rh/Mn bilayers on Re(0001) using spin-polarized scanning tunneling microscopy and density functional theor…
Antiferromagnetism-driven two-dimensional topological nodal-point superconductivity
Maciej Bazarnik, Roberto Lo Conte, Eric Mascot +3
Magnetsuperconductor hybrids (MSHs) hold the promise to host emergent topological superconducting phases. Both one-dimensional (1D) and two-dimensional (2D) magnetic systems in…
Nano-scale collinear multi-Q states driven by higher-order interactions
Mara Gutzeit, André Kubetzka, Soumyajyoti Haldar +4
Complex magnetic order arises due to the competition of different interactions between the magnetic moments. Recently, there has been an increased interest in such states not only…
Nanoscale Skyrmions on a Square Atomic Lattice
Reiner Brüning, André Kubetzka, Kirsten von Bergmann +2
Spin-polarized scanning tunneling microscopy has been applied to study non-collinear spin textures of a Mn monolayer on a four-fold symmetric W(001) substrate revealing a zero-fiel…
Coexistence of Antiferromagnetism and Superconductivity in Mn/Nb(110)
Roberto Lo Conte, Maciej Bazarnik, Krisztián Palotás +5
We report on the structural and magnetic properties of single and double atomic layers of Mn on a clean and unreconstructed Nb(110) substrate. Low-temperature scanning tunneling sp…
Zero-field skyrmionic states and in-field edge-skyrmions induced by boundary tuning
Jonas Spethmann, Elena Y. Vedmedenko, Roland Wiesendanger +2
When magnetic skyrmions are moved via currents, they do not strictly travel along the path of the current, instead their motion also gains a transverse component. This so-called sk…
Colloquium: Atomic spin chains on surfaces
Deung-Jang Choi, Nicolas Lorente, Jens Wiebe +3
In the present Colloquium, we focus on the properties of 1-D magnetic systems on solid surfaces. From the emulation of 1-D quantum phases to the potential realization of Majorana e…
Magnetic domain walls in strain-patterned ultrathin films
Aurore Finco, Marco Perini, André Kubetzka +2
We present a comparison of the characteristics of the magnetic domain walls in an atomic monolayer of Co on Pt(111) and a Ni/Fe atomic bilayer on Ir(111), based on spin-polarized s…
Inducing skyrmions in ultrathin Fe films by hydrogen exposure
Pin-Jui Hsu, Levente Rozsa, Aurore Finco +8
Magnetic skyrmions are localized nanometer-sized spin configurations with particle_like properties, which are envisioned to be used as bits in next_generation information technolog…
Temperature-induced increase of spin spiral periods
Aurore Finco, Levente Rózsa, Pin-Jui Hsu +4
Spin-polarized scanning tunneling microscopy investigations reveal a significant increase of the magnetic period of spin spirals in three-atomic-layer-thick Fe films on Ir(111), fr…
Impact of the skyrmion spin texture on magnetoresistance
André Kubetzka, Christian Hanneken, Roland Wiesendanger +1
We investigate the impact of the local spin texture on the differential conductance by scanning tunneling microscopy. In the focus is the previously found non-collinear magnetoresi…
Tailoring non-collinear magnetism by misfit dislocation lines
Aurore Finco, Pin-Jui Hsu, André Kubetzka +2
The large epitaxial stress induced by the misfit between a triple atomic layer Fe film and an Ir(111) substrate is relieved by the formation of a dense dislocation line network. Sp…
Competition of Dzyaloshinskii-Moriya and higher-order exchange interactions in Rh/Fe atomic bilayers on Ir(111)
Niklas Romming, Henning Pralow, André Kubetzka +7
Using spin-polarized scanning tunneling microscopy and density functional theory we demonstrate the occurrence of a novel type of noncollinear spin structure in Rh/Fe atomic bilaye…
Skyrmions at the edge: Confinement effects in Fe/Ir(111)
J. Hagemeister, D. Iaia, E. Y. Vedmedenko +3
We have employed spin-polarized scanning tunneling microscopy and Monte-Carlo simulations to investigate the effect of lateral confinement onto the nanoskyrmion lattice in Fe/Ir(11…
Coupling of Coexisting Non-Collinear Spin States in the Fe Monolayer on Re(0001)
Alexandra Palacio-Morales, André Kubetzka, Kirsten von Bergmann +1
Spin-polarized scanning tunneling microscopy is used to investigate the magnetic state of the Fe monolayer on Re(0001). Two coexisting atomic-scale non-collinear spin textures are…
Symmetry breaking in spin spirals and skyrmions by in-plane and canted magnetic fields
Lorenz Schmidt, Julian Hagemeister, Pin-Jui Hsu +3
The influence of in-plane and canted magnetic fields on spin spirals and skyrmions in atomic bilayer islands of palladium and iron on an Ir(111) substrate is investigated by scanni…