Our perspective article “Proximity Effects, Topological States, and Correlated Phases in Graphene Heterostructures” published
(December 2024)
Graphene spintronics is an emerging field of research that explores the use of graphene’s extraordinary spin and charge transport properties. This Perspective explores the latest advancements in proximity effects, topological states, and correlated physics in graphene-based van der Waals heterostructures, discussing the fundamentals for potential applications.
The article has been published in 2D Materials (external link, opens in a new window).
Our preprint “Transport Signatures of Radial Rashba Spin-Orbit Coupling at Ferromagnet/Superconductor Interfaces” published on arXiv
(December 2024)
After predicting that the competition between conventional and chiral spin-orbit fields in Josephson junctions can lead to the unconventional supercurrent diode effect (see below), we are exploring fundamental ways to disentangle both types of spin-orbit coupling in real materials from transport measurements focusing at single-interface ferromagnet/superconductor junctions and also addressing interference with hypothetic Dresselhaus interactions.
Our latest results have been published in the preprint arXiv:2412.03994 (external link, opens in a new window).
Our preprint “Unconventional Josephson Supercurrent Diode Effect Induced by Chiral Spin-Orbit Coupling” published on arXiv
(November 2024)
Together with colleagues from Sendai, we proposed a new type of supercurrent diode effect – termed unconventional supercurrent diode effect – as a highly sensitive probe of interfacial chiral spin-orbit fields in vertical superconductor/ferromagnet/superconductor Josephson junctions.
Our latest results have been published in the preprint arXiv:2411.11570 (external link, opens in a new window).
Our article “Magnetotransport and Spin-Relaxation Signatures of the Radial Rashba and Dresselhaus Spin-Orbit Coupling in Proximitized Graphene” published
(November 2024)
In an international collaboration with colleagues from Taiwan, the UK, Poland, and Slovakia, we explored magnetotransport signatures of radial Rashba spin-orbit fields in proximitized graphene.
Our latest results have been published in Physical Review Letters (external link, opens in a new window).
Ph.D. Defense of Thomas Naimer
(October 2024)
Thomas Naimer, Ph.D. student in our group, successfully defended his thesis entitled “Twist angle and proximiy spin-orbit coupling in graphene-based heterostructures: an ab-initio approach”.
Congratulations, Thomas!
Habilitation Colloquium of Dr. Paulo E. Faria Junior
(October 2024)
Dr. Paulo E. Faria Junior, Research Associate in our group, has completed his Habilitation process giving an exciting talk in front of the faculty members.
Paulo's groundbreaking research, combining first-principles with phenomenological methodologies, has significantly advanced our common understanding of exciton physics in two-dimensional materials and deciphered the impact of external stimuli such as electric or magnetic fields, strain, and twisting.
We are looking forward to Paulo's continued contributions to this exciting field!
Congratulations, Paulo!
Our group at Graphene Week 2024
(October 2024)
With Prof. Dr. Jaroslav Fabian, Dr. Andreas Costa, Thomas Naimer, and Dr. Klaus Zollner, our team has shown a comprehensive presence at Graphene Week 2024 (external link, opens in a new window) in Prague advertising our research on proximity and twisting effects in graphene/van der Waals heterostructures and the supercurrent diode effect in two-dimensional systems.
Dr. Lukas Cvitkovich joins our group
(October 2024)
Dr. Lukas Cvitkovich joins our group as a Postdoc. Lukas will be working on first-principles descriptions of magnetic tunnel junctions and large-scale systems.
Welcome, Lukas!
Feature article on “Engineering Electron Spin in Van der Waals Heterostructures” in Europhysics News
(September 2024)
The latest issue of Europhysics News features a highlighted article authored by Prof. Dr. Jaroslav Fabian and Dr. Klaus Zollner to illustrate the unprecedented tunability of spin interactions in van der Waals heterostructures through, e.g., stacking and twisting individual layers. These properties make van der Waals heterostructures promising candidates for spintronics devices and next-generation information technologies.
The full article is available here (external link, opens in a new window).
Dr. Gusthavo Brizolla joins our group
(September 2024)
Dr. Gusthavo Brizolla joins our group as a Postdoc. Gusthavo will be working on modeling spin-orbit torques in two-dimensional magnets from first-principles calculations.
Welcome, Gusthavo!
Best-Poster Award for Dr. Klaus Zollner at the IC II-24 Conference
(September 2024)
The award for the best poster presented at the International Conference on Internal Interfaces 2024 (IC II-24) in Marburg has been awarded to Dr. Klaus Zollner for his contribution on “Proximity-induced spin interactions in twisted van der Waals heterostructures”.
Congratulations, Klaus!
Our article “Swapping exchange and spin-orbit induced correlated phases in proximitized Bernal bilayer graphene” published
(July 2024)
Our recent work demonstrating an efficient electrical control of various correlated phases in a single van der Waals/Bernal-bilayer-graphene heterostructure has been published in Physical Review B (external link, opens in a new window).
Our article “Emergence of radial Rashba spin-orbit fields in twisted van der Waals heterostructures” published
(June 2024)
Our first-principles studies proposing radial Rashba spin-orbit fields in twisted van der Waals heterostructures have been published in Physical Review B (external link, opens in a new window) and highlighted as Editors' Suggestion.
Our article “Link between supercurrent diode and anomalous Josephson effect revealed by gate-controlled interferometry” published
(May 2024)
Together with the experimental group of Prof. Dr. Christoph Strunk/Dr. Nicola Paradiso at UR, we unraveled a direct connection between the supercurrent diode and anomalous Josephson effects in InAs-based Josephson junctions.
Our latest results have been published in Nature Communications (external link, opens in a new window).
Our article “Emergent Correlated Phases in Rhombohedral Trilayer Graphene Induced by Proximity Spin-Orbit and Exchange Coupling” published
(May 2024)
In an international collaboration, we explored the ramifications of proximity-induced spin-orbit and exchange coupling on the appearance of correlated phases in rhombohedral trilayer graphene.
Our latest results have been published in Physical Review Letters (external link, opens in a new window).
Our article “Tuning proximity spin-orbit coupling in graphene/NbSe₂ heterostructures via twist angle” published
(April 2024)
In collaboration with colleagues from Kosice, we explored the tunability of the proximity-induced spin-orbit coupling in twisted graphene/NbSe2 heterostructures.
Our latest results have been published in Physical Review B (external link, opens in a new window).
Our preprint “Emergence of radial Rashba spin-orbit fields in twisted van der Waals heterostructures” published on arXiv
(February 2024)
From first-principles calculations, we proposed Rashba spin-orbit fields with radial symmetry that emerge in twisted van der Waals heterostructures.
Our latest results have been published in the preprint arXiv:2402.12353 (external link, opens in a new window).
Our preprint “Giant asymmetric proximity-induced spin-orbit coupling in twisted graphene/SnTe heterostructure” published on arXiv
(February 2024)
Together with colleagues from Slovakia and Poland, we demonstrated a giant asymmetry of the proximity-induced spin-orbit coupling in twisted graphene/SnTe heterostructures.
Our latest results have been published in the preprint arXiv:2402.09045 (external link, opens in a new window).
Our preprint “Tuning proximity spin-orbit coupling in graphene/NbSe₂ heterostructures via twist angle” published on arXiv
(February 2024)
In collaboration with colleagues from Kosice, we explored the tunability of the proximity-induced spin-orbit coupling in twisted graphene/NbSe2 heterostructures.
Our latest results have been published in the preprint arXiv:2402.07533 (external link, opens in a new window).