369 citations · 1.9k across the 42 of their papers we have counts for
44 papers
Colossal orbital Zeeman effect driven by tunable spin-Berry curvature in a kagome metal
Hong Li, Siyu Cheng, Ganesh Pokharel +8
Berry phase and the related concept of Berry curvature can give rise to many unconventional phenomena in solids. In this work, we discover colossal orbital Zeeman effect of topolog…
Phonon-Mediated Quasiparticle Lifetime Renormalizations in Few-Layer Hexagonal Boron Nitride
Håkon I. Røst, Simon P. Cooil, Anna Cecilie Åsland +9
Understanding the collective behavior of the quasiparticles in solid-state systems underpins the field of non-volatile electronics, including the opportunity to control many-body e…
Observation of termination-dependent topological connectivity in a magnetic Weyl kagome-lattice
Federico Mazzola, Stefan Enzner, Philipp Eck +20
Engineering surfaces and interfaces of materials promises great potential in the field of heterostructures and quantum matter designer, with the opportunity of driving new many-bod…
The electronic structure of intertwined kagome, honeycomb, and triangular sublattices of the intermetallics MCoAl
Chiara Bigi, Sahar Pakdel, Michał J. Winiarski +10
Intermetallics are an important playground to stabilize a large variety of physical phenomena, arising from their complex crystal structure. The ease of their chemical tuneabilty m…
Flat band separation and robust spin-Berry curvature in bilayer kagome metals
Domenico Di Sante, Chiara Bigi, Philipp Eck +16
Kagome materials have emerged as a setting for emergent electronic phenomena that encompass different aspects of symmetry and topology. It is debated whether the XVSn kagom…
Anisotropic hybridization probed by polarization dependent x-ray absorption spectroscopy in VI3 van der Waals Mott ferromagnet
R. Sant, A. De Vita, V. Polewczyk +6
Polarization dependent x-ray absorption spectroscopy was used to study the magnetic ground state and the orbital occupation in bulk-phase VI van der Waals crystals below and ab…
Unveiling the electronic structure of pseudo-tetragonal WO thin films
F. Mazzola, H. Hassani, D. Amoroso +11
WO is a binary 5d compound which has attracted remarkable attention due to the vast array of structural transitions that it undergoes in its bulk form. In the bulk, a wide rang…
Covalency, correlations, and inter-layer interactions governing the magnetic and electronic structure of MnSiTe
Chiara Bigi, Lei Qiao, Chao Liu +16
MnSiTe is a rare example of a layered ferrimagnet. It has recently been shown to host a colossal angular magnetoresistance as the spin orientation is rotated from the i…
Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals
Siyu Cheng, Zheng Ren, Hong Li +23
Charge density waves (CDWs) have been tied to a number of unusual phenomena in kagome metals, including rotation symmetry breaking, time-reversal symmetry breaking and superconduct…
Dynamics and Resilience of the Charge Density Wave in a bilayer kagome metal
Manuel Tuniz, Armando Consiglio, Denny Puntel +22
Long-range electronic order descending from a metallic parent state constitutes a rich playground to study the intricate interplay of structural and electronic degrees of freedom.…
Discovery of a magnetic Dirac system with large intrinsic non-linear Hall effect
Federico Mazzola, Barun Ghosh, Jun Fujii +9
Magnetic materials exhibiting topological Dirac fermions are attracting significant attention for their promising technological potential in spintronics. In these systems, the comb…
Disentangling Electron-Boson Interactions on the Surface of a Familiar Ferromagnet
Håkon I. Røst, Federico Mazzola, Johannes Bakkelund +5
We report energy renormalizations from electron-phonon and electron-magnon interactions in spin minority surface resonances on Ni(111). The different interactions are identified, d…
One-Dimensional Spin-Polarised Surface States -- A Comparison of Bi(112) with Other Vicinal Bismuth Surfaces
Anna Cecilie Åsland, Johannes Bakkelund, Even Thingstad +8
Vicinal surfaces of bismuth are unique test-beds for investigating one-dimensional (1D) spin-polarised surface states that may one day be used in spintronic devices. In this work,…
Parallel spin-momentum locking in a chiral topological semimetal
Jonas A. Krieger, Samuel Stolz, Inigo Robredo +23
Spin-momentum locking in solids describes a directional relationship between the electron's spin angular momentum and its linear momentum over the entire Fermi surface. While ortho…
Disentangling structural and electronic properties in VO thin films: a genuine non-symmetry breaking Mott transition
Federico Mazzola, Sandeep Kumar Chaluvadi, Vincent Polewczyk +10
Phase transitions are key in determining and controlling the quantum properties of correlated materials. Here, by using the powerful combination of precise material synthesis and a…
Tuneable electron-magnon coupling of ferromagnetic surface states in PdCoO
Federico Mazzola, Chi-Ming Yim, Veronika Sunko +11
Controlling spin wave excitations in magnetic materials underpins the burgeoning field of magnonics. Yet, little is known about how magnons interact with the conduction electrons o…
Tomographic mapping of the hidden dimension in quasi-particle interference
C. A. Marques, M. S. Bahramy, C. Trainer +7
Quasiparticle interference (QPI) imaging is well established to study the low-energy electronic structure in strongly correlated electron materials with unrivalled energy resolutio…
Changes of Fermi Surface Topology due to the Rhombohedral Distortion in SnTe
Christopher D. O'Neill, Oliver J. Clark, Harry D. J. Keen +7
Stoichiometric SnTe is theoretically a small gap semiconductor that undergoes a ferroelectric distortion on cooling. In reality however, crystals are always non-stoichiometric and…
Electronically driven spin-reorientation transition of the correlated polar metal CaRuO
I. Marković, M. D. Watson, O. J. Clark +11
Polar distortions in solids give rise to the well-known functionality of switchable macroscopic polarisation in ferroelectrics and, when combined with strong spin-orbit coupling, c…
Direct observation of the energy gain underpinning ferromagnetic superexchange in the electronic structure of CrGeTe
Matthew D. Watson, Igor Marković, Federico Mazzola +12
We investigate the temperature-dependent electronic structure of the van der Waals ferromagnet, CrGeTe. Using angle-resolved photoemission spectroscopy, we identify atomic- and…
Weyl-like points from band inversions of spin-polarised surface states in NbGeSb
I. Marković, C. A. Hooley, O. J. Clark +16
Band inversions are key to stabilising a variety of novel electronic states in solids, from topological surface states in inverted bulk band gaps of topological insulators to the f…
Morphology Control of Epitaxial Monolayer Transition Metal Dichalcogenides
Akhil Rajan, Kaycee Underwood, Federico Mazzola +1
To advance fundamental understanding, and ultimate application, of transition-metal dichalcogenide (TMD) monolayers, it is essential to develop capabilities for the synthesis of hi…
Proximity-induced ferromagnetism and chemical reactivity in few layers VSe2 heterostructures
G. Vinai, C. Bigi, A. Rajan +11
Among Transition-Metal Dichalcogenides, mono and few-layers thick VSe2 has gained much recent attention following claims of intrinsic room-temperature ferromagnetism in this system…
The Sub-band Structure of Atomically Sharp Dopant Profiles in Silicon
Federico Mazzola, Chin-Yi Chen, Rajib Rahman +7
The downscaling of silicon-based structures and proto-devices has now reached the single atom scale, representing an important milestone for the development of a silicon-based quan…