79 citations · 469 across the 23 of their papers we have counts for
13 papers · 1 filter
Uncovering surface states of the Dirac semimetal BaMg2Bi2
A. De Vita, J. Bakkelund, H. Świątek +13
BaMg2Bi2 is a Dirac semimetal characterized by a simple Dirac cone crossing the Fermi level at the center of the Brillouin zone, protected by C3 rotational symmetry. Together with…
Discovery of magnetic-field-tunable density waves in a layered altermagnet
Christopher Candelora, Muxian Xu, Siyu Cheng +11
Altermagnets recently came into the spotlight as a new class of magnetic materials, arising as a consequence of specific crystal symmetries. They are characterized by a spin-polari…
Anomalous spin-optical helical effect in Ti-based kagome metal
Federico Mazzola, Wojciech Brzezicki, Chiara Bigi +32
The kagome lattice stands as a rich platform for hosting a wide array of correlated quantum phenomena, ranging from charge density waves and superconductivity to electron nematicit…
Robust spin splitting and fermiology in a layered altermagnet
Alessandro De Vita, Chiara Bigi, Davide Romanin +42
Altermagnetism defies conventional classifications of collinear magnetic phases, standing apart from ferromagnetism and antiferromagnetism with its unique combination of spin-depen…
Bilayer orthogonal ferromagnetism in CrTe-based van der Waals system
Chiara Bigi, Cyriack Jego, Vincent Polewczyk +19
Systems with pronounced spin anisotropy play a pivotal role in advancing magnetization switching and spin-wave generation mechanisms, which are fundamental for spintronic technolog…
Pomeranchuk instability from electronic correlations in CsTiBi kagome metal
Chiara Bigi, Matteo Dürrnagel, Lennart Klebl +19
Among many-body instabilities in correlated quantum systems, electronic nematicity, defined by the spontaneous breaking of rotational symmetry, has emerged as a critical phenomenon…
Signatures of a surface spin-orbital chiral metal
Federico Mazzola, Wojciech Brzezicki, Maria Teresa Mercaldo +20
The relation between crystal symmetries, electron correlations, and electronic structure steers the formation of a large array of unconventional phases of matter, including magneto…
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…
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.…
Constraints on the two-dimensional pseudo-spin 1/2 Mott insulator description of SrIrO
Berend Zwartsenberg, Ryan P. Day, Elia Razzoli +10
SrIrO has often been described via a simple, one-band pseudo-spin 1/2 model, subject to electron-electron interactions, on a square lattice, fostering analogies with cu…
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…