109 citations · 885 across the 35 of their papers we have counts for
32 papers
Isolating Exciton Dissociation Pathways in ReSe
Bradley G. Guislain, Rysa Greenwood, Matteo Michiardi +13
Strongly bound excitons dominate the optical response in many van der Waals semiconductors, yet distinguishing between the different microscopic processes governing exciton dissoci…
Direct Fabrication of a Superconducting Two-Dimensional Electron Gas on KTaO3(111) via Mg-Induced Surface Reduction
Chun Sum Brian Pang, Bruce A. Davidson, Fengmiao Li +16
Two-dimensional electron gases (2DEGs) at the surfaces of KTaO3 have become an exciting platform for exploring strong spin-orbit coupling, Rashba physics, and low-carrier-density s…
A simulation-based training framework for machine-learning applications in ARPES
MengXing Na, Chris Zhou, Sydney K. Y. Dufresne +2
In recent years, angle-resolved photoemission spectroscopy (ARPES) has advanced significantly in its ability to probe more observables and simultaneously generate multi-dimensional…
Quenching of excitons at grain boundaries in C60 thin films
Rysa Greenwood, Bradley G. Guislain, MengXing Na +12
Exciton lifetimes play a critical role in the performance of organic optoelectronic devices. In this work, we investigate how the presence of multiple rotational domains, and there…
Control of intervalley scattering in BiTe via temperature-dependent band renormalization
A. Jabed, F. Goto, B. Frimpong +11
The control of out-of-equilibrium electron dynamics in topological insulators is essential to unlock their potential in next-generation quantum technologies. However, the role of t…
Coherence and pairing enhancement in a trilayer cuprate with layer-selective charge order
S. Smit, M. Bluschke, P. Moen +26
Trilayer cuprates hold the record for the highest superconducting critical temperatures (), yet the underlying mechanism remains elusive. Using time- and angle-resolv…
Selective electron-phonon coupling strength from nonequilibrium optical spectroscopy: The case of MgB
S. Mor, F. Boschini, E. Razzoli +9
The coupling between quasiparticles and bosonic excitations rules the energy transfer pathways in condensed matter systems. The possibility of inferring the strength of specific co…
Universal electronic structure of multi-layered nickelates via oxygen-centered planar orbitals
Christine C. Au-Yeung, X. Chen, S. Smit +17
Superconductivity has been demonstrated in the family of multi-layered nickelates LaNiO and LaNiO. Key questions remain open regarding the low-energy ele…
Flat Band Generation through Interlayer Geometric Frustration in Intercalated Transition Metal Dichalcogenides
Yawen Peng, Ren He, Peng Li +6
Electronic flat bands can lead to rich many-body quantum phases by quenching the electron's kinetic energy and enhancing many-body correlation. The reduced bandwidth can be realize…
Electronic switching of topology in LaSbTe
J. Bannies, M. Michiardi, H. -H. Kung +9
In the past two decades, various classes of topological materials have been discovered, yet the deliberate control of topology in a single material remains largely unexplored. Here…
Two-stage growth for highly ordered epitaxial C films on Au(111)
Alexandra B. Tully, Rysa Greenwood, MengXing Na +13
As an organic semiconductor and a prototypical acceptor molecule in organic photovoltaics, C has broad relevance to the world of organic thin film electronics. Although high…
Kink in cuprates: the role of the low-energy density of states
E. Razzoli, F. Boschini, M. Zonno +14
The 40-70 meV band-structure renormalization (so-called kink) in high-temperature cuprate superconductors - which has been mainly interpreted in terms of electron-boson coupling -…
A versatile laser-based apparatus for time-resolved ARPES with micro-scale spatial resolution
Sydney K. Y. Dufresne, Sergey Zhdanovich, Matteo Michiardi +8
We present the development of a versatile apparatus for a 6.2 eV laser-based time and angle-resolved photoemission spectroscopy with micrometer spatial resolution (time-resolved $μ…
Mixed-valence state in the dilute-impurity regime of La-substituted SmB
Marta Zonno, Matteo Michiardi, Fabio Boschini +11
Homogeneous mixed-valence (MV) behaviour is one of the most intriguing phenomena of -electron systems. Despite extensive efforts, a fundamental aspect which remains unsettled is…
Comparative Electronic Structures of the Chiral Helimagnets Cr1/3NbS2 and Cr1/3TaS2
Lilia S. Xie, Oscar Gonzalez, Kejun Li +16
Magnetic materials with noncollinear spin textures are promising for spintronic applications. To realize practical devices, control over the length and energy scales of such spin t…
Spectral Evidence for Unidirectional Charge Density Wave in Detwinned BaNiAs
Yucheng Guo, Mason Klemm, Ji Seop Oh +16
The emergence of unconventional superconductivity in proximity to intertwined electronic orders is especially relevant in the case of iron-based superconductors. Such order consist…
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…
Triggering a global density wave instability in graphene via local symmetry-breaking
Amy C. Qu, Pascal Nigge, Stefan Link +9
Two-dimensional quantum materials offer a robust platform for investigating the emergence of symmetry-broken ordered phases owing to the high tuneability of their electronic proper…
Correlation-Driven Electronic Reconstruction in FeTeSe
Jianwei Huang, Rong Yu, Zhijun Xu +21
Electronic correlation is of fundamental importance to high temperature superconductivity. While the low energy electronic states in cuprates are dominantly affected by correlation…
Optical manipulation of Rashba-split 2-Dimensional Electron Gas
M. Michiardi, F. Boschini, H. -H. Kung +11
In spintronic devices, the two main approaches to actively control the electrons' spin degree of freedom involve either static magnetic or electric fields. An alternative avenue re…
Extremely large magnetoresistance from electron-hole compensation in the nodal loop semimetal ZrP
J. Bannies, E. Razzoli, M. Michiardi +10
Several early transition metal dipnictides have been found to host topological semimetal states and exhibit large magnetoresistance. In this study, we use angle-resolved photoemiss…
Dynamic electron correlations with charge order wavelength along all directions in the copper oxide plane
F. Boschini, M. Minola, R. Sutarto +18
In strongly correlated systems the strength of Coulomb interactions between electrons, relative to their kinetic energy, plays a central role in determining their emergent quantum…
Ubiquitous suppression of the nodal coherent spectral weight in Bi-based cuprates
M. Zonno, F. Boschini, E. Razzoli +21
High-temperature superconducting cuprates exhibit an intriguing phenomenology for the low-energy elementary excitations. In particular, an unconventional temperature dependence of…
Establishing non-thermal regimes in pump-probe electron-relaxation dynamics
MengXing Na, Fabio Boschini, Arthur K. Mills +8
Time- and angle-resolved photoemission spectroscopy (TR-ARPES) accesses the electronic structure of solids under optical excitation, and is a powerful technique for studying the co…