350 citations · 1k across the 29 of their papers we have counts for
29 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…
Layer controlled orbital selective Mott transition in monolayer nickelate
Byungmin Sohn, Minjae Kim, Sangjae Lee +14
Dimensionality and electronic correlations are crucial elements of many quantum material properties. An example is the change of the electronic structure accompanied by the loss of…
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…
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…
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…
Electronic Stripe Patterns Near the Fermi Level of Tetragonal Fe(Se,S)
M. Walker, K. Scott, T. J. Boyle +13
FeSeS remains one of the most enigmatic systems of Fe-based superconductors. While much is known about the orthorhombic parent compound, FeSe, the tetragonal samples, F…
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…
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…
Unveiling the underlying interactions in Ta2NiSe5 from photo-induced lifetime change
Denis Golez, Sydney K. Y. Dufresne, Min-Jae Kim +14
We present a generic procedure for quantifying the interplay of electronic and lattice degrees of freedom in photo-doped insulators through a comparative analysis of theoretical ma…
Fano interference of the Higgs mode in cuprate high-Tc superconductors
Hao Chu, Sergey Kovalev, Zi Xiao Wang +31
Despite decades of search for the pairing boson in cuprate high-Tc superconductors, its identity still remains debated to date. For this reason, spectroscopic signatures of electro…
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…
Physical properties and electronic structure of single-crystal KCoAs
D. J. Campbell, B. Wilfong, M. P. Zic +9
We present a method for producing high quality KCo2As2 crystals, stable in air and suitable for a variety of measurements. X-ray diffraction, magnetic susceptibility, electrical tr…
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…
Cavity-enhanced high harmonic generation for XUV time-resolved ARPES
A. K. Mills, S. Zhdanovich, M. X. Na +10
With its direct correspondence to electronic structure, angle-resolved photoemission spectroscopy (ARPES) is a ubiquitous tool for the study of solids. When extended to the tempora…
Direct determination of mode-projected electron-phonon coupling in the time-domain
MengXing Na, Arthur K. Mills, Fabio Boschini +12
Ultrafast spectroscopies have become an important tool for elucidating the microscopic description and dynamical properties of quantum materials. In particular, by tracking the dyn…