149 citations · 220 across the 22 of their papers we have counts for
22 papers
Quantized Photocurrents in Gapless Topological Matter
Byunghoon Kim, Tenzin Norden, Mohammad Yahyavi +17
The quantum Hall effect establishes that topology can fix a material response to integer multiples of fundamental constants when an energy gap isolates the relevant symmetry-protec…
Anharmonic lattice dynamics and superconductivity in strained bulk and surface niobium
Mihir Ranjan Sahoo, Roman Lucrezi, Pedro Nunes Ferreira +5
Using first-principles calculations, we investigate how homogeneous strain and crystallographic surface orientation modify the vibrational and superconducting properties of niobium…
Fast Real-Axis Eliashberg Calculations: Full-bandwidth solutions beyond the constant density of states approximation
Alejandro Simon, James Shi, Dominik Spath +10
Experimentally relevant signatures of superconductivity require access to real-frequency quantities, such as the spectral functions, optical response, and transport properties, yet…
Ultrafast dynamics and light-induced superconductivity from first principles
Alejandro Simon, James Shi, Eva Kogler +9
Experiments on superconducting materials have unveiled unique emergent properties when they are driven far from equilibrium. However, a quantitative first-principles treatment that…
Ambient-pressure 151-K superconductivity in HgBa2Ca2Cu3O8+δ via pressure quench
Liangzi Deng, Thacien Habamahoro, Artin Safezoddeh +10
Superconductivity has been a vigorously researched topic since its discovery in 1911. Raising the superconducting transition temperature (Tc) has been the main driving force behind…
Inverse Isotope Effect in the Ternary Perovskite Hydride SrPdH/D: A Signature of Quantum Zero-Point Fluctuations
Wencheng Lu, Mihir Sahoo, Roman Lucrezi +9
Guided by first-principles calculations, we demonstrate superconductivity in the ternary perovskite hydride SrPdH, synthesized at low pressure. Structural characterization…
High-pressure stabilization of Mg2IrH7: Structural proximity to high-Tc superconductivity
Shubham Sinha, Wencheng Lu, Mads F. Hansen +14
MgIrH is a metastable complex metal hydride with a predicted superconducting transition temperature as high as 170 K at ambient pressure. Following the synthesis of isomorp…
Polar enhancement of optical nonlinearities and domain-driven second harmonic contrast in bismuth telluro-halide van der Waals crystals
Kevin W. C. Kwock, Tenzin Norden, Thomas P. Darlington +11
The BiTeX family of polar van der Waals (vdW) semiconductors offers a unique platform for exploring the interplay between polar crystalline structure and nonlinear optical phenomen…
First-principles evidence for conventional superconductivity in a quasicrystal approximant
Pedro N. Ferreira, Roman Lucrezi, Sangmin Lee +7
Quasicrystals (QCs) host long-range order without translational symmetry, a regime in which the very foundations of BCS theory are not straightforwardly applicable, yet experiments…
Single layer clathrane: A potential superconducting two-dimensional (2D) hydrogenated metal borocarbide
Xiaoyu Wang, Warren E. Pickett, Matthew N. Julian +2
We propose a new family of two-dimensional (2D) metal-borocarbide clathrane superconductors, derived from three-dimensional (3D) MMBC clathrates. First-principles…
Vacancy-free cubic superconducting NbN enabled by quantum anharmonicity
Eva Kogler, Mihir R. Sahoo, Chia-Nien Tsai +10
Niobium nitride (NbN) is renowned for its exceptional mechanical, electronic, magnetic, and superconducting properties. The ideal 1:1 stoichiometric -NbN cubic phase, however, i…
Prediction and Synthesis of MgPtH: A Metallic Complex Transition Metal Hydride Stabilized at Ambient Pressure
Wencheng Lu, Michael J. Hutcheon, Mads F. Hansen +13
The low-pressure stabilization of superconducting hydrides with high critical temperatures (s) remains a significant challenge, and experimentally verified superconducting hyd…
Creation, stabilization, and study at ambient pressure of pressure-induced superconductivity in BiSbTe
Liangzi Deng, Busheng Wang, Clayton Halbert +13
In light of breakthroughs in superconductivity under high pressure, and considering that record critical temperatures (Ts) across various systems have been achieved under high…
Why MgIrH is predicted to be a high temperature superconductor, but CaIrH is not
Xiaoyu Wang, Warren Pickett, Micheal Hutcheon +2
The XMH family, consisting of an electropositive cation X and a main group metal M octahedrally coordinated by hydrogen, has been predicted to hold promise for high-tempera…
Synthesis of MgIrH: A potential pathway to high- hydride superconductivity at ambient pressure
Mads F. Hansen, Lewis J. Conway, Kapildeb Dolui +7
Following long-standing predictions associated with hydrogen, high-temperature superconductivity has recently been observed in several hydride-based materials. Nevertheless, these…
Computationally efficient method for calculating electron-phonon coupling for high-throughput superconductivity search
Oliver A. Dicks, Kateryna Foyevtsova, Ilya Elfimov +2
Using a computationally inexpensive frozen phonon approach we have developed a technique which can be used to screen large unit cell materials and systems for enhanced superconduct…
Twisted nonlinear optics in monolayer van der Waals crystals
Tenzin Norden, Luis M. Martinez, Nehan Tarefder +13
In addition to a plethora of emergent phenomena, the spatial topology of optical vortices enables an array of applications spanning communications to quantum photonics. Nonlinear o…
Machine learning assisted prediction of organic salt structure properties
Ethan P. Shapera, Dejan-Krešimir Bučar, Rohit P. Prasankumar +1
We demonstrate a machine learning-based approach which predicts the properties of crystal structures following relaxation based on the unrelaxed structure. Use of crystal graph sin…
Feasible route to high-temperature ambient-pressure hydride superconductivity
Kapildeb Dolui, Lewis J. Conway, Christoph Heil +3
A key challenge in materials discovery is to find high-temperature superconductors. Hydrogen and hydride materials have long been considered promising materials displaying conventi…
Theoretical study of high harmonic generation in monolayer NbSe
Daniel A. Rehn, Towfiq Ahmed, Jinkyoung Yoo +2
High harmonic generation (HHG) is a powerful probe of electron dynamics on attosecond to femtosecond timescales and has been successfully used to detect electronic and structural c…
Coherent Spin-Phonon Coupling in the Layered Ferrimagnet Mn3Si2Te6
L. M. Martinez, Y. Liu, C. Petrovic +9
We utilize ultrafast photoexcitation to drive coherent lattice oscillations in the layered ferrimagnetic crystal Mn3Si2Te6, which significantly stiffen below the magnetic ordering…
Coherent Helicity-Dependent Spin-Phonon Oscillations in the Ferromagnetic van der Waals Crystal CrI3
P. Padmanabhan, F. L. Buessen, R. Tutchton +9
The discovery of two-dimensional (2D) systems hosting intrinsic long-range magnetic order represents a seminal addition to the rich physical landscape of van der Waals (vdW) materi…