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Ultrafast Studies of Hot-Hole Dynamics in Au/p-GaN Heterostructures
Giulia Tagliabue, Joseph S. DuChene, Mohamed Abdellah +9
Harvesting non-equilibrium hot carriers from photo-excited metal nanoparticles has enabled plasmon-driven photochemical transformations and tunable photodetection with resonant nan…
Dynamics and Spin-Valley Locking Effects in Monolayer Transition Metal Dichalcogenides
Christopher J. Ciccarino, Thomas Christensen, Ravishankar Sundararaman +1
Transition metal dichalcogenides have been the primary materials of interest in the field of valleytronics for their potential in information storage, yet the limiting factor has b…
Plasmonics in Argentene
Ravishankar Sundararaman, Thomas Christensen, Yuan Ping +4
Two-dimensional materials exhibit a fascinating range of electronic and photonic properties vital for nanophotonics, quantum optics and emerging quantum information technologies. M…
Electron mobility in graphene without invoking the Dirac equation
Chaitanya K. Ullal, Jian Shi, Ravishankar Sundararaman
The Dirac point and linear band structure in Graphene bestow it with remarkable electronic and optical properties, a subject of intense ongoing research. Explanations of high elect…
Microscopic Origins of Hydrodynamic Transport in Type-II Weyl Semimetal WP
Jennifer Coulter, Ravishankar Sundararaman, Prineha Narang
The origins of hydrodynamic transport in strongly interacting Dirac and Weyl semimetals have remained elusive in theoretical descriptions and experimental measurements. We investig…
Hot carrier dynamics in plasmonic transition metal nitrides
Adela Habib, Fred Florio, Ravishankar Sundararaman
Extraction of non-equilibrium hot carriers generated by plasmon decay in metallic nanostructures is an increasingly exciting prospect for utilizing plasmonic losses, but the search…
Improving Accuracy of Electrochemical Capacitance and Solvation Energetics in First-Principles Calculations
Ravishankar Sundararaman, Kendra Letchworth-Weaver, Kathleen Schwarz
Reliable first-principles calculations of electrochemical processes require accurate prediction of the interfacial capacitance, a challenge for current computationally-efficient co…