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Surface-dominated conductance scaling in Weyl semimetal NbAs
Sushant Kumar, Yi-Hsin Tu, Luo Sheng +6
Protected surface states arising from non-trivial bandstructure topology in semimetals can potentially enable new device functionalities in compute, memory, interconnect, sensing,…
How Spin Relaxes and Dephases in Bulk Halide Perovskites
Junqing Xu, Kejun Li, Uyen N. Huynh +4
Spintronics in halide perovskites has drawn significant attention in recent years, due to highly tunable spin-orbit fields and intriguing interplay with lattice symmetry. Spin life…
Topological Metal MoP Nanowire for Interconnect
Hyeuk Jin Han, Sushant Kumar, Xiaoyang Ji +9
The increasing resistance of Cu interconnects for decreasing dimensions is a major challenge in continued downscaling of integrated circuits beyond the 7-nm technology node as it l…
Fermi surface anisotropy in plasmonic metals increases the potential for efficient hot carrier extraction
Sushant Kumar, Christian Multunas, Ravishankar Sundararaman
Realizing the potential of plasmonic hot carrier harvesting for energy conversion and photodetection requires new materials that resolve the bottleneck of extracting carriers prior…
Ultralow Electron-Surface Scattering in Nanoscale Metals Leveraging Fermi Surface Anisotropy
Sushant Kumar, Christian Multunas, Benjamin Defay +2
Increasing resistivity of metal wires with reducing nanoscale dimensions is a major performance bottleneck of semiconductor computing technologies. We show that metals with suitabl…
Interfacial water asymmetry at ideal electrochemical interfaces
Abhishek Shandilya, Kathleen Schwarz, Ravishankar Sundararaman
Controlling electrochemical reactivity requires a detailed understanding of the charging behavior and thermodynamics of the electrochemical interface. Experiments can independently…