61 citations · 148 across the 9 of their papers we have counts for
9 papers
Nanoscopy of Excitons in Atomically Thin In-Plane Heterostructures with Nanointerfaces
Mahdi Ghafariasl, Tianyi Zhang, Sampath Gamage +8
Atomically sharp 2D in-plane heterostructures with nanoscale interfaces provide a powerful platform for tailoring optical and electrical properties at the nanoscale, enabling novel…
Infrared Nanoimaging of Hydrogenated Perovskite Nickelate Synaptic Devices
Sampath Gamage, Sukriti Manna, Marc Zajac +13
Solid-state devices made from correlated oxides such as perovskite nickelates are promising for neuromorphic computing by mimicking biological synaptic function. However, comprehen…
Photodegradation and Thermal Effects in Violet Phosphorus
Mahdi Ghafariasl, Sarabpreet Singh, Sampath Gamage +3
Violet phosphorus (VP) has garnered attention for its appealing physical properties and potential applications in optoelectronics. We present a comprehensive investigation of the p…
Substrate Induced van der Waals Force Effect on the Stability of Violet Phosphorous
Sarabpreet Singh, Mahdi Ghafariasl, Hsin-Yu Ko +4
The van der Waals (vdWs) forces between monolayers has been a unique distinguishing feature of exfoliable materials since the first isolation of graphene. However, the vdWs interac…
Redox-tunable structural colour images based on UV-patterned conducting polymers
Shangzhi Chen, Stefano Rossi, Ravi Shanker +9
Precise manipulation of light-matter interaction has enabled a wide variety of approaches to create bright and vivid structural colours. Techniques utilizing photonic crystals, Fab…
Near-field edge fringes at sharp material boundaries
Viktoriia E. Babicheva, Sampath Gamage, Mark I. Stockman +1
We have studied the formation of near-field fringes when sharp edges of materials are imaged using scattering-type scanning near-field optical microscope (s-SNOM). Materials we hav…
Near-field Surface Waves in Few-Layer MoS2
Viktoriia E. Babicheva, Sampath Gamage, Lee Zhen +3
Recently emerged layered transition metal dichalcogenides have attracted great interest due to their intriguing fundamental physical properties and potential applications in optoel…
Nanoscopy Reveals Metallic Black Phosphorus
Yohannes Abate, Sampath Gamage, Li Zhen +5
Layered and two-dimensional (2D) materials such as graphene, boron nitride, transition metal dichalcogenides(TMDCs), and black phosphorus (BP) have intriguing fundamental physical…
Control of plasmonic nanoantennas by reversible metal-insulator transition
Yohannes Abate, Robert E. Marvel, Jed I. Ziegler +4
Nanophotonic (nanoplasmonic) structures confine, guide, and concentrate light on the nanoscale. Advancement of nanophotonics critically depends on active nanoscale control of these…