381 citations · 740 across the 6 of their papers we have counts for
7 papers
Tunable Doping and Mobility Enhancement in 2D Channel Field-Effect Transistors via Damage-Free Atomic Layer Deposition of AlOX Dielectrics
Ardeshir Esteki, Sarah Riazimehr, Agata Piacentini +14
Two-dimensional materials (2DMs) have been widely investigated because of their potential for heterogeneous integration with modern electronics. However, several major challenges r…
Capacitance-Voltage (C-V) Characterization of Graphene-Silicon Heterojunction Photodiodes
Sarah Riazimehr, Melkamu Belete, Satender Kataria +2
Heterostructures of two-dimensional (2D) and three-dimensional (3D) materials form efficient devices for utilizing the properties of both classes of materials. Graphene/silicon (G/…
High Responsivity and Quantum Efficiency of Graphene / Silicon Photodiodes Achieved by Interdigitating Schottky and Gated Regions
Sarah Riazimehr, Satender Kataria, Jose-Maria González-Medina +6
Graphene / silicon (G/Si) heterostructures have been studied extensively in the past years for applications such as photodiodes, photodetectors and solar cells, with a growing focu…
High Photocurrent in Gated Graphene-Silicon Hybrid Photodiodes
Sarah Riazimehr, Satender Kataria, Rainer Bornemann +5
Graphene/silicon (G/Si) heterojunction based devices have been demonstrated as high responsivity photodetectors that are potentially compatible with semiconductor technology. Such…
High-performance hybrid electronic devices from layered PtSe2 films grown at low temperature
Chanyoung Yim, Kangho Lee, Niall McEvoy +8
Layered two-dimensional (2D) materials display great potential for a range of applications, particularly in electronics. We report the large-scale synthesis of thin films of platin…
Spectral Sensitivity of Graphene/Silicon Heterojunction Photodetectors
Sarah Riazimehr, Andreas Bablich, Daniel Schneider +5
We have studied the optical properties of two-dimensional (2D) Schottky photodiode heterojunctions made of chemical vapor deposited (CVD) graphene on n- and p-type Silicon (Si) sub…
Heterojunction Hybrid Devices from Vapor Phase Grown MoS
Chanyoung Yim, Maria O`Brien, Niall McEvoy +9
We investigate a vertically-stacked hybrid photodiode consisting of a thin n-type molybdenum disulfide (MoS) layer transferred onto p-type silicon. The fabrication is scalabl…