User profiles for "author:Francesca Urban"

Francesca Urban

Drexel University
Verified email at drexel.edu
Cited by 1617

[HTML][HTML] Field emission from carbon nanostructures

F Giubileo, A Di Bartolomeo, L Iemmo, G Luongo… - Applied Sciences, 2018 - mdpi.com
Field emission electron sources in vacuum electronics are largely considered to achieve
faster response, higher efficiency and lower energy consumption in comparison with …

Asymmetric Schottky Contacts in Bilayer MoS2 Field Effect Transistors

A Di Bartolomeo, A Grillo, F Urban… - Advanced Functional …, 2018 - Wiley Online Library
The high‐bias electrical characteristics of back‐gated field‐effect transistors with chemical
vapor deposition synthesized bilayer MoS2 channel and Ti Schottky contacts are discussed …

A WSe 2 vertical field emission transistor

A Di Bartolomeo, F Urban, M Passacantando… - Nanoscale, 2019 - pubs.rsc.org
We report the first observation of a gate-controlled field emission current from a tungsten
diselenide (WSe2) monolayer, synthesized by chemical-vapour deposition on a SiO2/Si …

Pressure‐tunable ambipolar conduction and hysteresis in thin palladium diselenide field effect transistors

A Di Bartolomeo, A Pelella, X Liu, F Miao… - Advanced Functional …, 2019 - Wiley Online Library
Few‐layer palladium diselenide (PdSe2) field effect transistors are studied under external
stimuli such as electrical and optical fields, electron irradiation, and gas pressure. The …

Gas dependent hysteresis in MoS2 field effect transistors

F Urban, F Giubileo, A Grillo, L Iemmo, G Luongo… - 2D …, 2019 - iopscience.iop.org
We study the effect of electric stress, gas pressure and gas type on the hysteresis in the
transfer characteristics of monolayer molybdenum disulfide (MoS 2) field effect transistors …

Contact resistance and mobility in back-gate graphene transistors

F Urban, G Lupina, A Grillo, N Martucciello… - Nano …, 2020 - iopscience.iop.org
The metal-graphene contact resistance is one of the major limiting factors toward the
technological exploitation of graphene in electronic devices and sensors. High contact …

Topical 1% 5-fluorouracil in ocular surface squamous neoplasia: a long-term safety study

R Parrozzani, D Lazzarini, E Alemany-Rubio… - British journal of …, 2011 - bjo.bmj.com
Background/aims The aim of this study was to evaluate the long-term corneal toxicity of
topical chemotherapy with 1% 5-fluorouracil (5-FU) as a sole or adjuvant treatment of ocular …

Field Emission in Ultrathin PdSe2 Back‐Gated Transistors

A Di Bartolomeo, A Pelella, F Urban… - Advanced Electronic …, 2020 - Wiley Online Library
This study deals with the electrical transport in back‐gate field‐effect transistors with ultrathin
palladium diselenide (PdSe2) channels. The devices are normally‐on and exhibit dominant …

[HTML][HTML] Transport and Field Emission Properties of MoS2 Bilayers

F Urban, M Passacantando, F Giubileo, L Iemmo… - Nanomaterials, 2018 - mdpi.com
We report the electrical characterization and field emission properties of MoS 2 bilayers
deposited on a SiO 2/Si substrate. Current–voltage characteristics are measured in the back …

Electron Irradiation of Metal Contacts in Monolayer MoS2 Field-Effect Transistors

A Pelella, O Kharsah, A Grillo, F Urban… - … Applied Materials & …, 2020 - ACS Publications
Metal contacts play a fundamental role in nanoscale devices. In this work, Schottky metal
contacts in monolayer molybdenum disulfide (MoS2) field-effect transistors are investigated …