Skip to main content
Upcoming Events:
Dr. Filippo Giubileo

Dr. Filippo Giubileo

Date & Time:
   Add All to Calendar
Location:

Join Zoom Meeting

Meeting ID: 913 2574 9564
Passcode: 136794

Event Contact:

Dr. Ray LaPierre

This talk will present the main experimental results obtained on various nanostructures, either one- or two-dimensional, used in field emitters and field-effect transistors.

Overview

Dr. Filippo Giubileo, Senior Researcher at the Institute for Superconductors, Innovative Materials and Devices (SPIN) of the Italian National Research Council (CNR).

Exploitation of one-dimensional and two-dimensional nanostructures as field emitters and field-effect transistors..

Abstract:

Field emission (FE) is a macroscopic quantum phenomenon according to which electrons can escape from a metallic or semiconducting surface by tunneling through the potential barrier at the vacuum interface under the application of a high electric field. Indeed, the electric field reduces the potential barrier (making it triangular, lower and thinner) so that tunneling can happen for electric fields of the order of 104 V/µm.

Nanostructures, for their high aspect ratio that enables enhancement of the local electric field, are the best candidates as field emitters. Consequently, with the advent of nanotechnology, FE has attracted growing attention towards the development of electron sources, flat panel displays, etc.

In this talk, I will summarize the main experimental results obtained on various nanostructures, either one- or two-dimensional. Moreover, I will discuss the electronic properties of field-effect transistors realized by using two-dimensional transition metal dichalcogenides as conduction channel in a standard back-gate configuration.

Biography:

Filippo Giubileo currently works as Senior Researcher at the Institute for Superconductors, Innovative Materials and Devices (SPIN) of the Italian National Research Council (CNR), since 2004. He has the National Scientific Qualification as Full Professor in Experimental Condensed Matter Physics.  His research activity deals with electrical properties of 1D and 2D nanomaterials and their application as field effect transistors, photodetectors, chemical sensors, and field emitters. His expertise includes advanced surface analysis on nanometer scale by scanning probe microscopy/spectroscopy in high magnetic field and variable temperatures. FG also works in the field of superconductivity, mostly on what concerns interface phenomena, proximity effect, symmetry of the superconducting order parameters, and tunneling spectroscopy. FG has published more than 100 papers in peer-reviewed journals. He was Chair-Organizer for several international conferences (ISMN08, SM-2010, S4E-2014, GM-2016, TTN-2018, NANO M&D-2019). He serves as member of editorial board for international journals (Nanomaterials, Nano Express, Journal of Nanomaterials, Chemosensors). FG has participated in several international conferences as keynote or invited speaker.