Materials and Device Physics Aspects of Semiconductor Nanowires
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Date: 09-14-2005
Start Time:
4:00pm
End Time: 5:00pm
Speaker: Lars Samuelson
From:
Lund University
Location: Interschool Lab, 7th floor, Schapiro/CEPSR
Hosted by:
Center for Integrated Science
Abstract:
In this talk I will discuss growth of semiconductor nanowires based on epitaxial nucleation of nanowires from lithographically defined anoparticles, allowing arrays of position-and dimension-controlled nanowires to be formed. Of special interest for the use of nanowires in studies of low-dimensional physics and for applications in electronics and photonics is the opportunity to form designed and abrupt heterostructures in nanowires. I will give examples of our studies of electrical and optical properties of nanowire structures as well as devices implemented in this technology, for instance in single-electronics, resonant tunneling and in storage applications. I will conclude with examples of new opportunities offered by nanowires, e.g. for formation of nanowire networks and for interfacing with neural systems.