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Condensed Matter Seminars

ics Condensed Matter
Thursday, December 3, 2015
11:00 AM
Physics Building, Room 313
Prof. Chenggang Tao [Host: Utpal Chatterjee]
Virginia Tech
"Local probe investigation of interfaces in two-dimensional materials"
ABSTRACT:

Emerging two-dimensional (2D) materials, such as graphene and atomically thin transition metal dichalcogenides, have been the subject of intense research efforts for their fascinating properties and potential applications in future electronic and optical devices. The interfaces in these 2D materials, including domain boundaries and edges, strongly govern the electronic and magnetic behavior and can potentially host new states. On the other hand these interfaces are more susceptible to thermal fluctuation and external stimuli that enable mass displacement and generate disorder. In this talk I will present our scanning tunneling microscopy (STM) and spectroscopy (STS) explorations of edges of few layered MoS2 nanostructures with unique structural and electronic properties and show how step edges on TiSe2 surfaces change dynamically due to electrical fields. I will also discuss temperature evolution of quasi-1D C60 nanostructures on graphene.

To add a speaker, send an email to phys-speakers@Virginia.EDU. Please include the seminar type (e.g. Condensed Matter Seminars), date, name of the speaker, title of talk, and an abstract (if available).