Thursday, December 3, 2015 - 4:00pm to 5:00pm  ·  Colloquium
De Joshua A. Robinson of The Pennsylvania State University

Abstract:  The last decade has seen nearly exponential growth in the science and technology of two-dimensional materials. Beyond graphene, there is a huge variety of layered materials that range in properties from insulating to superconducting. Furthermore, heterogeneous stacking of 2D materials also allows for additional “dimensionality” for band structure engineering. In this talk, I will discuss recent breakthroughs in two-dimensional atomic layer synthesis and properties, including novel 2D heterostructures and novel 2D nitrides.

Friday, November 20, 2015 - 4:00pm to 5:00pm  ·  Colloquium
Darius Torchinsky

Abstract: Essential to a microscopic understanding of strongly correlated materials is a clear picture of the relationship between their myriad quantum ground states. However, in phenomena ranging from unconventional magnetism to high temperature superconductivity, this picture is often obscured by the presence of broken symmetries hidden from view of existing experimental techniques. This may include hidden structural symmetries or tensor order parameters representing complex spatial arrangements of multipolar electric and magnetic moments.

Tuesday, March 3, 2015 - 1:00pm to 2:00pm  ·  Colloquium
Dr. Jairo Velasco Jr., University of California at Berkeley

Abstract: Graphene, a two-dimensional single atomic layer of carbon, has stimulated substantial interest because it is a rich model system for scientific exploration and a promising candidate for future electronics. I will discuss my studies on graphene-based transistors, which lead to the realization of new physical phenomena that is relevant for fundamental science and new device applications. The first part of my talk will focus on electron transport measurements of devices comprised of graphene bilayers.