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Program Highlights for year 2013

Organic topological insulators in organometallic Lattices

Discovery: A class of 2D covalent organic framework made of triphenyl- metal compounds are found to be topological insulators exhibiting robust nontrivial topological edge states.

Approach: Predictive First-principles band structure and band topology calculations.

Two views of how Information is transmitted through a material

In our system, a colloidal particle (upper left (a), red)  is trapped by optical tweezers (upper left (b)) as a surrounding colloidal suspension flows past.  Surprisingly, long range order develops in the particle density (lower left, dark bands are regions with over-representation of particles, sigma is the particle diameter).

Self-Assembled Nano-Drums

Using the expertise in nanoparticle synthesis and assembly built up in IRG 3, a MRSEC team comprised of members of the Jaeger and Talapin groups collaborated with Xiao-Min Lin and Jeffrey Guest at Argonne’s Center for Nanoscale Materials and John Sader from the University of Melbourne to develop the first completely self-assembled nano-mechanical resonator.

Mechanical Writing of Polarization

Ferroelectrics comprise an important group of materials, which are characterized by a permanent electric polarization. This polarization can be switched which provides a possibility of using ferroelectrics in data storage and memory devices. Typically, polarization is switched by the application of the external electric field. Nebraska MRSEC researchers

Nebraska MRSEC Professor/Student Pairs Program

The Nebraska MRSEC Professor/Student Pairs Program brings in a professor and a student from non-research intensive four-year institutions to conduct research with Nebraska MRSEC scientists. The goal is to offer a research experience which benefits both the participants and the MRSEC projects.

Ordering Nanoscale Dots with Molecular Honeycombs

Designable Porous Organic Networks Represent A New Strategy for Nanoparticle Assembly

Launching Student Interest in Science

Scientists design experiments to increase excitement K-12 science education