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Program Highlights for year 2014

Atomic Break Dancing in the World’s Thinnest Glass

Electron microscopy reveals the fundamental steps of bending

Cavitation in Block Copolymer Modified Epoxy Revealed by In Situ Small-Angle X-Ray Scattering

Addition of rubber particles to epoxy thermosets has been successful for toughening these brittle materials.

Intramolecular Exciton Transport in Conjugated Polymers

Using a series of acceptor-polymer-acceptor triads, IRG-2 investigators have measured intramolecular exciton diffusion in poly-3(hexylthiophene) (P3HT) for the first time.

Magnetic Charge Crystallization in Artificial Spin Ice

“Artificial spin ice” is a term used for arrays of nanoscale magnetic islands on lattices that geometrically frustrate inter-island interactions. 

Ligand-free Colloids and Surface Doping of Silicon Nanocrystals

Inks of inorganic nanocrystals hold great promise for printed electronics but the widely used organic surfactants (ligands) needed to stabilize these inks degrade the electrical quality of the printed films.

Kondo Physics at Ferromagnet/Normal Metal Interfaces

The idealized picture of an interface between two elemental materials is simply an abrupt transition between planes containing two different types of atoms.

Enhanced Refractive Index Sensing with Monodisperse Faceted Plasmonic Nanoparticles

The shape-dependent optical properties of metal nanostructures have motivated efforts to correlate nanoparticle structure with plasmonic behavior. In particular, gold bipyramids (BPs) are of interest due to their sharp tips that lead to strong localized field enhancement and high sensitivity to the surrounding

Northwestern MRSEC Partnerships Nucleate New Centers

Northwestern MRSEC provides the physical and intellectual infrastructure to nucleate collaborative opportunities in materials research both on and off the Northwestern campus, and continues to leverage its diverse portfolio of research into new educational and commercial opportunities. Recent examples include: