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Program Highlights for year 2010

CRISP Professional Development Workshops

The goal of CRISP professional development workshops is to improve the quality and diversity of STEM education for science teachers in neighboring urban school districts. CRISP offers inquiry-based workshops which utilize CRISP specialized research facilities to emphasize the interdisciplinary nature of materials science and nanotechnology.

Creating new devices using oxide materials

The unique properties of transition metal oxides allow electrons to be manipulated in new ways. At CRISP, we have created an oxide device that enables a gas of electrons to be expanded or compressed with an applied electric field. The expansion or compression of the gas modulates the speed of moving electrons.

What does soft matter physics have to do with bird feathers?

Many species of birds have feathers with colors that are the result of light scattering from a disordered arrangement of nanoscale air spheres. The feathers appear to be the same color from every angle. Inspired by these beautiful feathers, we design structures of polymer nanoparticles that produce color the same way. This is a new way to make

CRISP – National Laboratory Collaborations: Advanced Photon Source & Brookhaven National Laboratory

A multi-partner collaborative effort has focused on understanding semiconductor-oxide interfaces.  This involves atomic layer precision in synthesis of the structures, correlating the structure and electronic properties using first principles, and obtaining subatomic resolution of structures from synchrotron x-ray diffraction a the Advanced Photon Source (Argonne National Laboratory) and electr

Impact of interfacial bonding on oxide functionality

Transition metal oxides exhibit many properties that can be harnessed in novel devices. For example, an epitaxial ferroelectric on silicon enables a nonvolatile transistor that remembers its state without continuous power consumption. A critical question is how the oxide/silicon interface affects the oxide functionality.

What has soft matter physics got to do with butterfly colors?

The vivid, angle-dependent structural colors of some butterfly wing-scales are produced by light scattering from complex three-dimensional nanoscale structures.

Single Particle Studies of Nanocubes Shows Marked Effect of Composition and Substrate

Optical properties of nanomaterials are at the basis of a host of new technology and prototypes, including sensors, computing devices, and enhancing substrates for spectroscopy, yet fundamental understanding on how to tune such properties is just emerging. Researchers at Northwestern University

Structure–Property Relationships in Hierarchically Ordered Self-Assembled Systems

When a negatively charged, high molecular weight polymer (hyaluronic acid) is mixed with a positively charged peptide-based, self-assembling molecule, a membrane is instantaneously formed at the interface of the two solutions. These closed membranes (sacs) have a complex hierarchical structure which presents a unique challenge in quantifying its mechanical

Charge Transfer Across Oriented Molecular Interfaces

Molecular semiconductors are important materials for technology applications, such as solar cells. Current research focuses on how to organize molecules  at interfaces for more efficient energy conversion.  Maryland MRSEC researchers

Spontaneous Buckling of Synthetic Gels with Depth-wise Crosslinking Gradient

Hydrogels undergo volume changes when immersed in water, the degree of which is det