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Changes in primary DNA sequence (a) and three-dimensional structure (b) upon directed evolution of the noncatalytic protein hRXRα to the ligase enzyme 10C.July 2014Science Highlights

Watching the Evolution of a Protein’s Function

Study reveals structural changes leading to catalytic activity. Read More »

Color map (left) reconstructed image showing the direction of magnetization and the stray magnetic fields in and around a cobalt nanospiral (color wheel indicates magnetization direction) that is only 20 nm in diameter (images taken using high resolution Lorentz microscopy), and (right) tomographic reconstruction showing the 3D shape of the nano-spiral.June 2014Science Highlights

Magnetic Structure of Sculpted Nanospirals

Direct visualization of magnetic structures gives researchers a window into new possibilities at the Nanoscale. Read More »

Comparing the performance of palladium clusters of different sizes for water oxidation; (inset) calculated structure of the Pd6O6 cluster (red = oxygen, grey = palladium), a catalytic site for the reaction.June 2014Science Highlights

Palladium Cluster Size Matters

Groups of Palladium atoms found to have major effects on electrocatalyst performance. Read More »

Control of the synthesis results in a diversity of self-assembled structures formed by sticky colloidal particles:  array of “mushrooms” (left), wavy colloidal “fur”, dense fiber network, and three-dimensional reconstruction of the network (right).June 2014Science Highlights

Growing Nano “Hair” for Electrodes - From the Bottom Up

Electric fields control growth of “sticky” polymer particles. Read More »

Focal series high-resolution transmission-electron microscope (TEM) image (here, for disordered 1.2-1.5 nm NPs) and histogram for fraction of ordered NPs versus size, where NPs > 2.5 nm were all observed to be ordered.June 2014Science Highlights

Nanoparticles: To Be or Not to Be Crystalline?

Discovery of coexisting ordered and disordered catalytic nanoparticles. Read More »

Image of simulated soot particle courtesy of N. D. Loh and A. Freeberg, SLAC National Accelerator Laboratory.May 2014Science Highlights

More Than Meets the Eye: X-ray Vision Exposes Aerosol Structures

Soot particle diversity and complexity discovered using ultrafast x-rays at the Linac Coherent Light Source (LCLS). Read More »

Image shows the “stripes” (the alternating yellow and blue regions) of electronic charge alignment found in a ferroelectric thin film.September 2013Science Highlights

Towards Understanding Electronic Switching in Magnets

Researchers have invented a new x-ray imaging technique that could reveal key atomic-scale properties in ferroelectric magnetic materials. Read More »

Data points indicating the strength of long-range charge order (top) show that the static stripe order disappears at 240 K, while the data related to short-range dynamic correlations (bottom) show a gradual decay at much higher temperatures.September 2013Science Highlights

The Role of Stripes in Superconducting Behavior

Using neutron diffraction, movement of charged atoms arranged as “stripes” was captured for the first time. Read More »

Scanning electron micrograph of a new solid electrolyte material (lithium thiophosphate) showing its surface morphology and the nanoscale porosity which are responsible for its high ionic conductivity; Inset shows its crystal structure.July 2013Science Highlights

New Materials for High-Energy, Long-Life Rechargeable Batteries

Using sulfur-rich, highly ionic compounds as cathodes and electrolytes enables solid-state lithium-sulfur rechargeable batteries. Read More »

Resonant scattering with coherent x-rays is used to probe the size and the dynamics of magnetic domains in a Dysprosium (one of the elements with highest magnetic strength) crystal with three different domains (shown in three colors in the schematic).June 2013Science Highlights

Magnetic Systems Mimic Granular Materials

Magnetic domains exhibit the same dynamic jamming behavior universal to granular materials, polymers, glasses and emulsions. Read More »

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