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Measured phase diagram for the three solid phases of vanadium oxide (VO2): metallic (golden), insulating M1 (grey), and insulating M2 (purple).September 2013Science Highlights

Fundamental New Insight Into Material for Optical-Switching

A triple point, where three different atomic structures coexist simultaneously, has been uncovered in vanadium dioxide. 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 tunneling microscopy (STM) experiments have been used to visualize the formation of composite particles called “heavy electrons” with the lowering of temperature.July 2013Science Highlights

Visualizing the Onset of “Heavy Electron” Superconductivity

Electrons can behave as if they are a hundred times heavier than free electrons and superconducting. 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 »

The structure of the iron MOF showing iron (orange), nitrogen (blue), and carbon (gray) atoms, as viewed along the triangular channels.July 2013Science Highlights

Fewer Steps to Higher Octane Gasoline in Petroleum Refining

A novel metal-organic framework (MOF) efficiently separates higher octane components from the low value ones, offering great potential for significant cost reduction in gasoline production. 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 »

Cartoon depicting how the ionic liquid molecules arrange in electrically charged interfaces (not to scale).June 2013Science Highlights

Don’t Count Your Ions Before They Dissociate

Ionic liquids found to behave differently than expected. Read More »

High-energy x-ray diffraction pattern from a single grain of a gadolinium – cadmium alloy (shown in center) displaying the novel five-fold rotational symmetry, characteristic of an icosahedral quasicrystal.June 2013Science Highlights

A New Class of Magnetic Materials with Novel Structural Order

The discovery of the first binary magnetic quasicrystals will enable the unraveling of the fundamental relationship between the structure and magnetism in aperiodic materials. Read More »

Protons and x-rays permit direct, nondestructive imaging of melting and solidification of metal alloys.June 2013Science Highlights

Using Protons to Peer into Metal Solidification

Proton radiography is a new tool for imaging melting and solidification of metals. Read More »

The crystal structure of the niobium pentoxide (Nb2O5) electrode allows for 2-dimensional diffusion of lithium ions during charging and discharging cycles.May 2013Science Highlights

The Best of Both Worlds

Researchers create materials that can store lots of energy and deliver it quickly. Read More »

Last modified: 10/8/2013 4:06:58 PM