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Diagram showing the properties of a material as temperature and chemical composition (phosphorus level in this study) are varied.March 2013Science Highlight

What Causes High-temperature Superconductivity?

A phase change at absolute zero temperature may provide key insights into the decades-old mystery of high-temperature superconductivity. Read More »

[Left] Next generation multijunction solar cell with a dilute nitride middle junction (red)  [Right] A transition from delocalized to localized electron trapping is directly observed in the photoluminescence (PL) spectra as the magnetic field is increased up to 57 Tesla.March 2013Science Highlight

Optimizing New Materials for Extreme Solar PV Performance

High magnetic fields reveal the existence of nitrogen superclusters. Read More »

Distribution of superconductivity around holes (white) in a thin sheet of superconducting film.March 2013Science Highlight

A Breakthrough for High-Field Superconductors

Nano-structuring may help superconductors overcome a decades-long barrier to use in more powerful motors and magnets. Read More »

The density of bonding electrons (red and yellow) in silicon (upper left) is rather evenly distributed, whereas in zinc oxide (upper right), it is concentrated around the oxygen atoms.March 2013Science Highlight

Understanding How Semiconductors Absorb Light

Advances in how we calculate optical properties of semiconductors shorten the path to improved solar cells and other optoelectronic devices. Read More »

Uranium mill tailings field research site in Rifle, Colo.March 2013Science Highlight

Understanding How Uranium Changes in Subsurface Environments

Bacterial biomass found to have an impact. Read More »

Overall structure of 6-P-β-glucosidase and its comparison with 6-P-β-galactosidase.February 2013Science Highlight

Breaking Down Enzymes’ Role in Biofuel Production

Molecular structures provide insights into biomass deconstruction. Read More »

An electrolyte molecule (ethylene carbonate: C3H4O3) weakly binds (dashed line) to the positive electrode surface (Li0.6Mn2O4)...February 2013Science Highlight

Understanding Nature’s Choreography in Batteries

Charge-discharge chemistry for lithium ion batteries elucidated by theoretical calculations. Read More »

Scanning electron microscopy of conductive carbon fibers coated with metal oxide nanowires...February 2013Science Highlight

Nano-Composite Designs for Energy Storage

Nano-porous metal oxide coatings on carbon fiber dramatically enhance the electrical storage capacity for supercapacitors. Read More »

Potential biomass collection areas for cellulosic biorefineries within 10 Midwest states.January 2013Science Highlight

Using Marginal Lands for Biofuels

Assessment shows Midwest could support biomass production while benefiting climate. Read More »

Schematic figure of solid-electrolyte interphase (SEI) layer formed during the first charging cycle illustrating a interphase layer comprised predominantly of a mixture of lithiumethylene dicarbonate (LEDC) and lithium fluoride (LiF).January 2013Science Highlight

Revealing the Illusive Interphase in Lithium Ion Batteries

Structure and composition of the Solid Electrolyte Interphase in lithium ion batteries was investigated via a unique combination of microscopy and spectroscopy. Read More »