Science Highlights

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

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 »

Research on uranium transformation and mobility in the subsurface is providing insights that can aid remediation efforts at contaminated sites such as the Hanford 300 area in Washington.

Common Mineral Impurity Can Affect Uranium Mobility

Previously unknown role of titanium in subsurface chemistry revealed. 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.

Optimizing New Materials for Extreme Solar PV Performance

High magnetic fields reveal the existence of nitrogen superclusters. 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.

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 »

Distribution of superconductivity around holes (white) in a thin sheet of superconducting film.

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 left figure shows computed positions for atoms at grain boundaries during deformation...

New Understanding of Radiation-Enhanced Deformation

When it comes to stressing a crystal during irradiation, not all atoms are created equal. Read More »

A focused laser is scanned over the sample, a suspended nanobeam of VO2.

Illuminating How Complex Oxides Turn Light into Electrical Current

Nanoscale imaging of the current generated by light provides insights for future generation optoelectronic devices. Read More »

Schematic illustration of cylinder-forming diblock copolymers...

Design Principles Revealed for a New Class of Functional Biomaterials

Ordered arrays of functional proteins with designed molecular properties created through self-assembly by combining proteins and synthetic polymers. Read More »

Recent experimental and theoretical studies of heat transport through a periodic stack of thin films known as a superlattice show that a portion of the thermal energy carriers maintain wave-like properties while traversing through the nanostructure.

An Unexpected Heat Wave

Observation of wavelike heat conduction reveals new possibilities for tailoring thermal transport through wave effects. Read More »