Science Highlights

Electron energy loss spectroscopy.03.31.16Science Highlight

Problem Turned Into Performance for Solar Cells

Boundaries between crystalline grains - usually detrimental - can also boost charge collection in hybrid solar cells. Read More »

Nanostructured sheets created using microwaves are envisioned here on an electrode surface for the hydrogen evolution reaction (green circles are molybdenum atoms, yellow circles are sulfur atoms).03.31.16Science Highlight

New Microwave Synthesis Technique Produces More - Affordable Hydrogen

Scientists synthesize what could be a low-cost, earth-abundant material that splits water to make hydrogen fuel. Read More »

MD simulation shows membranes with an asymmetric molecular distribution of about 0.6 nm; yellow = gold; red = organo-thiol ligand molecules.03.31.16Science Highlight

Janus-like Nanoparticle Membranes

Sub-nanometer molecular asymmetry between the two different faces of nanoparticle membranes formed at air-water interface is revealed. Read More »

The deposition of a silicon dioxide layer (yellow layer) on a carbon nanotube (gray spheres) introduces solitary oxygen dopants (red spheres).03.31.16Science Highlight

Using Nanotubes to Create Single Photons for Quantum Communication

Demonstration of room temperature, single photon emission in doped carbon nanotubes opens a new path toward quantum information technologies. Read More »

Scanning electron microscopy image of the hair coating of Saharan silver ants, which shows the triangular cross section of the hairs.03.31.16Science Highlight

Silver Ants Stay Cool in the Saharan Heat

Findings could lead to biomimetic coatings for passive radiative cooling technologies for buildings and vehicles. Read More »

Moth eyes are highly antireflective due to their nanostructured surface.03.31.16Science Highlight

Artificial Moth Eyes Enhance Silicon Solar Cells

A novel approach to design and assembly of nanotextured surfaces on photovoltaic devices could improve energy collection. Read More »

In an iron-based superconductor, model patterns of electron spins show two competing liquid-like magnetic phases. (Positive spins correspond with yellow and red, while negative spins are green and black.)12.14.15Science Highlight

Magnetic Dance at the Threshold of Superconductivity

Near the onset of superconductivity, continuous exchange of electrons occurs between distinct, liquid-like magnetic phases in an iron-based superconductor. Read More »

Simulation of stretching of a silver nanowire accurately shows the entire process from “necking” (thinner regions in the wire) to the formation of a new phase (red portion in the last image).12.14.15Science Highlight

When Small Things Become a Big Deal

Computer-simulated atomic motion answers real-world questions like “How do things break?” Read More »

X-rays can characterize the motion of atomic-scale defects (for example, dislocations) relative to the morphology of a nanoparticle in the electrode of an operating lithium-ion battery. The dislocations are extra planes of atoms inserted into the atomic lattice.12.14.15Science Highlight

Tracking Hidden Imperfections Inside Operating Lithium-ion Batteries

Penetrating x-rays can image defects and phase changes during battery charging and discharging. Read More »

Artist conception highlights electron behavior in a single layer of iron-selenium atoms (red and purple) on a strontium titanate layer (blue pyramid shapes).12.14.15Science Highlight

Vibrations Raise the Critical Temperature for Superconductivity

Scientists reveal that coupling between electrons and atomic vibrations play a key role in this vexing phenomenon. Read More »