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Artist conception highlights electron behavior in a single layer of iron-selenium atoms (red and purple) on a strontium titanate layer (blue pyramid shapes).December 2015Science 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 »

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.)December 2015Science 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 »

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.December 2015Science 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 »

Advanced electron microscopy technique permits the simultaneous collection of both signals: secondary electron (that are sensitive to the surface) and transmitted electron.December 2015Science Highlight

Atomic-Level Measurements of Rough Surfaces

Researchers use surface-sensitive signals to atomically resolve the structure of a rough surface. Read More »

A scanning probe microscope (SPM) can detect two similar signals, which could lead to ambiguous identification of ferroelectric materials.December 2015Science Highlight

Ferroelectricity – Ambiguity Clarified, and Resolved

Novel technique accurately distinguishes rare material property linked to improving sensors and computers. Read More »

November 2015Science Highlight

One Photon or Two?

First mixed matter/anti-matter probe aims to solve decade-old proton puzzle. Read More »

Off-center collisions of gold ions create a strong magnetic field and set up a series of effects that push positively charged particles to the poles of the football-shaped collision zone and negatively charged particles to the November 2015Science Highlight

Ripples Ruffle Primordial Plasma

RHIC physicists discover key evidence for a long-debated phenomenon in particle collisions. Read More »

Simulation of radioactive beam stopping in the plasma of an electron cyclotron resonance ion source as a first step toward high-efficiency charge breeding.November 2015Science Highlight

Major Gains in Ion Production for Radioactive Beams

Nuclear physics research with radioactive beams enhanced by high-efficiency charge-breeding techniques. Read More »

(Left) Silicon wires with match heads and (right) light absorption profile of a single match-head wire at 587 nm absorption.November 2015Science Highlight

Match-Heads Boost Photovoltaic Efficiency

Tiny “match-head” wires act as built-in light concentrators, enhancing solar cell efficiency. Read More »

Working with Molecular Foundry staff, an international team of users utilized the TEAM 1 microscope to plot the exact coordinates of nine layers of atoms with a precision of 19 trillionths of a meter.November 2015Science Highlight

Unprecedented Precise Determination of Three-Dimensional Atomic Positions

For the first time, electron tomography reveals the 3D coordinates of individual atoms and defects in a material. Read More »

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