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Science and Research Highlights

Lights, Conformational Change… Action!

Lights, Conformational Change… Action!

September 17, 2014

How do organisms convert light into a biological action? Experiments at the U.S. Department of Energy′s Advanced Photon Source fill in critical steps in our understanding of these complex sensory systems, manipulation of which may have many future applications in agriculture.
Stability vs. Activity: Characterizing Strontium Ruthenate Crystals for Electrochemical Applications

Stability vs. Activity: Characterizing Strontium Ruthenate Crystals for Electrochemical Applications

August 29, 2014

Researchers using the U.S. Department of Energy′s Advanced Photon Source have characterized a new electrolyser catalyst with the potential to improve the production of hydrogen for input into fuel cells. Their study is the first to focus on methods for predicting how to synthesize well-defined oxide surfaces with the specific characteristics necessary for electrolysers, and for tailoring those characteristics to different engineering needs.
When an Exciton Acts Like a Hole

When an Exciton Acts Like a Hole

August 26, 2014

When is an electron hole like a quasiparticle? More specifically, what happens when a single electron hole is doped into a two-dimensional quantum antiferromagnet? Quasiparticle phenomena in such a system are predicted by theory, but have eluded observation, complicating the understanding of electron behavior in high-temperature superconducting cuprates. Experimenters working at the U.S. Department of Energy′s Advanced Photon Source have cast new light on this classic problem in condensed matter physics and opened a new pathway for the study of high-temperature superconductors.
Blueprints of a Bacterial Infection

Blueprints of a Bacterial Infection

August 14, 2014

One of the most common types of bacterial infection might soon give doctors and nurses fewer sleepless nights, thanks to a discovery made by scientists utilizing the U.S. Department of Energy′s Advanced Photon Source at Argonne National Laboratory.
Revealing a Novel Mode of Action for an Osteoporosis Drug

Revealing a Novel Mode of Action for an Osteoporosis Drug

August 13, 2014

Raloxifene, a treatment for decreasing fracture risk in osteoporosis, works only partially by suppressing bone loss. Studies at the U.S. Department of Energy′s Advanced Photon Source revealed an additional mechanism underlying raloxifene action, providing an explanation for how this drug can achieve equivalent clinical benefit. These data, together with complementary techniques, help define a novel mechanism by which raloxifene increases inherent bone toughness.
Acid Ions are More Than Spectators

Acid Ions are More Than Spectators

August 5, 2014

Measurements carried out at the U.S. Department of Energy′s Advanced Photon Source, coupled with state-of-the-art density functional theory simulations reveal that strong acids, such as hydrochloric acid, form counter-ion pairs in solution across all concentration, a result that had not been seen in gas-phase studies. The discovery suggests that it is not simply the release of protons — hydrogen ions — that is important for the properties of acids.
Peeling Back the Layers of Thin Film Structure and Chemistry

Peeling Back the Layers of Thin Film Structure and Chemistry

July 10, 2014

Perovskites entice materials scientists with their ferroelectricity, ferromagnetism, catalytic activity, and oxygen-ion conductivity. Perovskites could be vastly improved by assembling them into thin films, but no one understood why thin films beat out bulk materials. Researchers working the U.S. Department of Energy′s Advanced Photon Source at Argonne National Laboratory used a groundbreaking approach to tease apart the thin-film structure and chemistry layer by layer and found that, instead of having a uniform distribution of elements, there were drastic differences in composition between the thin-film layers, an observation may help researchers design thin-film perovskites with enhanced activity and stability.

APS News

Michael Borland of the APS Named an Argonne Distinguished Fellow

Michael Borland of the APS Named an Argonne Distinguished Fellow

September 15, 2014

Michael Borland, Associate Division Director of the Argonne Accelerator Systems Division in the Photon Sciences Directorate, is one of four Argonne National Laboratory scientists named as Argonne Distinguished Fellows for 2014, the Laboratory’s highest scientific and engineering rank.
Kim of ASD Awarded 2014 Wilson Prize for Achievement in Physics of Particle Accelerators

Kim of ASD Awarded 2014 Wilson Prize for Achievement in Physics of Particle Accelerators

January 7, 2014

Kwang-Je Kim of the Advanced Photon Source has been named the recipient of the 2014 Robert R. Wilson Prize for Achievement in the Physics of Particle Accelerators,
Harkay of ASD Elected to Fellowship in the American Physical Society

Harkay of ASD Elected to Fellowship in the American Physical Society

December 18, 2013

Katherine Harkay of the Accelerator Systems Division has been elected to Fellowship in the American Physical Society for “significant contributions to the understanding of the physics of electron cloud effects and the experimental investigation and understanding of collective effects, as well as for playing leading roles in development of photocathodes and superconducting undulator technology."

Recent Publications

Recent Publications

Browse the latest entries in the APS Publications Database.

Annual Report

APS Science 2012

APS Science 2013, featuring APS research and engineering highlights, is now available.

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