Press Releases

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Gregory Voth's current research focuses on the multiscale theory and simulation of biomolecular and material phenomena, including protein assembly, membrane-protein interactions, charge transport, complex liquids and nanoparticle self-assembly.
 Argonne's Voth receives award from American Chemical Society

Argonne National Laboratory and University of Chicago theoretical chemist Gregory Voth has received the 2013 Award in Theoretical Chemistry from the Physical Chemistry Division of the American Chemical Society.

 January 16, 2013
In this artist rendering, tiny magnetic vortices form on nanodisks, with each disk having a diameter of about 100 nanometers. Each vortex is directed either upwards or downwards. The Argonne study looked at the interaction between pairs of these nanodisks. Image courtesy Helmholtz-Zentrum Dresden-Rossendorf / Sander Münster 3DKosmos.
 Chaotic 'spin vortices' could lead to new computer memories

Scientists at Argonne have used alternating magnetic fields to control the behavior of “spin vortices” trapped in small dots made from iron and nickel that can be magnetized in two separate ways.

 January 2, 2013
Lawrence Berkeley National Laboratory scientist Gao Liu inspects coin cell sized batteries that are being cycled in an environmental chamber. Lawrence Berkeley is one of five U.S. Department of Energy National Laboratories that are part of JCESR.
TIAX LLC becomes affiliate member company in Joint Center for Energy Storage Research

Argonne National Laboratory has chosen TIAX LLC as an affiliate member company of the energy storage hub known as the Joint Center for Energy Storage Research (JCESR).

 January 2, 2013
Argonne physicists (from left) Stephen Southworth, Marcel Demarteau, John Arrington and Glenn Decker were named 2012 fellows of the American Physical Society. To view a larger version of the image, click on it.
 Four Argonne physicists named APS fellows

Four scientists at Argonne have been named fellows of the American Physical Society for 2012.

 December 18, 2012
The complicated evolution of an air film during drop impact. (a) Schematic description of air film evolution; namely, when an air film is entrapped during drop impact on a solid surface, it should evolve into a bubble to minimize its surface energy. (b) Schematic of ultrafast x-ray phase-contrast imaging, which enables the tracking of dynamic changes of air- liquid interfaces in real time. To view a larger version of the image, click on it.
 Bubble study could improve industrial splash control

For the first time, scientists witnessed the details of the full, ultrafast process of liquid droplets evolving into a bubble when they strike a surface. Their research determined that surface wetness affects the bubble's fate.

 December 10, 2012
Chemist Lin Chen is being honored for her “contributions to understanding structural dynamics of molecular excited states with special emphasis on problems related to renewable energy,” according to the AAAS.
Two Argonne scientists named 2012 AAAS fellows

Computational scientist Paul Fischer and chemist Lin Chen of Argonne have been named fellows of the American Association for the Advancement of Science.

 December 5, 2012
Argonne assistant materials scientist Swati V. Pol studies lithium-ion batteries at the Advanced Photon Source. The APS is one of several facilities at Argonne, other national labs and universities that form an integral part of the Joint Center for Energy Storage Research.
 Department of Energy awards up to $120 million for battery hub to Argonne-led group

A multi-partner team led by Argonne National Laboratory has been selected for an award of up to $120 million over five years to establish a new Batteries and Energy Storage Hub.

 November 30, 2012
A team led by Argonne National Laboratory used the recently developed Hardware/Hybrid Accelerated Cosmology Codes (HACC) framework to achieve nearly 14 petaflops on the 20-petaflop Sequoia, an IBM BlueGene/Q supercomputer, in a record-setting benchmark run with 3.6 trillion simulation particles.
 DOE researchers advance scientific computing with record-setting simulations

Breaking new ground for scientific computing, two teams of Department of Energy scientists have exceeded a sustained performance level of 10 petaflops on the Sequoia supercomputer at the National Nuclear Security Administration’s Lawrence Livermore National Laboratory.

 November 28, 2012
Understanding the complex turbulent mixing noise sources for jet exhaust nozzles is critical to delivering the next generation of “green” low-noise jet engines. A scalable, compressible Computational Aeroacoustics solver based on Large Eddy Simulation is used to study free-shear layer noise from jet exhaust nozzles. (Image by Anurag Gupta, Umesh Paliath, Hao Shen and Joseph A. Insley)
 INCITE awards accelerate supercomputing research

The U.S. Department of Energy’s Leadership Computing Facilities have awarded a combined 4.7 billion supercomputing core hours to 61 science and engineering projects with high potential for accelerating discovery and innovation through its Innovative and Novel Computational Impact on Theory and Experiment program.

 October 29, 2012
Schematic drawing of the double-stage diamond anvil cell assembly. The typical diameter of nano crystalline diamond semi-balls seen in the center of the drawing is 12-20 micrometers. The starting size of the sample is about three to four micrometers in diameter and about three micrometers thick. Image by GSECARS/Argonne National Laboratory.
 High-pressure science gets super-sized

The study of materials at extreme conditions took a giant leap forward with the discovery of a way to generate super high pressures without using shock waves whose accompanying heat turns solids to liquid.

 October 23, 2012
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