Argonne National Laboratory

Science Highlights

Date Postedsort descending
Distribution of AEZs in the United States. To view a larger version of the image, click on it.
Land-use change and greenhouse gas emissions from corn and cellulosic ethanol

This paper investigates the effect of several key domestic lands carbon content modelling parameters on LUC GHG emissions.

July 16, 2013
(A) Lattice structure of GdSi, viewed along the incommensurate antiferromagnetic wave vector (0, 0.483, 0.092) direction. (B) DC magnetic susceptibility measured along all three orthogonal axes shows two magnetic phase transitions at 53.0 and 54.7 K. (Inset) Susceptibility vs. temperature from 1.8 to 300 K. To view a larger version of the image, click on it.
Electronic interactions give rise to quantum phenomena in rare-earth magnets

Researchers studied a unique example of the nesting-driven spin density wave ground state in the rare-earth magnet GdSi that allowed them to explore the local and itinerant spin interaction.

July 16, 2013
Synthesis of PFeTTPP. a) Molecular structure; b) simulated 3D stacking of PFeTTPP. Fe red, N blue, C light blue, S yellow; H not shown for clarity. To view a larger version of the image, click on it.
A new route to making high-efficiency, low-cost electrocatalysts

Researchers reported a new method of fabricating a highly efficient, “support-free” oxygen reduction catalyst for fuel cell application using an ultrahigh surface area polyporphyrin as precursor.

July 16, 2013
Ames Laboratory scientists discover new family of quasicrystals

Scientists at the U.S. Department of Energy’s (DOE) Ames Laboratory have discovered a new family of rare-earth quasicrystals using an algorithm they developed to help pinpoint them.

July 16, 2013
Dynamic trees can aid in performance tuning of scientific codes

Researchers have developed a data analysis tool that uses dynamic trees to rapidly determine which software and hardware tuning parameters best explain differences in code performance.

July 16, 2013
SRIM-2008 calculated implanted Xe concentration (at.%, solid lines) and accumulated damage (dpa, dashed lines). To view a larger version of the image, click on it.
Studying defects created by irradiating molybdenum crystals

In situ Transmission Electron Microscopy (TEM) studies of Xe implantations in pure single crystal Molybdenum were conducted to study irradiation damage and inert gas bubble formation and growth behaviors.

July 16, 2013
(a) Isosurface (30%) of the reconstructed amplitude superimposed with a model of the possible {111} and {100} crystal planes. The normal directions of two sets of crystalline planes {111} and {100} are marked by two kinds of arrows (fat and narrow), and the one (111) used for the measurement is marked in red. (b,c) are the top and bottom view of phase shift distribution pasted on the 30% isosurface plot. Three strain distinguished locations numerically labelled are chosen for quantitative measurement as a function of pressure. (d) 3D phase distribution at different slicing depths spaced apart by 20 nm steps from top to bottom of the crystal. The colour scale is used to show the relative phase shift and normalized to range [−π/4, π/4].To view a larger version of the image, click on it.
A high-pressure nanoimaging breakthrough

A team of researchers made a major breakthrough in measuring the structure of nanomaterials under extremely high pressures.

July 16, 2013
MCS division researchers help develop new sequencing analysis service

The Argonne/University of Chicago Computation Institute has announced a new sequencing analysis service called Globus Genomics.

July 16, 2013
The structure of the human glucagon receptor, which could help scientists design new drugs for type 2 diabetes. Image courtesy of Katya Kadyshevskaya, The Scripps Research Institute.
A key target for diabetes drugs

A team of researchers has identified the three-dimensional atomic structure of the human glucagon receptor. The receptor, found mainly on liver and kidney cells, helps regulate glucose levels in the bloodstream and is the target of potential therapeutic agents for type 2 diabetes.

August 5, 2013
Example profiles related to finding AOD (z) for April 15, 2008, obtained by the Micropulse Lidar (MPL). To view a larger version of the image, click on it.
Profiling atmospheric aerosols

For the first time, a long-term average of Air Optical Depth as a function of the height above the ground was obtained by Argonne researchers.

August 15, 2013