LBNL Masthead A-Z IndexBerkeley Lab mastheadU.S. Department of Energy logoPhone BookJobsSearch
Science Highlights


Science highlights feature research conducted by staff and users at the ALS.

If a Power Point summary slide or a PDF handout of the highlight is available, you will find it linked beneath the highlight listing and on the highlight's page. You may also print a version of a highlight by clicking the print icon associated with each highlight.



Structure and Receptor Specificity of an Avian Flu Antigen Print
Wednesday, 25 July 2007 00:00

With continued outbreaks of the H5N1 avian influenza viruses in poultry and wild birds, the potential for the emergence of a human-adapted H5 virus, either by reassortment or mutation, is seen as a major threat to public health worldwide.

Read more...
 
First Proof of Ferromagnetic Carbon Print
Wednesday, 25 July 2007 00:00

Using a proton beam and an advanced x-ray microscope at the Advanced Light Source, a multinational team of researchers from the SSRL, the University of Leipzig, and the ALS finally put to rest doubts about the existence of magnetic carbon.

Read more...
 
Structure of the Complete 70S Ribosome at 3.7 Å Resolution Print
Wednesday, 27 June 2007 00:00

Using data collected at ALS Beamline 12.3.1, researchers from the University of California, Santa Cruz, have solved the structure of a Thermus thermophilus 70S ribosome functional complex at 3.7 Å resolution.

Read more...
 
First Direct Evidence of Dirac Fermions in Graphite Print
Wednesday, 27 June 2007 00:00

The recent surge of interest in the electronic properties of graphene has largely been driven by the discovery that electron mobility in graphene is ten times higher than in commercial-grade silicon, raising the possibility of high-efficiency, low-power, carbon-based electronics.

Read more...
 
Nature and Origin of the Cuprate Pseudogap Print
Wednesday, 30 May 2007 00:00

The workings of high-temperature superconductive (HTSC) materials are a mystery wrapped in an enigma. However, a team of researchers from the ALS, Brookhaven National Laboratory, and Cornell University has taken a major step in understanding part of this mystery—the nature and origin of the pseudogap.

Read more...
 
Particles from Comet 81P/Wild 2 Viewed by ALS Microscopes Print
Wednesday, 30 May 2007 00:00

NASA's $200-million, seven-year-long Stardust mission returned to Earth thousands of tiny particles snagged from the coma of comet 81P/Wild 2.

Read more...
 
Laser Seeding Yields High-Power Coherent Terahertz Radiation Print
Wednesday, 25 April 2007 00:00

Researchers at Berkeley Lab have been exploring the ways coherent synchrotron radiation (CSR) is generated in electron storage rings when femtosecond lasers are used to carve out ultrafast x-ray pulses by femtoslicing.

Read more...
 
Controlling Graphene's Electronic Structure Print
Wednesday, 25 April 2007 00:00

Graphene, because of its unusual electron properties, reduced dimensionality, and scale, has enormous potential for use in ultrafast electronic transistors. It exhibits high conductivity and an anomalous quantum Hall effect.

Read more...
 
Magnetic Vortex Core Reversal by Low-Field Excitations Print
Wednesday, 28 March 2007 00:00

In micrometer-sized magnetic thin films, the magnetization typically adopts an in-plane, circular configuration known as a magnetic vortex. At the vortex core, the magnetization turns sharply out of the plane, pointing either up or down. Magnetic data storage based on this binary phenomenon is an intriguing concept...

Read more...
 
Breakthrough Research on Platinum–Nickel Alloys Print
Wednesday, 28 February 2007 00:00

Two out of three of the kinetic barriers to the practical use of polymer electrolyte membrane (PEM) hydrogen fuel cells in automobiles have been breached: the impractically high amount of extra energy needed for the oxidation reduction reaction (ORR) on the catalyst and the loss of catalytic surface areas available for ORR.

Read more...
 
Beyond the Lone-Pair Model for Structurally Distorted Metal Oxides Print
Wednesday, 28 February 2007 00:00

"Ferroelectricity," by analogy to ferromagnetism, is defined as the presence of spontaneous electrical polarization in a material, often arising from distortions in the material's crystal structure. ... At the ALS, researchers from the U.K., Ireland, and the U.S. have now obtained definitive experimental evidence that the lone-pair model must be revised.

Read more...
 
The Initiation of Bacterial DNA Replication Print
Wednesday, 31 January 2007 00:00

For the first time, scientists have determined the structure of the initiator of bacterial DNA replication. What has now been discovered is that the core of the initiator is not the closed-ring structure expected for this system. Instead, DnaA forms an open right-handed helix.

Read more...
 
Electronic Structure and Magnetism in Diluted Magnetic Semiconductors Print
Wednesday, 29 November 2006 00:00

The possibility of using electrons' spins in addition to their charge in information technology has created much enthusiasm for a new field of electronics popularly known as "spintronics."

Read more...
 
Tailored Terahertz Pulses from a Laser-Modulated Electron Beam Print
Wednesday, 29 November 2006 00:00

Researchers at the ALS have demonstrated a new method to generate tunable, coherent, broadband terahertz radiation from a relativistic electron beam modulated by a femtosecond laser.

Read more...
 
Mapping the Nanoscale Landscape Print
Wednesday, 27 September 2006 00:00

For the first time, researchers have successfully mapped the chemical structure of conjugated polymer blend films with a spatial resolution of better than 50 nm using scanning transmission x-ray microscopy (STXM).

Read more...
 
<< Start < Prev 11 12 13 14 Next > End >>

Page 11 of 14