Microscopic origin of the fast crystallization ability of Ge?Sb?Te phase-change memory materials
Phase-change materials are of commercial interest for their use in rewritable optical disks and as non-volatile memories, although little is known about the dynamics of the phase transition. The numerical simulation of the entire write-erase cycle therefore provides important clues towards the development of new phase-change materials.
AP - The plan was nothing if not audacious: A turncoat persuades rebels to bring together their most prized hostages and march them 90 miles through Colombia's wilderness. A month later, disguised commandos primed with acting lessons land in a helicopter and trick the rebels into handing them over.
Reuters - The investigation of a salmonella
outbreak in the United States is shifting to the southern
border to encompass produce imported from Mexico, CNN reported
on Thursday.
