News tagged with crystalline material

New research uncovers path to defect-free thin films

(Phys.org)—A team led by Oak Ridge National Laboratory's Ho Nyung Lee has discovered a strain relaxation phenomenon in cobaltites that has eluded researchers for decades and may lead to advances in fuel cells, magnetic ...

Sep 20, 2012
4 / 5 (4) 0 | with audio podcast

An unlikely route to ferroelectricity

(Phys.org) -- Ferroelectricity, which was first observed in the 1940s, is an interesting phenomenon involving the spontaneous (non-induced) formation of charge polarization (separation of charge) in certain ...

May 18, 2012
4.3 / 5 (4) 7 | with audio podcast

Creating nanostructures from the bottom up

Microscopic particles are being coaxed by Duke University engineers to assemble themselves into larger crystalline structures by the use of varying concentrations of microscopic particles and magnetic fields.

Apr 24, 2012
5 / 5 (2) 0 | with audio podcast

Materials that shrink when heated

One common reason that people with fillings experience toothache is that their fillings expand at a different rate to the original tooth when, for example, drinking a hot drink. Contrary to intuition, however, ...

Feb 09, 2012
5 / 5 (2) 1

New zeolite material may solve diesel shortage

World fuel consumption is shifting more and more to diesel at the expense of gasoline. A recently published article in Nature Chemistry by a research team at Stockholm University and the Polytechnic University of Valencia in Spa ...

Feb 01, 2012
3 / 5 (1) 0