Now, an unusual way of fabricating single-crystal organic transistors has allowed scientists to probe charge transport within the crystals and to observe a strong anisotropy of the charge transport mobility within the crystal plane never before seen.

(March 11, 2004) Gaitherburg, Md.&#8212A warm winter coat doesn’t work nearly as well if it’s full of holes. The same is true for hafnium oxide, a promising insulator for the next generation of smaller, faster microchips.