Certain Doped-Oxide Ceramics Resist Ohm's Law
Tuesday, September 21, 2010 - 08:21
in Physics & Chemistry
A group of researchers in England and Spain has discovered that certain barium titanate ceramics do not follow Ohm's Law. Applying a voltage to them gradually changes their electrical resistance. The work, described in the journal Applied Physics Letters, may help explain how ceramics used in electrical circuits degrade.