Science news articles about 'magnetic impurities'

... low temperatures, an electron moving past a magnetic impurity will tend to flip its spin and therefore ... path. This explains why even tiny magnetic impurities can cause electrical resistance to rise, ...

... permanent magnetic behaviour of graphite. The researchers also show experimental evidence for excluding magnetic impurities to be the origin of ferromagnetism, ending ten years of debate. Carbon in ...

... magnetism strongly interferes with conventional low-temperature superconductors. “Only a few magnetic impurities in the low-temperature superconductors sap the superconducting properties away,” says ...