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June 12th, 2004
Studies on electric polarization at Argonne
Researchers from the U.S. Department of Energy's Argonne National Laboratory and Northern Illinois University have shown that very thin materials can still retain an electric polarization, opening the potential for a wide range of tiny devices. The researchers found that the ferroelectric phase – the ability to hold a switchable electric polarization – is stable for thicknesses as small as 1.2 nanometers, one-billionth of a meter, or a size several hundred thousand times smaller than the period at the end of this sentence.
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