Manufacturing Industry

New PZT ceramic has 100 times the electrocaloric effect.(EMERGING TECHNOLOGY)

Advanced Materials & Processes, May, 2006

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A variant of PZT (lead zirconate titanate) that exhibits an electrocaloric effect more than 100 times stronger than any previously seen in PZT has reportedly been designed by scientists at the University of Cambridge in England. The ceramic material, with composition PbZ[r.sub.0.95]T[i.sub.0.05][O.sub.3], contains about 20 times more zirconium than titanium.

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After increasing the zirconium content, the scientists found that by applying 25 volts of electricity to the new substance, they could reduce its temperature by 12[degrees]C (22[degrees]F). An applied electric ...

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Manufacturing Industry

New PZT ceramic has 100 times the electrocaloric effect.(EMERGING TECHNOLOGY)

Advanced Materials & Processes, May, 2006

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