Publication | Closed Access
Giant Negative Electrocaloric Effects of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> Thin Films
131
Citations
40
References
2016
Year
Hafnia (HfO<sub>2</sub> )-zirconia (ZrO<sub>2</sub> ) solid solution films show giant positive (ΔT = 13.4 K) and negative (ΔT = -10.8 K) electrocaloric effects that can be simply controlled by tuning the Hf/Zr ratio. It is expected that the combination of the electrocaloric effects with opposite signs in this lead-free, simple, binary oxide can significantly improve the efficiency of electrocaloric cooling.
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