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The electrocaloric effect has been investigated in Sr and Nb co-doped Pb(Zr,Ti)O3 (PSNZT) ceramics synthesized by conventional solid state reaction. The coexistence of negative and positive electrocaloric effect was revealed in PSNZT ceramics. The electrocaloric response values of −0.38K at 80°C and 0.65K at 180°C were observed under an electric field of 1.5kV/mm. The corresponding electrocaloric...
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