Switching Dynamics and Improved Efficiency of Free-Standing Antiferroelectric Capacitors,Advanced Electronic Materials

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Switching Dynamics and Improved Efficiency of Free-Standing Antiferroelectric Capacitors
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2024-07-03 , DOI: 10.1002/aelm.202400102
Umair Saeed _{1,

2} , David Pesquera ₁ , Ying Liu _{1,

3} , Ignasi Fina ₄ , Saptam Ganguly ₁ , José Santiso ₁ , Jessica Padilla‐Pantoja ₁ , José Manuel Caicedo Roque ₁ , Xiaozhou Liao ₃ , Gustau Catalan _{1,

5}

Affiliation

The switching dynamics of antiferroelectric lead zirconate (PbZrO₃) freestanding capacitors compared to their epitaxial counterparts is reported. Frequency dependence of hysteresis indicates that freestanding capacitors exhibit a lower dispersion of switching fields, lower residual polarization, and faster switching response as compared to epitaxially-clamped capacitors. As a consequence, freestanding capacitor membranes exhibit better energy storage density and efficiency.

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