Precise Tuning of Flexoelectricity in SrTiO3 by Ion Irradiation
Shuai Nan,
Shipu Xu,
Yunlong Ren
et al.
Abstract:Flexoelectric coefficient is a tetradic and its introduction enables centrosymmetric materials to exhibit piezoelectricity. However, the flexoelectric paradigm currently lacks a strategy to effectively tune the strain gradient for optimal electro‐mechanical coupling. This study proposes a quantized collision model accessible through ionic irradiation technology to explore the flexoelectricity and precisely modulate the strain gradient. The lattice strain is introduced in SrTiO3 (STO) single crystals and tuned … Show more
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