Highly reversible extrinsic electrocaloric effects over a wide temperature range in epitaxially strained SrTiO3 films

Figure 4. In-plane dielectric response of the strained STO film. Figure 5. Electrical polarization of the strained STO film. Figure 6. EC effects in the strained STO film.图4：应变钛酸锶（STO）薄膜的面内介电响应。 图5：应变钛酸锶（STO）薄膜的电极化。 图6：应变钛酸锶（STO）薄膜的电卡（EC，Electrocaloric）效应。