Capacitor with built-in electric field

Capacitors including a built-in electric field, and related devices and assemblies, are disclosed herein. In some embodiments, a capacitor may include a top electrode region, a bottom electrode region, and a dielectric region between and in contact with the top electrode region and the bottom electrode region, where the dielectric region includes a perovskite material, and the top electrode region has a different material structure from the bottom electrode region. 本文公开了包括内置电场的电容器以及相关的装置和组件。在一些实施例中，电容器可以包括顶部电极区域、底部电极区域、以及在顶部电极区域和底部电极区域之间并与顶部电极区域和底部电极区域接触的电介质区域，其中，电介质区域包括钙钛矿材料，并且顶部电极区域具有与底部电极区域不同的材料结构。