Dielectric material Device comprising dielectric material and Preparation method for dielectric material

摘要

a layered perovskite compound, wherein the layered perovskite compound comprises a Dion-Jacopson phase, an Aurivilius phase and a Ruddlesden-Popper phase. phase), and the change in capacitance at 200°C (Temperature Coefficient of Capacitance, TCC) is -15% to 15% with respect to the capacitance at 40°C, and the dielectric constant at 1kHz to 1MHz is 200 As described above, a dielectric, a device including the same, and a dielectric manufacturing method are provided.