Salahuddin and Datta found that, under certain conditions, the use of ferroelectric materials leads to a negative capacitance (that is, the voltage of the capacitor decreases as charge is added).

img src="https://img.jagranjosh.com/images/2024/April/1542024/chemistry-syllabus-class-12-isc-(1).jpg" width="1200" height="675" /> Electrostatic Potential and ...