Nature

Measurement of the quantum capacitance of graphene

The electron transport properties of graphene devices are critical to many applications, but our understanding of these properties is still incomplete, in spite of rapid advances in recent years. One ...
Nature

Measurement of the quantum capacitance of interacting electrons in carbon nanotubes

The capacitance of a classical conductor is determined solely by its geometry. When charged, the electrons distribute in space in a manner that minimizes their electrostatic energy. Quantum mechanics ...
EDN

Let’s Talk About Capacitance and Charge

We discussed in the previous tutorials the dielectric—the insulating material that prevents the two parallel conductive plates from touching each other. An electrical current flows when a voltage is ...
Electronic Design

Use Analog Techniques To Measure Capacitance In Capacitive Sensors

Capacitive sensors are found in a wide range of equipment, from consumer electronics to industrial/process control. Touch buttons are increasingly found in lamps and dimmers. Motion detectors can ...
Electronic Design

Output Capacitance Optimization and Picking the Right Slammer—An Introduction

Existing test solutions aren’t always suitable for the latest improvements in switching regulator technology. Transient load testing can address these inequities. In response to the recent ...