4Mechanical Nanosensors

4.1 Introduction

What is a physical sensor? Recalling Section 1.15, it is a device enabling precise measurements of physical variables, such as mechanical, thermal, optical, and other properties of matter. Such measurements are required every day in many applications. Next, we move to mechanical sensors. Under ‘Physics’ (Section 1.3), we talked about mechanics (Section 1.3.5). Mechanical sensors are those dealing with mechanical properties of material bodies related to forces and motion, like mass, displacement, acceleration, force, torque, pressure, strain, fluid flow, viscoelasticity, etc.

The center of attention here is primarily nanoscale and nanosensors. The main methods of sensing mechanical measurands have been ...

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