
How Thin is a Thin Film? Introduction to Thin Film Reflectometry
Introduction A thin film can be defined as any material with a thickness ranging from a fraction of a nanometre (nm) to a few microns

Introduction A thin film can be defined as any material with a thickness ranging from a fraction of a nanometre (nm) to a few microns

Reflection is simply the return of a light ray from any surface without any change in wavelength. It is also referred to as Reflectance, defined