What are the Challenges in Measuring Surface Roughness at the Nanoscale?
Measuring surface roughness at the nanoscale presents several challenges:
Resolution and Accuracy: High-resolution techniques are required to accurately measure the minute surface features. Sample Preparation: Proper sample preparation is crucial to avoid introducing artifacts that can affect measurement accuracy. Environmental Factors: Factors such as vibration, temperature, and humidity can impact the measurement results, necessitating controlled environments. Instrument Calibration: Regular calibration of measurement instruments is essential to maintain their accuracy and reliability.