3. Characterization
Scanning Probe Methods — Quiz
Test your understanding of scanning probe methods with 5 practice questions.
Practice Questions
Question 1
Which of the following describes the primary difference in the operating principle between Scanning Tunneling Microscopy (STM) and Atomic Force Microscopy (AFM)?
Question 2
In Scanning Tunneling Microscopy (STM), what phenomenon allows electrons to pass between the tip and the sample even when they are not in direct contact?
Question 3
Which of the following is a primary requirement for a sample to be imaged using Scanning Tunneling Microscopy (STM)?
Question 4
What is the primary function of the feedback loop in a Scanning Probe Microscope (SPM) system, such as AFM or STM?
Question 5
Which of the following techniques is most suitable for imaging the surface topography of a non-conductive biological sample at the nanoscale?