5.1.4 - Scanning Tunneling Microscopy (STM)
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Practice Questions
Test your understanding with targeted questions
What does STM stand for?
💡 Hint: Consider the first letter of each word in the name.
What type of materials can STM be used on?
💡 Hint: Think about the requirement for measuring electric current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What principle does STM operate on?
💡 Hint: Think about the electrical relationship between the tip and the surface.
True or False: STM can be used on non-conductive samples.
💡 Hint: Recall the necessary conditions for STM to function.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given that tunneling current is dependent on the distance between the STM tip and the surface, explain how variations in this distance could affect the resulting image.
💡 Hint: Consider how the precision of distance impacts current measurements and resultant imaging.
How would you approach characterizing a newly synthesized nanomaterial using STM? Outline the steps you would take.
💡 Hint: Think about sample preparation as the first critical step in the STM process.
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