Thursday, 24 March 2011

Year 13 Electron tunnelling

Heisenberg thought experiment website - some interesting background information

http://www.aip.org/history/heisenberg/p08b.htm

Schrodinger wave equation background
http://www.physlink.com/education/askexperts/ae329.cfm


Exam question
In an STM, explain why electrons can cross the gap between the tip of the probe and the surface, provided
• the gap is sufficiently narrow
• a potential difference is applied between the tip and the surface.

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