Davisson-Germer: Electron Diffraction
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About
Topics
- Electron Diffraction
Description
Simulate the original experiment that proved that electrons can behave as waves. Watch electrons diffract off a crystal of atoms, interfering with themselves to create peaks and troughs of probability.
Sample Learning Goals
- Recognize that electrons are reflected from a lattice mostly at certain angles due to wave interference.
For Teachers
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
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Authors | Level | Type |
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| Visualization and Visual Illusions SIM Homework |
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Kathy Perkins, Carl Wieman | UG-Intro | HW |
| Concept Questions for Chemistry using PhET |
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Trish Loeblein | HS UG-Intro MS |
CQs |
| Davisson Germer lecture and homework |
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Sam McKagan, Kathy Perkins, Carl Wieman, and Noah Finkelstein | UG-Adv UG-Intro |
HW CQs Demo |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other |
Translations
Software Requirements
| Windows | Macintosh | Linux |
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Microsoft Windows XP/Vista/7 Sun Java 1.5.0_15 or later
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OS 10.5 or later Sun Java 1.5.0_19 or later
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Sun Java 1.5.0_15 or later
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Credits
| Design Team | Third-party Libraries | Thanks To |
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