University of California: How Chemistry and Force Etch Mysterious Spiral Patterns on Solid Surfaces
March 14, 2025
March 14, 2025
LOS ANGELES, California, March 14 -- The University of California issued the following news release:
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How chemistry and force etch mysterious spiral patterns on solid surfaces
Hundreds of regular patterns spontaneously form on a small germanium chip
Key takeaways
* Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surfa . . .
* * *
How chemistry and force etch mysterious spiral patterns on solid surfaces
Hundreds of regular patterns spontaneously form on a small germanium chip
Key takeaways
* Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surfa . . .