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Materials Science Science Fair Project

Temperature and Gallium Oxide Nanowires

Temperature and Gallium Oxide Nanowires | Science Fair Projects | STEM Projects
Ever wondered how temperature affects the formation of tiny nanowires made of gallium oxide? In this project, you'll find out by heating up a silicon wafer and observing the results under an electron microscope.


The hypothesis is that the formation of gallium oxide nanowires will occur at temperatures above 900°C.

Method & Materials

You will coat a silicon wafer with a nickel nitrate solution, place it in an aluminum tube furnace, fill the tube with argon gas, and increase the temperature of the furnace at a rate of 17°C per minute.
You will need 6 gallium beads, an aluminum tube furnace, a cylinder of argon gas, 6 pieces of silicon wafer, a Ni(NO3)2 solution, a beaker of water, a ceramic plate, a vacuum pump, and an electron microscope.


The results showed that gallium oxide nanowires only form at temperatures above 920°C, disproving the hypothesis.

Why do this project?

This science project is interesting because it explores the effect of temperature on the formation of nanowires, which are tiny structures with potential applications in producing tiny components and circuits.

Also Consider

Variations of this experiment include using zinc oxide to produce zinc oxide nanowires.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

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