Nanometer Sized Particles

Aluminum Particles

Below is a scanning electron microscope (SEM) picture of nanoscale aluminum particles produced with inert gas condensation. These particles are consolidated under pressure to form a nanophase material. Since the particles were passivated by exposure to air, they each have an outer coating of aluminum oxide, about 4 nm thick. The resulting nanophase material is a composite of Al metal and Al-oxide.
Al Nano-Particle Image

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