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Mechanoluminescence

Light resulting from mechanical action on a solid

Summary

Light resulting from mechanical action on a solid

Mechanoluminescence is light emission resulting from any mechanical action on a solid.

  • Fractoluminescence is caused by stress that results in the formation of fractures, that in turn yield light.
  • Piezoluminescence is caused by pressure that results in elastic deformation and large polarization from the piezoelectric effect.
  • Triboluminescence is nominally caused by rubbing, but sometimes occurs because of resulting fractoluminescence. It is often used as a synonym.

Mechanoluminescence can be produced through various means, such as ultrasound (e.g., causing crystals suspended in slurries to collide with one another and shatter). The related phenomenon of sonoluminescence differs in that it pertains to liquids.

References

References

  1. "IUPAC Gold Book: Piezoluminescence".
  2. "IUPAC Gold Book: Triboluminescence".
  3. University Of Illinois At Urbana-Champaign. (10 Nov 2006). "Ultrasound Generates Intense Mechanoluminescence". ScienceDaily.
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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