Search Menu
Photonics Media Photonics Buyers' Guide Photonics EDU Photonics Spectra BioPhotonics EuroPhotonics Industrial Photonics Photonics Showcase Photonics ProdSpec Photonics Handbook
More News
Email Facebook Twitter Google+ LinkedIn Comments

IR Spectra Reveal Red Oxygen

Photonics Spectra
Feb 2000
At 100,000 times atmospheric pressure, solid oxygen turns red. Researchers have been aware of the phenomenon since 1979; now a team in Florence, Italy, has an explanation. Using Fourier transform IR spectroscopy, Federico A. Gorelli and Roberto Bini of the University of Florence and their colleagues determined that the optical effect accompanies the formation of O4 molecules.

The physicists measured the absorption spectra of red oxygen from 100 to 1800 cm-1 at pressures of 10 to 63 GPa. A newly observed peak at about 300 cm-1 led them to the conclusion that the charge transfer mechanism forces two diatomic molecules of oxygen to bond in a sort of polymerization at between 10 and 20 GPa.

Basic ScienceResearch & TechnologyTech Pulse

Terms & Conditions Privacy Policy About Us Contact Us
back to top
Facebook Twitter Instagram LinkedIn YouTube RSS
©2018 Photonics Media, 100 West St., Pittsfield, MA, 01201 USA,

Photonics Media, Laurin Publishing
x Subscribe to Photonics Spectra magazine - FREE!
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.