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Biological and Chemical Physics

University of Kentucky

Aluminum

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Full-Text Articles in Physics

Hyperfine Rather Than Spin Splittings Dominate The Fine Structure Of The B 4Σ-X 4Σ- Bands Of Aic, Dennis J. Clouthier, Aimable Kalume Jan 2016

Hyperfine Rather Than Spin Splittings Dominate The Fine Structure Of The B 4Σ-–X 4Σ- Bands Of Aic, Dennis J. Clouthier, Aimable Kalume

Chemistry Faculty Publications

Laser-induced fluorescence and wavelength resolved emission spectra of the B 4ΣX4Σ band system of the gas phase cold aluminum carbide free radical have been obtained using the pulsed discharge jet technique. The radical was produced by electron bombardment of a precursor mixture of trimethylaluminum in high pressure argon. High resolution spectra show that each rotational line of the 0-0 and 1-1 bands of AlC is split into at least three components, with very similar splittings and intensities in both the P- and R-branches. The observed structure was reproduced by assuming bβS magnetic hyperfine coupling ...