Near-Threshold X-Ray Fluorescence Spectroscopy Of Molecules

D W Lindle; P L Cowan; R E LaVilla; T Jach; R D Deslattes; R C . C Perera; B Karlin

doi:10.1117/12.945475

11 July 1988 Near-Threshold X-Ray Fluorescence Spectroscopy Of Molecules

D W Lindle, P L Cowan, R E LaVilla, T Jach, R D Deslattes, R C . C Perera, B Karlin

Proceedings Volume 0911, X-Ray and Vacuum Ultraviolet Interaction Data Bases, Calculations, and Measurements; (1988) https://doi.org/10.1117/12.945475
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The coupling of high-energy-resolution x-ray absorption and emission spectroscopies with a high-intensity and high-resolution synchrotron-radiation beamline has opened up several new avenues of research in inner-shell molecular physics. Of particular importance is the ability to tune the incident photon energy throughout the near-threshold region for the atomic core levels of the molecules. Sub- and supra-threshold excitations have revealed a diversity of phenomena, including screening effects below threshold, satellite-free fluorescence above threshold, and fluorescence polarization in both energy regions. All of these phenomena can be used in a complementary way to uncover some of the underlying molecular dynamics which occur upon inner-shell excitation and ionization. Some of the latest results from the NBS X-Ray Spectroscopy Beamline at NSLS will be presented to highlight these effects.

Citation Download Citation

D W Lindle, P L Cowan, R E LaVilla, T Jach, R D Deslattes, R C . C Perera, and B Karlin "Near-Threshold X-Ray Fluorescence Spectroscopy Of Molecules", Proc. SPIE 0911, X-Ray and Vacuum Ultraviolet Interaction Data Bases, Calculations, and Measurements, (11 July 1988); https://doi.org/10.1117/12.945475

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