Chemical dependence of second-order radiative contributions in the Kβ x-ray spectra of vanadium and its compounds

Stjepko Fazinić, Milko Jakšić, Luka Mandić, and Julijan Dobrinić
Phys. Rev. A 74, 062501 – Published 1 December 2006

Abstract

Kβ x-ray spectra of metallic vanadium and its compounds (V2O3, VO2, V2O5, VC, VN, VCl2, NH4VO3, and VOSO4×5H2O) induced in thick targets by 3MeV proton beams were measured by using wavelength dispersive (WD) x-ray spectrometer. In addition to the main Kβ1,3 x-ray line, “satellites” or second order contributions like Kβ, Kβ, Kβ, and Kβ2,5 were clearly resolved. Intensities and positions of these lines relative to the Kβ1,3 x-ray line have been extracted by fitting the spectra and corrected for x-ray sample self-absorption. The influence of the oxidation states and vanadium-ligand bond distances in studied compounds on relative intensities and positions of Kβ, Kβ2,5, and (Kβ+Kβ2,5) x-ray lines (relative to Kβ1,3+Kβ) has been studied and discussed. The obtained results indicate that the strength of the Kβ and Kβ2,5 transition probability per vanadium-ligand pair decreases exponentially with increasing vanadium-ligand distance, in agreement with the observation reported by Bergman et al. for Kβ relative intensity in a number of Mn oxide compounds [U. Bergmann, C. R. Horne, T. J. Collins, J. M. Workman, and S. P. Cramer, Chem. Phys. Letters 302, 119 (1999)].

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
2 More
  • Received 21 July 2006

DOI:https://doi.org/10.1103/PhysRevA.74.062501

©2006 American Physical Society

Authors & Affiliations

Stjepko Fazinić* and Milko Jakšić

  • Rudjer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia

Luka Mandić and Julijan Dobrinić

  • Faculty of Engineering, University of Rijeka, Rijeka, Croatia

  • *Author to whom correspondence should be addressed.

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 74, Iss. 6 — December 2006

Reuse & Permissions
Access Options

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review A

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×