Authors:
E. Cengiz Karadeniz Technical University Department of Physics, Faculty of Arts and Science 61080 Trabzon Turkey

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V. Aylıkcı Karadeniz Technical University Department of Physics, Faculty of Arts and Science 61080 Trabzon Turkey

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N. Kaya Karadeniz Technical University Department of Physics, Faculty of Arts and Science 61080 Trabzon Turkey

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G. Apaydın Karadeniz Technical University Department of Physics, Faculty of Arts and Science 61080 Trabzon Turkey

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E. Tıraşoğlu Karadeniz Technical University Department of Physics, Faculty of Arts and Science 61080 Trabzon Turkey

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Abstract  

In this study, the chemical effects on σKi (i = α, β), σ cross sections, Kβ/Kα X-ray intensity ratios and vacancy transfer probabilities from K to L (ηKL) for pure Nb and Nb compounds were investigated. The samples were excited by 59.5 keV γ-rays from 241Am and 5.96 keV photon energy from a 55Fe annular radioactive sources. K and L X-rays emitted by samples were counted by an Ultra-LEGe detector with a resolution of 150 eV at 5.9 keV. While it was observed that the chemical bonding had an effect on the σ, σ cross sections and Kβ/Kα X-ray intensity ratios for compounds, it was almost negligible for σ cross section because Kα transitions (2P3/2,1/2→1S1/2) occurred in inner shells. It is well known that interactions between central element atom and ligands come into existence in valence state, so outer energy levels are sensitive to the chemical environment. The experimental values of σ cross section and ηKL are in good agreement with theoretically calculated and other experimental values of pure niobium, but the experimental values of the σ, σ cross sections and Kβ/Kα X-ray intensity ratios have differences for some compounds because valence electrons have different bond distances and binding energies in different compounds.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)