EPR study of γ-irradiated tetra-N-butylammonium iodide

The electron paramagnetic resonance of γ -irradiated single crystal of tetra-N-butylammonium iodide has been studied for different orientations of the crystals in a magnetic field. The radical produced by gamma irradiation has been investigated at 300 K. The spectra were found to be magnetic field d...

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Bibliographic Details
Published in:Radiation effects and defects in solids 2012-03, Vol.167 (3), p.179-183
Main Authors: Merdan, Mehmet Ali, Aşik, Biray, Birey, Mehmet, Aras, Erdal
Format: Article
Language:English
Subjects:
Constants
Electron paramagnetic resonance
EPR
g-value
hyperfine coupling
Iodides
Joining
Magnetic fields
Mathematical analysis
radiation damage
radical
Radicals
Tensors
tetra-N-butylammonium iodide
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Summary:The electron paramagnetic resonance of γ -irradiated single crystal of tetra-N-butylammonium iodide has been studied for different orientations of the crystals in a magnetic field. The radical produced by gamma irradiation has been investigated at 300 K. The spectra were found to be magnetic field dependent and radiation damage centers were attributed to the (C α H 2 C β H 2 C γ H 2 CH 3 ) radical. The principal values of the hyperfine coupling tensor of the unpaired electron with these atoms and the principal values of the g tensor were determined and the hyperfine coupling constants were verified by computer simulation. The results were found to be in good agreement with the existing literature data and theoretical predictions.
ISSN:1042-0150
1029-4953
DOI:10.1080/10420150.2011.632635