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EPR study of free radical in gamma-irradiated bis(cyclopentadienyl)zirconium dichloride single crystal |
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| Authors: | Betul Caliskan Ali Cengiz Caliskan |
| Affiliation: | 1. Department of Physics, Faculty of Arts and Science, Pamukkale University, Denizli, Turkey;2. Department of Chemistry, Faculty of Science, Gazi University, Ankara, Turkey |
| Abstract: | Bis(cyclopentadienyl)zirconium dichloride (BCZD; zirconocene dichloride) single crystals were exposed to 60Co-γ irradiation at room temperature. The irradiated single crystals were investigated between 125 and 470?K by electron paramagnetic resonance spectroscopy. The spectra of the crystals were found to be temperature independent. The paramagnetic center was attributed to the cyclopentadienyl radical. The g values of the radiation damage center observed in BCZD single crystal and the hyperfine structure constants of the free electron with nearby protons were obtained. |
| Keywords: | EPR bis(cyclopentadienyl) zirconium dichloride (BCZD) radiation damage center paramagnetic center hyperfine coupling constant spectroscopic splitting factor |