EPR study of free radical in gamma-irradiated bis(cyclopentadienyl)zirconium dichloride single crystal

被引:10
作者
Caliskan, Betul [1 ]
Caliskan, Ali Cengiz [2 ]
机构
[1] Pamukkale Univ, Fac Arts & Sci, Dept Phys, Denizli, Turkey
[2] Gazi Univ, Dept Chem, Fac Sci, Ankara, Turkey
来源
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2017年 / 172卷 / 5-6期
关键词
EPR; bis(cyclopentadienyl)zirconium dichloride (BCZD); radiation damage center; paramagnetic center; hyperfine coupling constant; spectroscopic splitting factor; ELECTRON-SPIN-RESONANCE; MIXED-SANDWICH COMPOUNDS; CYCLOPENTADIENYL RADICALS; HYDROCARBON RADICALS; RING INVERSION; ESR-SPECTRA; CYCLOHEXADIENYL; CYCLOHEPTATRIENYL; DEGENERACY; PHOTOLYSIS;
D O I
10.1080/10420150.2017.1346652
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
Bis(cyclopentadienyl) zirconium dichloride (BCZD; zirconocene dichloride) single crystals were exposed to Co-60-gamma. 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.
引用
收藏
页码:507 / 516
页数:10
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