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

ÇALIŞKAN B., Caliskan A. C.

Radiation Effects and Defects in Solids, cilt.172, sa.5-6, ss.507-516, 2017 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 172 Sayı: 5-6
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1080/10420150.2017.1346652
  • Dergi Adı: Radiation Effects and Defects in Solids
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.507-516
  • Anahtar Kelimeler: bis(cyclopentadienyl) zirconium dichloride (BCZD), EPR, hyperfine coupling constant, paramagnetic center, radiation damage center, spectroscopic splitting factor
  • Ankara Üniversitesi Adresli: Evet

Özet

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.