Nuclear Physics and Atomic Energy


Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

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Nucl. Phys. At. Energy 2016, volume 17, issue 1, pages 53-58.
Section: Radiation Physics.
Received: 03.03.2016; Accepted: 11.04.2016; Published online: 02.06.2016.
PDF Full text (ua)
https://doi.org/10.15407/jnpae2016.01.053

Study of influence of radiation defects on optical and luminescence properties of CaF2 crystals

V. T. Maslyuk, I. G. Megela, T. O. Viyeru-Vasilitsa*, I. Yu. Roman

Institute of Electron Physics, National Academy of Sciences of Ukraine, Uzhgorod, Ukraine

*Corresponding author. E-mail address: vieru_tanja@mail.ru

Abstract: Influence of electron irradiation with energy of 10 MeV at room temperature to the optical and luminescent properties of CaF2 crystals has been studied. The kinetics of the long-term phosphorescence and thermoluminescence on irradiation intensity and dose was carried out. In irradiated samples, the additional band of the optical absorption was observed which is proportional to the irradiation dose and annealed at 175 °C. Concentration and speed of introduction of absorbing centers in the irradiated crystals has been evaluated.

Keywords: radiation defects, deep levels, internal stress, single crystals of germanium.

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