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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 1037-1040 |
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Rahimian H, Shirmardi S P, Mokhtari H. The investigation of optical band gap changes of Eu3+ doped glass and nano glass-ceramics due to electron beam irradiation. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :1037-1040
URL: http://opsi.ir/article-1-1686-en.html
URL: http://opsi.ir/article-1-1686-en.html
1- laser and Optic Research Center, Department of science, Imam Hossein comprehensive University, Tehran, Iran.
2- Radiation Application Research School, Nuclear Science and Technology Research Institute (NSTRI), P.O.Box: 14395-836, Tehran, Iran
3- Department of Physics, Yazd University, Yazd, Iran
2- Radiation Application Research School, Nuclear Science and Technology Research Institute (NSTRI), P.O.Box: 14395-836, Tehran, Iran
3- Department of Physics, Yazd University, Yazd, Iran
Abstract: (1920 Views)
In this research, the optical properties such as optical band gap and Urbach energy of Eu3+ doped glass and nano glass-ceramics (with composition of 64.5P2O5, 35CaF2, 0.1Eu2O3 ) before and after electron beam irradiation with energy 10MeV have been investigated. The absorption of samples was measured in the wavelength range 200 to 1000nm that it shows the formation of color centers in Eu3+ doped glass and nano glass-ceramics. The Tau diagrams indicated that the electron irradiation can reduce the optical band gap and enhance Urbach energy.
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