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Structural, Optical, and Chemical Properties of Cadmium Phosphate Glasses

  • Chung, Jae-Yeop (Department of Materials Science and Engineering, Pusan National University) ;
  • Kim, Jong-Hwan (Department of Materials Science and Engineering, Pusan National University) ;
  • Choi, Su-Yeon (Department of Materials Science and Engineering, Pusan National University) ;
  • Park, Hyun-Joon (Department of Materials Science and Engineering, Pusan National University) ;
  • Hwang, Moon-Kyung (Department of Materials Science and Engineering, Pusan National University) ;
  • Jeong, Yoon-Ki (Department of Materials Science and Engineering, Pusan National University) ;
  • Ryu, Bong-Ki (Department of Materials Science and Engineering, Pusan National University)
  • Received : 2015.01.20
  • Accepted : 2015.02.11
  • Published : 2015.03.31

Abstract

In this study, we prepared cadmium phosphate glasses with various compositions, given by $xCdO-(100-x)P_2O_5$ (x = 10-55 mol%), and analyzed their Fourier transform infrared spectra, dissolution rate, thermal expansion coefficient, glass transition temperature, glass softening temperature, and optical band gap. We found that the thermal expansion coefficient and dissolution rate increased while the glass transition temperature and glass softening temperature decreased with increasing CdO content. These results suggest that CdO acts as a network modifier in binary phosphate glass and weakens its structure.

Keywords

Fourier transform infrared spectroscopy;Optical band gap energy;Dissolution rate;Phosphate glass;Non-bridging oxygen;Network modifier

Acknowledgement

Grant : 수송기기 하이테크 소재부품 창의연구인력양성사업단

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