Thermal and optical properties of CuO–BaO–B2O3–P2O5 glasses |
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| Institution: | 1. Faculty of Engineering Sciences, Kyushu University, 6-1 Kasugakouen, Kasuga 816-8580, Japan;2. Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasugakouen, Kasuga 816-8580, Japan;1. Department of Physics, Indian Institute of Science, Bangalore, India;2. Department of Material Science and Engineering, Lehigh University, Bethlehem, PA, USA;3. Alfred University, New York State College of Ceramics, Alfred, NY, USA;4. Corning Incorporated, Corning, NY, USA;5. Department of Instrumentation, Indian Institute of Science, Bangalore, India;6. Materials Research Centre, Indian Institute of Science, Bangalore, India |
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| Abstract: | CuO-doped barium borophosphate glasses in a series of xCuO–(45 ? x)BaO–10B2O3–45P2O5 in molar ratio with x = 0–15 mol% were prepared by a melt-quenching technique. All the glasses had excellent thermal stability against crystallization. Glass transition temperature, thermal expansion coefficient and molar volume decrease with increasing CuO concentration. The linear relationship between the absorption coefficient and CuO concentration exists for a peak wavelength in the transitions of 2A1g → 2B1g, 2B2g → 2B1g, 2Eg → 2B1g. The relationship between the properties and glass structure evaluated by Raman spectroscopy is discussed. |
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