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|Title:||Optical spectroscopic investigations of neodymium and erbium added bismuth silicate glasses|
|Keywords:||Engineering;Materials Science;Physics and Astronomy|
|Abstract:||© 2018 Elsevier GmbH The bismuth silicate glasses with the composition of 60% by mole of silica and 40% by mole of bismuth oxide were prepared with neodymium and erbium added at 0.1, 0.3, 0.5 and 1 at%. The glasses were melted and the measurement in terms of transmittance was used to analyze absorbance and energy band gap from optical spectra. Neodymium changed the bismuth silicate glass to dark violet color and erbium decolorized the glass with a small addition and turned to light pink when the concentration increased. Transmittance and absorption of glasses changed with the amount of dopant. The major absorption peaks of neodymium added were at 520 and 560 nm and erbium characteristic absorption peaks at 480, 525 and 650 nm.|
|Appears in Collections:||CMUL: Journal Articles|
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