Combined FTIR and SEM-EDS study of Bi2O3 doped ZnO-SnO2 ceramics
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Nikolić, Maria Vesna
Paraskevopoulos, Konstantinos M.
Zorba, Triantafyllia T.
Nikolić, Pantelija M.
Ristić, Momčilo M.
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The effects of Bi2O3 addition on the phase composition, microstructure and optical properties of ZnO-SnO2 ceramics were investigated. Starting powders of ZnO and SnO2 were mixed in the molar ratio 2:1. After adding Bi2O3 (1.0 mol.%) this mixture was mechanically activated for 10 min in a planetary ball mill, uniaxially pressed and sintered at 1300°C for 2 h. Far-infrared reflection spectra were measured (100-1000 cm-1). To investigate the occurred differences in FTIR spectra, the Bi2O3-doped sample was examined more carefully with a Perkin-Elmer FTIR spectrometer (Perkin Elmer, Waltham, MA, USA) connected with a Perkin-Elmer FTIR microscope and itemized points of interest were also studied with SEM-EDS. © 2008 The Authors.
Кључне речи:FTIR / SEM-EDS / zinc stannate / ZnO-SnO2 ceramics
Извор:Journal of Microscopy, 2008, 232, 3, 498-503