Investigation of zinc stannate synthesis using photoacoustic spectroscopy | Zendy

Tamara Ivetić | Zendy; Maria Vesikolić | Zendy; P.M. Nikolić | Zendy; Vladimir Blagojević | Zendy; Stevan W. Djurić | Zendy; Tatjana Srećković | Zendy; Mira Ristić | Zendy

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Investigation of zinc stannate synthesis using photoacoustic spectroscopy

Author(s) -

Tamara Ivetić,

Maria Vesikolić,

P.M. Nikolić,

Vladimir Blagojević,

Stevan W. Djurić,

Tatjana Srećković,

Mira Ristić

Publication year - 2007

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0702153i

Subject(s) - materials science , microstructure , thermal diffusivity , stannate , analytical chemistry (journal) , photoacoustic spectroscopy , isothermal process , scanning electron microscope , phase (matter) , transmission electron microscopy , pellets , ball mill , composite material , zinc , laser , metallurgy , optics , nanotechnology , chemistry , chromatography , physics , organic chemistry , quantum mechanics , thermodynamics

Mixtures of ZnO and SnO2 powders, with molar ratio of 2:1, were mechanically activated for 40, 80 and 160 minutes in a planetary ball mill. The resulting powders were compacted into pellets and non-isothermally sintered up to 1200°C with a heating rate of 5°C/min. X-ray diffraction analysis of obtained powders and sintered samples was performed in order to investigate changes of the phase composition. The microstructure of sintered samples was examined by scanning electron microscopy. The photoacoustic phase and amplitude spectra of sintered samples were measured as a function of the laser beam modulating frequency using a transmission detection configuration. Fitting of experimental data enabled determination of photoacoustic properties including thermal diffusivity. Based on the results obtained a correlation between thermal diffusivity and experimental conditions as well the samples microstructure characteristics was discussed.

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