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Application of 57Fe Mössbauer Spectroscopy for the Characterization of Archaeological Pottery of Tamilnadu, India |
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PP: 1-9 |
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doi:10.18576/jrna/010101
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Author(s) |
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G. Raja Annamalai,
R. Ravisankar,
D. Chinni Krishna,
A. Chandrasekaran,
K. Rajan,
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Abstract |
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| This paper report on a study of recently excavated archeological potteries of Tamilnadu using 57Fe Mössbauer spectroscopy and XRD. The Mössbauer spectra were measured at room temperature (RT) of archaeological potteries. During firing, the iron-bearing compounds in clays undergo characteristic changes which depend on kiln temperature and atmosphere. These changes can be observed in the Mossbauer spectra. The recorded Mössbauer spectra were used to derive information about the firing temperatures and the kiln atmosphere on oxidizing/ reducing conditions during firing of potteries was established. The XRD study supports the determination of firing temperature and atmospheric condition prevailed at the time of manufacturing the potteries. The combined method of XRD and Mössbauer spectroscopic techniques revealed the artisans skill in manufacturing different colour of the pottery with atmospheric conditions. |
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