Purple Coloured Natural Ruby: X-ray Photoelectron Spectroscopy, X-ray Diffraction, X-ray Tomography and Other Microstructural Characterizations

Authors

  • Bijan Bihari Nayak CSIR-Institute of Minerals and Materials Technology, Bhubaneswar-751013, Odisha, India
  • Tapan Dash CSIR-Institute of Minerals and Materials Technology, Bhubaneswar-751013, Odisha, India
  • Barada Kanta Mishra CSIR-Institute of Minerals and Materials Technology, Bhubaneswar-751013, Odisha, India

Keywords:

Purple Coloured Ruby, XRD, XPS, X-ray Micro CT, Inter-Valence Charge Transfer, Microstructure, Ti3 , Fe3 , Cr3 , UV-Vis Spectra.

Abstract

Purple coloured natural ruby has been studied by surface sensitive tool like XPS supported by XRD, X-ray tomography (micro CT), FESEM, TEM and EDS. While XPS and EDS established the presence of transitional elements like Cr, Fe, Ti, the phases, morphologies and microstructures were studied by XRD, FESEM and TEM. X-ray micro CT provided non-destructive insights into the morpho-structural state of sample. UV-Vis and FTIR spectra of the ruby, recorded both in absorbance and reflectance mode, confirmed the occurrence of the above transitional elements contributing to typical colour display. Core level spectra of Cr, Fe, Ti, Al and O studied by XPS identified the ionic states of the elements.

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Published

2016-02-05

How to Cite

Nayak, B. B., Dash, T., & Mishra, B. K. (2016). Purple Coloured Natural Ruby: X-ray Photoelectron Spectroscopy, X-ray Diffraction, X-ray Tomography and Other Microstructural Characterizations. International Journal of Sciences: Basic and Applied Research (IJSBAR), 25(2), 94–114. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5123

Issue

Vol. 25 No. 2 (2016)

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Articles

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