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Expressing Raman spectral details through a Raman parameter information diagram

Abstract

A handy diagram—the Raman parameter information diagram, or “RAPID”—is proposed here, which can be used for listing spectral parameters associated with a Raman spectrum. It is demonstrated how, by drawing simple shapes such as lines and triangles, it becomes possible to easily express various findings in a Raman spectrum, for example red- (or blue-)shift, asymmetry, broadening, and antiresonance. It will also be explained how, by following a simple protocol, the non-ambiguous identification of Raman spectral features is made easier in pictorial form. The proposed diagram may prove to be a good tool in the field of Raman spectroscopy. Although it is proposed for Raman spectra, RAPID can be used to represent features of any spectra.

Graphical abstract

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Fig. 1

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Acknowledgements

Support from the Department of Science and Technology (DST), Govt. of India, under the FIST Scheme with grant number SR/FST/PSI-225/2016 is gratefully acknowledged. The author is thankful to Dr. S.K. Saxena, Dr. P. Yogi, Mr. Devesh, Ms. Anjali and Ms. Manushree for useful discussions.

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Correspondence to Rajesh Kumar.

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Kumar, R. Expressing Raman spectral details through a Raman parameter information diagram. ChemTexts 5, 14 (2019). https://doi.org/10.1007/s40828-019-0089-0

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Keywords

  • Raman scattering
  • Spectral line-shape
  • Raman parameters
  • RAPID