Raman spectrum of rutile: Polarisation studies

Narayanan, P. S. (1953) Raman spectrum of rutile: Polarisation studies Proceedings of the Indian Academy of Sciences, Section A, 37 (3). pp. 411-417. ISSN 0370-0089

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Official URL: http://www.ias.ac.in/j_archive/proca/37/3/411-414/...

Related URL: http://dx.doi.org/10.1007/BF03052659


A study of the intensity and polarisation of the Raman lines of rutile has been made for different orientations of the crystal. The polarisation data show that the Raman line 610 cm.-1 belongs to the totally symmetric mode A1g and the line 444 cm.-1 to the degenerate mode Eg. A calculation of the numerical values of the force constants for rutile taking into account this reassignment reveals that out of the six oxygen atoms which surround any titanium atom, two are bound to it much more strongly than the others.

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