Electron paramagnetic resonance spectral studies on natural sapphire
Reddy, S. Lakshmi , Reddy, K. N. M. , Reddy, N. C. G. , Frost, R. L., & Endo, Tamio (2009) Electron paramagnetic resonance spectral studies on natural sapphire. Molecular Physics, 107(15), pp. 1537-1539.
EPR study of both blue and green sapphire samples confirms the presence of Cr(III) in four different octahedral sites. The g (1.98) value is the same but D values differ for the two the samples. The EPR spectra suggest that the blue sapphire contains more chromium than the green sapphire. No Fe(III) impurity was noted in the EPR spectrum.
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|Item Type:||Journal Article|
|Keywords:||Sapphire, Cr Ions , Octahedral Symmetry, EPR Spectra|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Colloid and Surface Chemistry (030603)|
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Past > Schools > School of Physical & Chemical Sciences
|Copyright Owner:||Copyright 2009 Taylor & Francis|
|Copyright Statement:||This is an electronic version of an article published in Molecular Physics An International Journal at the Interface Between Chemistry and Physics, Volume 107 Issue 15 2009. Molecular Physics is available online at informaworldTM|
|Deposited On:||23 Dec 2009 11:30|
|Last Modified:||01 Mar 2012 00:07|
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