光谱学与光谱分析 |
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The Analysis of Natural and Synthetic Ruby by Raman Spectra |
ZU En-dong, SUN Yi-dan, ZHANG Peng-xiang |
Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China |
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Abstract The differentiation of natural and synthetic gems is still a difficult problem in gems identification. The full width at half maximum (FWHM) of Raman spectrum, that is the life-span of phonon, can provide valuable information about.natural or synthetic gem. Analysis of the natural and synthetic ruby was performed by BTR111—785 mini-Raman spectroscopy, and it was found that the FWHM of natural ruby is more than 10 cm-1, withal the FWHM of synthetic ruby is less than 10 cm-1.
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Received: 2009-10-16
Accepted: 2010-01-18
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Corresponding Authors:
ZU En-dong
E-mail: zend88@163.com,zend1000@hotmail.com
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