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Title: Color improvement of rubies by ion beam technique
Authors: S. Intarasiri
D. Bootkul
U. Tippawan
P. Songsiriritthigul
Keywords: Chemistry
Materials Science
Physics and Astronomy
Issue Date: 25-Nov-2016
Abstract: © 2016 Elsevier B.V. Ion implantation technique has been used for improving the quality of natural ruby. The implantation was performed by using 90 keV N2-ion and 50 keV O-ion beams. Either kind of ion species could eliminate tiny inclusions in the ruby as observed from an optical microscope. The red color of the ruby was intensified after O-ion implantation. N2-ion implantation changed the color of red ruby to be violet-red. UV–vis and X-ray absorption spectroscopic techniques were employed for investigating the mechanism behind the optical quality improvement of the ruby. The results from both measurement techniques are reported and discussed.
ISSN: 02578972
Appears in Collections:CMUL: Journal Articles

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