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dc.contributor.authorS. Intarasirien_US
dc.contributor.authorD. Bootkulen_US
dc.contributor.authorU. Tippawanen_US
dc.contributor.authorP. Songsiriritthigulen_US
dc.description.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.en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleColor improvement of rubies by ion beam techniqueen_US
article.title.sourcetitleSurface and Coatings Technologyen_US
article.volume306en_US Mai Universityen_US Universityen_US University of Technologyen_US
Appears in Collections:CMUL: Journal Articles

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