Intarasiri S.; Wijaikhum A.; Bootkul D.; Suwannakachorn D.; Tippawan U.; Yu L.D.; Singkarat S.
(2014)
Ion implantation technique was applied as an effective non-toxic treatment of the local Thai natural corundum including sapphires and rubies for the enhancement of essential qualities of the gemstones. Energetic oxygen and ...