Revelation of causes of colour change in beryllium-treated sapphires

• Main Authors: Pichet Limsuwan, Siwaporn Meejoo, Asanee Somdee, Kheamrutai Thamaphat, Treedej Kittiauchawal, Atitaya Siripinyanond, Jurek Krzystck
• 其他作者: King Mongkuts University of Technology Thonburi
• 格式: Article
• 出版: 2018
• 主題: Physics and Astronomy
• 在線閱讀: https://repository.li.mahidol.ac.th/handle/123456789/19893
• 機構: Mahidol University

Blue sapphires are treated with Be in oxidizing atmosphere to change the blue colour into yellow. Untreated and Be-treated samples are examined using laser ablation inductively coupled-plasma-mass spectrometry (LA-ICP-MS), electron spin resonance (ESR) and ultraviolet-visible (UV-vis) spectroscopy....