Determination of the variation of the fluorescence line positions of ruby, strontium tetraborate, alexandrite, and samarium-doped yttrium aluminum garnet with pressure and temperature
作者： Selva Vennila Raju , Joseph M. Zaug , Bin Chen , Jinyuan Yan , Jason W. Knight
DOI: 10.1063/1.3608167
关键词: Strontium 、 X-ray crystallography 、 Chemistry 、 Yttrium 、 Doping 、 Thermocouple 、 Aluminium 、 Analytical chemistry 、 Fluorescence 、 Samarium
摘要: The pressure and temperature dependent fluorescence line-shift of strontium tetraborate has been measured concurrently with x-ray diffraction from the standards sodium chloride or gold. Temperature was found to have a small effect on under pressure. We maximum uncertainty ±1.8 GPa at 25 (7.2%) 857 K when making no correction. line-shifts for ruby, Alexandrite, samarium-doped yttrium aluminum garnet were also determined, using our calibration determine thermocouple measure temperature. Fluorescence measurements extended up 800 ruby Alexandrite. yittrium garnet. ±2.7 (11.1%) correction applied. determined equations relating line position these data, which include cross derivative term account combined present method independently and/or pair optical sensors.
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