Possible determination of the emission wavelength of active ruby from its temperature. I

Kokhanenko, P. N.; Antipov, A. B.

doi:10.1007/bf00814841

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“…Variations in the peak position and the width and intensity of the ruby R 1 line as a function of temperature have been analyzed in several studies, but the results vary widely (Kokhanenko and Antipov 1969;Barnett et al 1973;Yamaoka et al 1980;Wunder and Schoen 1981;Ragan et al 1992;Yen and Nicol 1992;Goncharov et al 2005). For example, Ragan et al (1992) determined a temperature dependence of 0.158 cm -1 /K from 390-600 K for the R 1 line wavenumber, which was approximately 11% greater than the value of 0.0068 nm/K (equivalent to approximately 0.141 cm -1 /K) that was reported by Barnett et al (1973) and Yamaoka et al (1980).…”

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confidence: 99%

Dependence of R fluorescence lines of rubies on Cr³⁺concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

Gao

Zhao

2015

American Mineralogist

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The R fluorescence lines of rubies that contain 0.022, 0.068, 0.211, 0.279, 0.556, 1.221, and 1.676 wt% of Cr 2 O 3 were measured at temperatures of 100-600 K and at atmospheric pressure. The R 1 line wavenumbers of all of the ruby samples shifted linearly as the temperature increased from 298 to 600 K at atmospheric pressure, and the temperature dependence increased from -0.157 ± 0.001 cm -1 /K to -0.149 ± 0.001 cm -1 /K as the Cr 2 O 3 content in the rubies increased from 0.022 to 1.676 wt%, which suggests a significant dependence on Cr 3+ concentration. At room temperature and atmospheric pressure, the full-width at half maximum (FWHM) of the peak height of the R lines also appears to be linearly related to the Cr 3+ concentration. The relative intensity ratios of the R 2 to R 1 lines (I 2 /I 1 ) of ruby samples with different Cr 3+ concentrations show several non-linear variations with temperature from 100 to 600 K, and the maximum values, (I 2 /I 1 ) max , occur near room temperature. The effect of Cr 3+ doping on the temperature dependence of the R line wavenumbers should be considered when rubies are used to calibrate the pressure or temperature in high-pressure and high-temperature experiments.

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Section: Introductionmentioning

confidence: 99%

Dependence of R fluorescence lines of rubies on Cr³⁺concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

Gao

Zhao

2015

American Mineralogist

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show abstract

Possible determination of the emission wavelength of active ruby from its temperature. I

Cited by 1 publication

References 5 publications

Dependence of R fluorescence lines of rubies on Cr³⁺concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

Dependence of R fluorescence lines of rubies on Cr³⁺concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

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Possible determination of the emission wavelength of active ruby from its temperature. I

Cited by 1 publication

References 5 publications

Dependence of R fluorescence lines of rubies on Cr3+concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

Dependence of R fluorescence lines of rubies on Cr3+concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

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Dependence of R fluorescence lines of rubies on Cr³⁺concentration at various temperatures, with implications for pressure calibrations in experimental apparatus

Dependence of R fluorescence lines of rubies on Cr³⁺concentration at various temperatures, with implications for pressure calibrations in experimental apparatus