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Measurement of R Line Fluorescence in Ruby Using the Diamond Anvil Cell at Low Temperature |
| XU Li-Wen;CHE Rong-Zheng;JIN Chang-Qing |
| Institute of Physics and Center for Condensed Matter, Chinese Academy of Sciences, Beijing 100080 |
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| Cite this article: |
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XU Li-Wen, CHE Rong-Zheng, JIN Chang-Qing 2000 Chin. Phys. Lett. 17 555-557 |
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Abstract Using our custom-built high-pressure cryostat we have performed the measurements of the R line fluorescence of ruby in the diamond anvil cell from room temperature down to 90K. The maximum pressure was 11.1 GPa. By computer curve fitting, different equations have been found for functions of wavenumber versus temperature between ambient pressure and 2.7GPa. The changes of the shape and linewidth of R lines were observed.
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| Keywords:
07.35.+k
07.20.Mc
78.90.+t
81.40.Vw
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Published: 01 August 2000
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| PACS: |
07.35.+k
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(High-pressure apparatus; shock tubes; diamond anvil cells)
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07.20.Mc
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(Cryogenics; refrigerators, low-temperature detectors, and other low-temperature equipment)
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78.90.+t
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(Other topics in optical properties, condensed matter spectroscopy and other interactions of particles and radiation with condensed matter)
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81.40.Vw
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(Pressure treatment)
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