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Author Liu, J. ♦ Vohra, Y. K.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword MATERIALS SCIENCE ♦ DIAMONDS ♦ PHOTOLUMINESCENCE ♦ FLUORESCENCE SPECTROSCOPY ♦ PRESSURE DEPENDENCE ♦ VERY HIGH PRESSURE ♦ X-RAY DIFFRACTION ♦ IMPURITIES ♦ EMISSION SPECTRA ♦ XRD
Abstract We report laser excited fluorescence in high purity synthetic diamond anvil to pressures of 370 GPa in a diamond anvil cell device. The nitrogen impurity level in this diamond is extremely low, and it allows us to study the stress effects on the optical transitions in diamond without interference from impurities. Pressure in the diamond anvil cell was measured by x-ray diffraction using the platinum standard. Pressure dependence of the fluorescence peak was measured between 270 and 370 GPa in the visible spectral range. The variation of excitation laser wavelength shows clear cutoff in the excitation threshold in the 514{endash}633 nm range at 370 GPa. {copyright} {ital 1996 American Institute of Physics.}
ISSN 00036951
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-04-01
Publisher Department Brookhaven National Lab. (BNL), Upton, NY (United States)
Publisher Place United States
Journal Applied Physics Letters
Volume Number 68
Issue Number 15
Organization Brookhaven National Lab. (BNL), Upton, NY (United States)


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