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EXAFS spectra above Pb and Pt K edges observed at low temperature
Y Nishihata1, J Mizuki, S Emura
1Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute, Mikazuki, Hyogo. yasuon@spring8.or.jp
Journal of Synchrotron Radiation
|August 22, 2001
Abstract:
X-ray absorption spectra near K edges of Pb (88.0keV) and Pt (78.4keV) for the foils were measured in transmission mode at SPring-8. We succeeded for the first time in observing the EXAFS oscillation of the Pb foil at 12K, although it was failed at room temperature in a previous experiment. The amplitude of the EXAFS oscillation of the Pt foil at 12K considerably increased in comparison with that at room temperature, indicating that the amplitude is very sensitive to the Debye-Waller factor at high-k values.