問い合わせ番号

INS-0000001399

Nucler resonant scattering specrrometers

• Introduction
  
  
  The three different techniques using nuclear resonant scattering are mainly conducted by the following spectrometers.
  
  1. Nuclear inelastic scattering spectrometer
  2. Quasi-elastic spectrometer
  3. Synchrotron Mössbauer spectrometer
  
  

  The optical hatch is equipped with a liquid nitrogen-cooled beamline monochromator, high-resolution monochromators, and a bent cylindrical mirror and the optics suitable for each method and sample is selected. Due to the characteristics of undulators that have strong intensity in a specific energy region, some energy region cannot be used. Those who wish to use nuclides with excitation energies of 8 keV to 14 keV and 28 keV to 43 keV should consider using BL19LXU. If you are considering an experiment using a single-line Mössbauer light source, please contact the person in charge of BL11XU

• Nuclear inelastic scattering spectrometer
    Atomic and molecular dynamics in the meV region can be studied for materials containing isotopes of ⁵⁷Fe, ¹⁵¹Eu、¹⁴⁹Sm、¹¹⁹Sn and ¹⁶¹Dy. Coordination can be investigated through vibrational spectroscopy for metalloenzymes containing ⁵⁷Fe.
  
  
• Quasi-elastic scattering spectrometer
    Atomic and molecular dynamics can be studied on a time scale of nsec to µsec. It is not necessary for the sample to contain isotopes that cause nuclear resonance scattering.
  
  
• Synchrotron Mössbauer spectrometer
    Local electronic states such as valence, magnetism, and coordination can be obtained for materials containing isotopes such as ⁵⁷Fe, ¹⁵¹Eu, ⁶¹Ni, and ¹⁷⁴Yb and so on. The energy-domain and time-domain can be selected according to the experimental conditions. Time domain Mössbauer spectroscopy is achieved by measuring the time spectra with a fast APD detector.