EXAFS MEASUREMENT OF METALLIC GLASS Cu_(70)Ti_(30) ATOMIC NEIGHBOURING STRUCTURE

Copper K edge EXAFS spectrum of the metallic glass Cu_(70)Ti_(30) has been measured using RU-1000 rotating anode X-ray system with goniometer. Data analysis has processed based on the EXAFS analysis program package written in the authors' laboratory. The distances, coordination numbers and Debye-Waller factors between Cu atoms and neighbouring atoms are determined by fitting the experimental data with theoretical phase and backscattering amplitude. The chemical short range order and the atomic neighbouring structure feature of metallic glass Cu_(70)Ti_(30) have been discussed.