J. Phys. IV France 7 (1997) C2-255-C2-256
Pair-Potentials of Ge and CuBr Determined by EXAFSO. Kamishima1, T. Ishii2, A. Yoshiasa3, H. Maeda1 and S. Kashino1
1 Faculty of Science, Okayama University, Okayama 700, Japan
2 Faculty of'Engineering, Okayama University, Okayama 700, Japan
3 Faculty of Science, Osaka University, Toyonaka 560, Japan
The EXAFS function is directly estimated by the numerical integration in order to determine a precise anharmonic pair potential without utilizing a cumulant expansion. Ge (Ge K-edge) and CuBr (Cu K-edge) selected as weak and strong anharmonic materials, respectively, were investigated to compare differences of potential values determined by the present integral method and the conventional cumulant method.
© EDP Sciences 1997