IPCMS,UMR 7504 CNRS,Strasbourg,France;
Ecole Nationale Supérieure Polytechnique(National Advanced School of Engineering),Department of Mathematics and Physical Sciences,The University of YaoundéI,Yaounde,Cameroon;
Physics Department,Faculty of Science,University of YaoundéI,Yaounde,Cameroon;
Physics Department,Faculty of Science,University of Douala,Douala,Cameroon;
LURE,UMR CNRS,Centre Universitaire Paris Sud,Orsay,France;
X-Ray Absorption Spectroscopy; Carbon Nanostructures(CNTs,CNFs,CNWs,CNPs); Plasma-and Hot Filaments-Enhanced Catalytic Chemical Vapor Deposition; Geometrical Model; Angular Dependence;