Institute for Photon Science and Synchrotron Radiation;
Karlsruhe Institute of Technology;
Karlsruhe D-76021;
Germany;
Department of Technical ChemistryⅠand Center for Nanointegration Duisburg-Essen;
University of Duisburg-Essen;
Essen D-45141;
Germany;
Fraunhofer Institute for High-Speed Dynamics;
Ernst-Mach-Institute(EMI);
Freiburg 79104;
Germany;
laser ablation in liquids; elemental speciation; X-ray absorption spectroscopy; oxidation; zinc oxide nanoparticles;