Affiliation: | (1) Centre for Electron Microscopy, Tampere University of Technology, P.O. Box 589, FIN-33101 Tampere, Finland;(2) Department of Materials, University of Oxford, Parks Road, OX1 3PH Oxford, UK;(3) Institute of Materials Science, Tampere University of Technology, P.O. Box 589, FIN-33101 Tampere, Finland;(4) Present address: Høgskolen i Stavanger, Ullandhaug, P.O. Box 2557, N-4004 Stavanger, Norway |