@inproceedings{escidoc:0661, title = {{Defects distribution of Pr2Fe14B hard magnetic magnet from amorphous to nanostructures characterized by positron annihilation spectroscopy}}, author = {Wu, Y. C. and Sprengel, W. and Reimann, K. and Reichle, K. J. and Goll, D. and W\"urschum, R. and Schaefer, H. E.}, booktitle = {{PRICM 5. Proceedings of the Fifth Pacific RIM International Conference on Advanced Materials and Processing}}, volume = {475-479}, pages = {2123--2126}, series = {{Materials Science Forum}}, publisher = {Trans Tech}, address = {Beijing, China}, year = {2005}, doi = {} }