searching for new strong mangets

[electrous]

i am actually searching for strong but light magnets. Every thing is magnet in itself, by using hysteresis loop we can know about magnetic properties of a substances, so i want know how to use hysteresis loop? And i need help for making wings or hands of wind generator which material will suit for io:):rofl:o:)t?

[berkeman]

Welcome to the PF. This article and reference links should get you started:

http://en.wikipedia.org/wiki/Magnets