Two researchers who independently developed the neodymium ... permanent magnets that combined rare-earth elements and iron. “Iron is more abundant, cheaper, and has a stronger magnetic moment ...

Magnets aren't attracted to copper, but when the two come together they can appear to defy gravity. Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets ...

This is referred to as having a high magnetic anisotropy, and is one of the characteristics of strong magnets. Rare-earth metals like neodymium ... in a planetary ball mill; after a few days ...