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Name: Robert M.
Status: student
Age: 20s
Location: N/A
Country: N/A
Date: 2001-2002
Question:
Why do rare earth magnets produce such a stronger field than ordinary magnets?

Replies:
Rare earth elements have f shell electrons. You might recall that an f shell can accommodate 14 electrons. The f shells is filled initially with all spins pointing in one direction, this is know as Hunds' rule. Having these electrons align give rise to stronger magnetic fields.

Dr. Harold Myron


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