Electricity and Magnetism > Magnetic Materials >
Diamagnetism
DCS# 5G30.45
DIAMAGNETIC
LEVITATION OF GRAPHITE
APPARATUS
thin
piece of pyrolytic graphite
202-20-B
nine
neodymium cube magnets on steel base
202-20-B
video
camera
202-09-D
DESCRIPTION
The magnets are arranged
in a square with poles vertical, alternating poles so the magnet array
stays
together. Pyrolytic graphite is strongly diamagnetic and has a
small
enough density that it can be levitated by the magnets.