2. Glossary for permanent magnets: definitions and units
2.1 Hysteresis cycles: characteristic points
Let's apply a progressively increasing magnetic field H to a toroidal permanent magnet (H
d
= 0), initially demagnetized and with a temperature below the Curie temperature T
C
. Figure
2
a shows the evolution of the intrinsic characteristics:
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Glossary for permanent magnets: definitions and units
Fundamentals of condensed matter magnetism
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