High-temperature Limit
The temperature of a Debye solid is said to be high if . Using if leads to
This is the Dulong–Petit law, and is fairly accurate although it does not take into account anharmonicity, which causes the heat capacity to rise further. The total heat capacity of the solid, if it is a conductor or semiconductor, may also contain a non-negligible contribution from the electrons.
Read more about this topic: Debye Model
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