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单词 Schottky anomaly
释义

Schottky anomaly

英语百科

Schottky anomaly

Schottky anomalous heat capacity for a two-level system. T is the absolute temperature, k is the Boltzmann constant and E is the energy difference between the levels.

The Schottky anomaly is an observed effect in solid state physics where the specific heat capacity of a solid at low temperature has a peak. It is called anomalous because the heat capacity usually increases with temperature, or stays constant. It occurs in systems with a limited number of energy levels so that E(T) increases with sharp steps, one for each energy level that becomes available. Since Cv =(dE/dT), it will experience a large peak as the temperature crosses over from one step to the next.

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