2005/05/13 | 热电[Pyroelectricity]
类别(Ω〖物理〗) | 评论(0) | 阅读(36) | 发表于 20:27
Pyroelectricity is a migration of positive and negative charge (and therefore establishment of electric polarization) to opposite ends of a crystal's polar axis as a result of a change in temperature. Primary pyroelectricity is seen in 10 crystal classes, but a weaker effect in observed in all crystals having a polar axis.
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