“extrinsic photoconductivity”的概念、定义、翻译、参考文献-科学参考

单词	extrinsic photoconductivity
释义	extrinsic photoconductivity [ek¦strinz·ik ´fō·dō·kän·dǝk`tiv·ǝd·ē] ^ELECTRONICS Photoconductivity that occurs for photon energies smaller than the band gap and corresponds to optical excitation from an occupied imperfection level to the conduction band, or to an unoccupied imperfection level from the valence band, of a material.
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