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关注：1
2013-05-23 12:21
求翻译：GaAs具有直接跃迁型的能带结构，导带底和价带顶之间的光跃迁可以垂直进行，发光效率较高。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
GaAs具有直接跃迁型的能带结构，导带底和价带顶之间的光跃迁可以垂直进行，发光效率较高。
问题补充： |
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2013-05-23 12:21:38
The gaas has a direct transition type band structure, the optical transition between the bottom of conduction band and valence band can be vertical, high luminous efficiency.
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2013-05-23 12:23:18
There is a direct jump GaAs will be able to take the lead, with the bottom and top with the Permian-Triassic Boundary can be vertical, luminous efficiency is high.
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
GaAs with direct transition type band structure, bottom of conduction band and valence band top optical transition between vertical, luminous efficiency is higher.
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2013-05-23 12:28:18
Between GaAs has the direct jump energy structure, the conduction band bottom and the valence band goes against the optical transition to be possible vertical to carry on, the luminous efficiency is high.
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