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taozhikai

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[资源] nature nanotechnology最新:ZnO nanowires

Ultraviolet semiconductor lasers are widely used for applications
in photonics, information storage, biology and medical therapeutics.
Although the performance of gallium nitride ultraviolet
lasers has improved significantly over the past decade, demand
for lower costs, higher powers and shorter wavelengths has
motivated interest in zinc oxide (ZnO), which has a wide direct
bandgap and a large exciton binding energy1–6. ZnO-based
random lasing has been demonstrated with both optical and
electrical pumping7–10, but random lasers suffer from reduced
output powers, unstable emission spectra and beam divergence.
Here, we demonstrate electrically pumped Fabry–Perot type
waveguide lasing from laser diodes that consist of Sb-doped
p-type ZnO nanowires and n-type ZnO thin films. The diodes
exhibit highly stable lasing at room temperature, and can be
modelled with finite-difference time-domain methods.Electrically pumped waveguide lasing from ZnO nanowires.
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0505131032

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好东西啊 大爱楼主
33楼2011-08-23 16:11:54
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xjzeng

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★★★★★ 五星级,优秀推荐

谢谢,想做氧化锌方面呢
12楼2011-08-05 16:11:22
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meteorabob

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引用回帖:
1楼: Originally posted by taozhikai at 2011-08-05 01:30:45:
Ultraviolet semiconductor lasers are widely used for applications
in photonics, information storage, biology and medical therapeutics.
Although the performance of gallium nitride ultraviolet
las ...

我最近正在关注ZnO基材料的电致发光,多谢楼主!
14楼2011-08-05 22:00:11
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