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超級老快木蟲之王 (文學泰斗)
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[求助]
求漢譯英一句話,謝謝大家!
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| 在四面體間的Er3+離子均勻分布在空腔中,但由于高場強、高極化率的Pb2+離子摻入過多,使[SiO4]與[AlO4]四面體畸變,甚至斷裂,使得空腔中的Er3+聚集而產(chǎn)生交叉馳豫和熒光淬滅現(xiàn)象,最終導致Er3+的上轉換紅光增強及發(fā)光效率降低。 |
| The Er3+ cations are equally distributed at the tetrahedral interstitial site. Due to the heavily doped Pb2+, which introduced high field and high polarization into the site, the [SiO4] and [AlO4] tetrahedra are consequently deformed or even start to break. That effect leads to he congregation of Er3+ at the site resulting in cross-relaxation and fluorescence quenching. The entirely process explains the enhancement of the red light conversion and the reduction of light emitting efficiency at Er3+. |
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