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The impact of additives on the formation and leaching characteristics of the vitrified slag 会议论文  OAI收割
Joint Conference: International Thermal Treatment Technologies (IT3) and Hazardous Waste Combustors (HWC), Cincinnati, OH, United states, May 18, 2009 - May 21, 2009
作者:  Zhang JL(张金龙);  Li YJ(李要建);  Xu YX(徐永香);  Sheng HZ(盛宏至)
收藏  |  浏览/下载：25/0  |  提交时间：2017/07/14
Effect of interface on luminescence properties in ZnO/MgZnO heterostructures (EI CONFERENCE) 会议论文  OAI收割
Wei Z. P.; Lu Y. M.; Shen D. Z.; Wu C. X.; Zhang Z. Z.; Zhao D. X.; Zhang J. Y.; Fan X. W.
收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25
A set of ZnO/MgZnO heterostructures with well widths  Lw  varying from 2 to 20 nm has been grown by plasma-assisted molecular-beam epitaxy (P-MBE). We present a room-temperature (RT) study of the well-width-dependent photoluminescence (PL) spectra and carrier lifetimes in ZnO/MgZnO heterostructures. Bi-exponential process is seen at RT time-decay curves of the luminescence from the well layers. The fast process is from the recombination of the free exciton  while the slow process is attributing to the recombination of the localized exciton in the interface of ZnO and MgZnO. It is also confirmed from the PL peak shift of time-resolved PL spectra. With decreasing the well thickness  the fast process gradually increases and dominantly contributes to the PL spectrum due to the interface improvement. 2006 Elsevier B.V. All rights reserved.  
Laser intensity effects in photoemission and photoelectron spectra produced in laser-induced autoionisation 期刊论文  OAI收割
j. phys. b-at. mol. opt. phys., 1989, 卷号: 22, 期号: 13, 页码: 2115, 2127
姚关华; 徐至展
收藏  |  浏览/下载：1212/186  |  提交时间：2009/09/18