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浏览/检索结果: 共8条，第1-8条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 The microscopic origin of low thermal conductivity for enhanced thermoelectric performance of Yb doped MgAgSb 期刊论文  OAI收割 ACTA MATERIALIA, 2017, 卷号: 128, 期号: 无, 页码: 227-234 作者:  Liu, Zihang;  Zhang, Yongsheng;  Mao, Jun;  Gao, Weihong;  Wang, Yumei 收藏  |  浏览/下载：34/0  |  提交时间：2018/07/04 Thermoelectric Performance  Dft Calculations  Low Lattice Thermal Conductivity  Mgagsb  Yb Doping   Yb-doped large-mode-area aluminosilicate laser fibre fabricated by chelate precursor doping technique 期刊论文  OAI收割 electronics letters, 2016, 卷号: 52, 期号: 23, 页码: 1942-u42 作者:  Peng, Kun;  Wang, Zhen;  Zhan, Huan;  Ni, Li;  Gao, Cong 收藏  |  浏览/下载：117/0  |  提交时间：2016/11/22 ytterbium  aluminium compounds  doping  optical fibre fabrication  optical fibre testing  electron probe analysis  secondary ion mass spectroscopy  laser beams  optical fibre amplifiers  AlSiO:Yb  power 1 kW  efficiency 81  0 percent  slope efficiency  laser output  two-stage master oscillator power amplifier system  time-of-flight secondary ion mass spectrometry  electron probe microanalysis  fibre testing  numerical aperture  homogeneous large-core preform  gas flow control system  high-purity materials  chelate precursor doping technique  large mode area aluminosilicate laser fibre   Influence of sensitizer concentration on the upconversion luminescence of NaYF4: Yb3+, Er3+ nanoparticles (EI CONFERENCE) 会议论文  OAI收割 2012 2nd International Conference on Machinery, Materials Science and Engineering Applications, MMSE 2012, June 16, 2012 - June 17, 2012, Wuhan, China 作者:  Zhao J.;  Zhao Y.;  Zhao Y.;  Zhao Y. 收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25 A series of NaYF4: Yb3+  Er3+ nanoparticles with different doping concentration were successfully prepared by the combination of coprecipitation and hydrothermal methods using sodium citrate as chelator. Upconversion luminescence can be observed in all of the samples at room temperature. Fixed the Er3+ concentration with 1 mol% unchanged  the effect of the Yb3+ concentration on the upconversion luminescence of NaYF4: Yb3+  Er3+ samples were studied when the doped Yb3+ concentrations were 0 mol%  1 mol%  2 mol%  5 mol%  10 mol% and 20 mol%  respectively. As increasing the Yb 3+ concentration  the total intensity of the upconversion luminescence of the samples is increasing while the ratio of red to green emission increases firstly and then decreases. The maximum ratio value is 22.1 when the Yb3+ concentration is 10 mol%. It is found that the cross relaxation and cooperative sensitization effect are the reasons for the phenomenon above. (2012) Trans Tech Publications.   Mn2+ Dopant-Controlled Synthesis of NaYF4:Yb/Er Upconversion Nanoparticles for in vivo Imaging and Drug Delivery 期刊论文  OAI收割 ADVANCED MATERIALS, 2012, 卷号: 24, 期号: 9, 页码: 1226-1231 作者:  Tian G(田甘);  Gu ZJ(谷战军);  Zhou LJ(周亮君);  Tian, G;  Gu, ZJ 收藏  |  浏览/下载：33/0  |  提交时间：2016/04/08 NaYF4:Yb  Er  Mn2+-doping  single-band red upconversion emission  in vivo imaging  drug delivery   Frequency up-conversion properties of Er3+/Yb3+ co-doped zinc oxide powders 期刊论文  OAI收割 SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 卷号: 28, 页码: 1473-1478 作者:  Wu Qun;  Yang Li-wen;  Liu Yun-xin;  Xu Chang-fu;  Shang Zhen-gang   |  收藏  |  浏览/下载：22/0  |  提交时间：2018/05/31 up-conversion  Er3+/Yb3+ co-doping  ZnO   Influence of Yb3+ content on microstructure and fluorescence of oxyfluoride glass ceramics containing LaF3 nano-crystals 期刊论文  OAI收割 Materials Chemistry and Physics, 2007, 卷号: 101, 期号: 2-3, 页码: 464-469 D. Q. Chen; Y. S. Wang; Y. L. Yu; E. Ma 收藏  |  浏览/下载：28/0  |  提交时间：2013/04/01 oxyfluoride glass ceramic  nano-crystals  Yb3+ doping  fluorescence  spectroscopic properties  up-conversion  transparent  ions  crystallization  dependence  laser  er3+   Yb掺杂的YAlO&lt3/sub>单晶体的温梯法生长和光谱性能 期刊论文  OAI收割 J. Cryst. Growth, 2005, 卷号: 280, 期号: 3~4, 页码: 483, 489 赵广军; Li HJ; Zhu J; Jie MY; 何晓明; Xu J 收藏  |  浏览/下载：1526/261  |  提交时间：2009/09/24 TGT growth  Yb : YAP  Yb3+ doping   Nd3+/Yb3+共掺玻璃光纤的激光特性研究 学位论文  OAI收割 作者:  林治全   |  收藏  |  浏览/下载：34/0  |  提交时间：2018/12/26 Nd3+/Yb3+共掺  Nd3+/Yb3+ co-doping  能量传递抑制现象  energy-transfer suppressing effect  宽增益  broad gain bandwidth  1μm双波长光纤激光  1 μm dual-wavelength fiber laser