共搜索到491条信息,每页显示10条信息,共50页。用时:0小时0分0秒437毫秒
Effect of vacancy defects on electronic properties and activation of sphalerite (110) surface by first-principles CHEN Jian-hua(陈建华)1, CHEN Ye(陈 晔)2, LI Yu-qiong(李玉琼)2 1. College of Resources...: The electronic properties of sphalerite (110) surface with Zn-vacancy and S-vacancy were calculated by using density-functional theory, and the effects of vacancy defect on the copper activation of sphalerite were......
Lanthanum Distribution and Oxygen Vacancy Concentration in SrBi4-x Lax Ti4O15 Chen Xiaobing1,Zhu Jun1 (1.College of Physics Science and Technology, Yangzhou University, Yangzhou 225002, China... the La substitution site and the influence of La-doping on the oxygen vacancy concentration. The results suggest that La3+ions behave pronounced site selectivity for the A site in the case of x ≤ 0.10......
Effect of Sm on Gas-Sensing Properties of SnO2 with Different Oxygen Vacancy Concentrations HE Hong1,YE Qing1,WANG Dao1,JIN Jun1,LONG Jie1 (1.Department of Chemistry and Environmental Engineering, Beijing Polytechnic University, Beijing 100022, China) Abstract:The SnO2-x with different oxygen vacancy concentrations was modified by adding Sm. The modified SnO2-x was investigated by means of X......
Annealing behaviors of vacancy in varied neutron irradiated Czochralski silicon CHEN Gui-feng(陈贵锋), LI Yang-xian(李养贤), LIU Li-li(刘丽丽), NIU Ping-juan(牛萍娟), NIU Sheng-li(牛胜利..., Tianjin 300160, China; 3. China Institute of Atomic Energy, Beijing 102413, China Received 10 April 2006; accepted 25 April 2006 Abstract: The difference of annealing behaviors of vacancy-oxygen......
Influences of vacancy defects on thermal conductivities of Ge thin filmsZHANG Xingli and SUN Zhaowei Research Center of Satellite Technology,Harbin Institute of Technology,Harbin 150001,China摘 要:The effects of vacancy defects on the thermal conductivity of Ge thin films were investigated by employing molecular dynamics(MD) simulations and theoretical......
Evidence for Vacancy Injection during the Oxidation of Iron () 摘要:Iron discs have been oxidised at 890 ℃ on one side only, with the other side protected by an inert gas. The scale-metal adhesion was very good. Initially, scale-metal adhesion was maintained by the scale relaxing towards the metal but after a time which depended upon the initial metal thickness, oxide relaxation ceased......
......
without oxygen vacancy are reduced,while those of Fe-and Ni-doped ZnO are raised.This is consistent with the previous experimental results.The effects of oxygen vacancy on the absorptions of the doped systems were predicted.When a neutral oxygen vacancy is introduced,all doping elements decrease the absorptions.On the contrary,the absorptions of the doped systems are enhanced if the vacancies......
Effect of calcination temperature on B-site vacancy content of La0.75Sr0.25Mn0.92△0.08O3-δ perovskiteDenghui Ji1,2,Shuling Wang3,Xingze Ge4,Xinju Xiao1,2,Liwei Wang1,2,Zhiwei Zeng1,2,Congmin... at different calcination temperatures using the sol-gel method. X-ray diffraction shows that as the calcination temperature(TCal) increases, the crystal particle diameter increases, but the B-site vacancy......
Effect of calcination temperature on B-site vacancy content of La0.75Sr0.25Mn0.92△0.08O3-δ perovskiteDenghui Ji1,2,Shuling Wang3,Xingze Ge4,Xinju Xiao1,2,Liwei Wang1,2,Zhiwei Zeng1,2,Congmin... at different calcination temperatures using the sol-gel method. X-ray diffraction shows that as the calcination temperature(TCal) increases, the crystal particle diameter increases, but the B-site vacancy......