The surface structure of Cu,Al and γ Al2O3 have been investigated b y SEELFS and obtained nearest neighbor distances of the central atoms.The value s compared with those calculated according to theories shows that th...The surface structure of Cu,Al and γ Al2O3 have been investigated b y SEELFS and obtained nearest neighbor distances of the central atoms.The value s compared with those calculated according to theories shows that the errors wer e about 0.01－0.03nm before correcting the phase shifts.These results show the p ossibility of performing SEELFS technique by Auger electron spectrometer.展开更多
应用EXAFS类似原理,对不同负载量粉状MgO/γ-Al_2O_3负载型催化剂Mg-K边的SEELFS(Surface Extended Energy Loss Fine Structure)一阶微分谱进行数据处理,得到了Mg-Mg和Mg-O键长。研究发现,MgO在γ-Al_2O_3载体上表面自发单层分散。
文摘The surface structure of Cu,Al and γ Al2O3 have been investigated b y SEELFS and obtained nearest neighbor distances of the central atoms.The value s compared with those calculated according to theories shows that the errors wer e about 0.01－0.03nm before correcting the phase shifts.These results show the p ossibility of performing SEELFS technique by Auger electron spectrometer.
文摘应用EXAFS类似原理,对不同负载量粉状MgO/γ-Al_2O_3负载型催化剂Mg-K边的SEELFS(Surface Extended Energy Loss Fine Structure)一阶微分谱进行数据处理,得到了Mg-Mg和Mg-O键长。研究发现,MgO在γ-Al_2O_3载体上表面自发单层分散。
