The H-atoms are scattered from the surface as well as from deeper layers of the crystal. This is clearly seen in the angular distributions of the back scattered ions. The Ba atoms sit at lattice positions of the Ag(111) substrate. The adsorbate layer contains vacancies to accommodate the ...
time of flight spectra/ H 2 recombinative desorptionAg(111)-H 2translational energy releaseWe have investigated the recombinative desorption of H from Ag(111) using (2 + 1) REMPI to detect the desorbing molecules. We describe a method for determining the energy released into translational ...
检查过程中,民警小廖发现牌照为某省AGH111的机动车有违法嫌疑,引导其驶入人员、物品检查区,检查后未发现违禁物品,遂对乘客张某的身份进行查验。下列查验做法正确的有:(多选)
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The decomposition of C2H5I on Ag(111) has been studied using temperature programmed desorption (TPD), work-function change measurements () and X-ray photoelectron spectroscopy (XPS). Adsorption of C2H5I at 100 K is mostly molecular with little dissociation. C-I bond cleavage starts around ...
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.盘查过程中,民警小廖发现牌照为某省AGH111的机动车有违法嫌疑,引导其驶入人员、物品检查区,检查后未发现违禁物品,遂对乘客张某的身份进行查验。下列查验做法正确的有:A.要求张某出示身份证B.让张某自述本人身份,并留意其反应C.使用居民身份证核查仪对张某进行人证比
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D、氢氧化钡溶液与稀硫酸混合:Ba2++H++OH-+SO42-=BaSO4↓+H2O 试题答案 在线课程 考点:离子方程式的书写 专题:离子反应专题 分析:A.反应生成硝酸铜和Ag; B.Cu与稀硫酸不反应; C.反应生成氯化钠、水、二氧化碳; D.不符合离子的配比. 解答:解:A.铜片插到硝酸银溶液中的离子反应为Cu+2Ag+=Cu2++2Ag...
Ag adsorptionFirst-principles calculationsThe adsorption of a single Ag atom on both clear Si(111)-7 × 7 and 19 hydrogen terminated Si(111)-7 × 7 (hereafter referred as 19H-Si(111)-7 × 7) surfaces has been investigated using first-principles calculations. The results indicated that the...