نتایج جستجو برای: scanning tunneling microscopy
تعداد نتایج: 306554 فیلتر نتایج به سال:
Abstract Scanning tunneling microscopy (STM) has gained increasing attention in the field of electrocatalysis due to its ability reveal electrocatalyst surface structures down atomic level either ultra-high-vacuum (UHV) or harsh electrochemical conditions. The detailed knowledge structures, electronic active sites as well interaction between adsorbates and electrocatalysts is highly beneficial ...
The diffusion and coarsening of two-dimensional homoepitaxial islands on Cu(100) and Ag(100) surfaces have been studied at room temperature with time-sequenced scanning tunneling microscopy. Quantitative analyses of the dependence of island diffusion coefficient D vs the island side length L, D ~ L , yield noninteger scaling exponents which are consistent with island coalescence. Moreover, the ...
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