Witryna14 kwi 2024 · The obtained information here enriches understanding of the effects of impurity segregation at liquid metal/solid interfaces, and further helps manipulate … Witryna4 cze 1998 · Segregation and transport coefficients of impurities at the Si/SiO 2 interface have been studied. A brief model has been proposed which relates the two …
Revealing the role of Σ3{112} Si grain boundary local structures in ...
Witryna1 sie 2001 · One of our major goals in this study was to investigate the size effect on segregation of an impurity to distinct sites at the grain boundary. Therefore we have selected the Ag as an impurity in Cu and Cu as an impurity in Al. The latter one is of special interest for applications like interconnects in microcircuits, where one of the … Witryna9 lip 2024 · The equilibrium segregation of impurities at the melt–solid interface during silicon crystallization is a key factor in determining the impurity concentration and distribution in the crystal. Unfortunately, this property is difficult to measure experimentally due to the presence of complex transport physics in the melt. how to sign up for social security part b
A mechanistic study of impurity segregation at silicon grain …
WitrynaImpurity segregation at theAl 2 O 3 -metal interface of Fe-Cr-Aland Fe-Cr-Al-Y alloys oxidized at 1100°C was studiedusing Auger electron spectroscopy (AES). A strong sulfursegregation of the order of a monolayer was found at the contactoxide-metal interface on the yttrium-free alloy, whilealmost no sulfur was detected at the interface … Witryna1 paź 2024 · Impurity segregation in ZrO 2 and HfO 2 GBs 3.2.1. Divalent impurities To determine the preferred positions of relevant substitutional impurities in the ZrO 2 and HfO 2 GBs, we built a series of structures by creating substitutional defects at each non-equivalent cation sublattice site (i.e. X@Zr or X@Hf substitutional doping). Witryna6 kwi 2016 · impurities segregate more at GBs than within grains during solidi fi cation of mc-Si, which is possibly explained as due to the peculiar geometry of the solid − liquid interface at the GB. nouthe