X-Git-Url: https://hackdaworld.org/gitweb/?p=lectures%2Flatex.git;a=blobdiff_plain;f=posic%2Fthesis%2Fsic.tex;h=631f3b7dcd803754994eaf05d965a344d6fb1f9a;hp=8d7ac2c8d966f5cd0d013d9e3212c4a9624e62ee;hb=a59b8f7e1388e9f1289cacbfaa0ae9e898759ac4;hpb=cd4a800ff86da3ff4d0db6906fd615d968ad8213 diff --git a/posic/thesis/sic.tex b/posic/thesis/sic.tex index 8d7ac2c..631f3b7 100644 --- a/posic/thesis/sic.tex +++ b/posic/thesis/sic.tex @@ -12,7 +12,7 @@ It is extremely rare and almost impossible to find in nature. \subsection{SiC polytypes} Each of the four sp$^3$ hybridized orbitals of the Si atom overlaps with one of the four sp$^3$ hybridized orbitals of the four surrounding C atoms and vice versa. -This results in fourfold coordinated covalent $\sigma$ bond of equal length and strength for each atom with its neighbours. +This results in fourfold coordinated covalent $\sigma$ bonds of equal length and strength for each atom with its neighbours. Although the local order of Si and C next neighbour atoms characterized by the tetrahedral bonding is the same, more than 250 different types of structures called polytypes of SiC exist \cite{fischer90}. The polytypes differ in the one-dimensional stacking sequence of identical, closed-packed SiC bilayers. @@ -22,6 +22,7 @@ The polytypes differ in the one-dimensional stacking sequence of identical, clos \section{Ion beam synthesis of cubic silicon carbide} \section{Assumed precipitation mechanism of cubic silicon carbide in silicon} +\label{section:assumed_prec} \section{Substoichiometric concentrations of carbon in crystalline silicon}