field B - -
Direction o f . .
electric field E
Emitted fan of Xrays
' 'T"_ Focusing quadrupole
Fig. 4.49 Schematic of a simple storage ring [96J.
Copyright 1993 by I
The basic structural unit of thermally grown silicon dioxide is a silicon ion
surrounded tetrahedrally by four oxygen ions, as illustrated 3 in Fig. 4a. The
silicon-to-oxygen internuclear distance is 1.6 A, and the oxygen-to-oxygen
internuclear distance i