METALLIC CRYSTALS Except for the actinides, most metals crystallize in body-centered ."bY cubi.c c!9s9 nacked, a1d hgygonal close-packed stmciures, with approximately
equal numbers of each type. In addition, changes in presswe or temperatui" .un changl
TutI metallic crystals from one structure to another- This variability shows that #e
should not think of these metal atoms as hard spheres that pack together in crystals
independent of electronic structure. Instead, the iizes and paiking oiatoms u." fo*"-
what variable. Atoms attract each other at moderate distinces and repel each other
when they are close enough that their electron clouds overlap too mucir. The balance
between these forces, modified by the specific electronic configuration of the atoms,
determines the net forces between them and the structure that is most stable. Simple
geometric calculations alone are not sufficient.
METALLIC CRYSTALS Except for the actinides, most metals crystallize in body-centered ."bY cubi.c c!9s9 nacked, a1d hgygonal close-packed stmciures, with approximately
equal numbers of each type. In addition, changes in presswe or temperatui" .un changl
TutI metallic crystals from one structure to another- This variability shows that #e
should not think of these metal atoms as hard spheres that pack together in crystals
independent of electronic structure. Instead, the iizes and paiking oiatoms u." fo*"-
what variable. Atoms attract each other at moderate distinces and repel each other
when they are close enough that their electron clouds overlap too mucir. The balance
between these forces, modified by the specific electronic configuration of the atoms,
determines the net forces between them and the structure that is most stable. Simple
geometric calculations alone are not sufficient.
การแปล กรุณารอสักครู่..