Kristallstruktur
Das Bravais-Gitter
Die 14 Bravais-Gitter
Primitive und konventionelle Zelle
fcc
bcc
Kubisches Gitter
fcc-Struktur (face-centered cubic)
a1= a/2(0,1,1)
a2= a/2(1,0,1)
a1= a/2(1,1,0)
bcc-Struktur (body-centered cubic)a1= a/2(-1,1,1)
a2= a/2(1,-1,1)
a1= a/2(1,1,-1)
Wigner-Seitz-Zelle
Zinkblende, Diamant
BaTiO3CsCl
NaCl
Kristallstrukturen
Hexagonal dichteste Kugelpackung
hcp-Struktur (hexagonal close-packed)
2D und 3D-Graphit
Das reziproke Gitter
Brillouin-Zonen
sc fcc
bcc
Hexagonales Gitter
Symbol Description
Γ Center of the Brillouin zone
Face-centered cubicK Middle of an edge joining two hexagonal facesL Center of a hexagonal faceU Middle of an edge joining a hexagonal and a square faceW Corner pointX Center of a square face
Body-centered cubic
H Corner point joining four edges
N Center of a face
P Corner point joining three edges
HexagonalA Center of a hexagonal faceH Corner pointK Middle of an edge joining two rectangular facesL Middle of an edge joining a hexagonal and a rectangular face
M Center of a rectangular face
Ebenen und Richtungen
Bandstruktur von Cu
d-Elektronen
Halbmetalle: Bandstruktur von Bi