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Introduction
Surface Structures
Introduction
Diffraction Patterns
simple cubic(110)
simple cubic(111)
simple cubic(110)
simple cubic(111)
fcc(110)
fcc(111)
fcc(110)
fcc(111)
bcc(110)
bcc(111)
bcc(110)
bcc(111)
simple cubic(100)
hcp(0001)
simple cubic(100)
hcp(0001)
fcc(100)
hcp(1120)
fcc(100)
hcp(1120)
bcc(100)
hcp(1010)
bcc(100)
hcp(1010)
© Eckart Hasselbrink, Sabrina Tauchmann, Essen, 2006
simple cubic(110)
- Surface view
Diffraction Pattern
a = unit cell length
Y
y-Plane Cross-Section
X
Menu
x-Plane Cross-Section
Simple Cubic(110)
(11)
(01)
(11)
(10)
(00)
(10)
-(11)
(01)
(11)
√2/a
1/a
Diffraction Pattern
fcc(110)
Diffraction Pattern
- Surface view
a = unit cell length
a
a√2
[110]
[110]
[001]
[002]
[011]
Cross-Sectional View
Menu
Overlayers
fcc(110)
(11)
(01)
(11)
(10)
(00)
(10)
-(11)
(01)
(11)
√2/a
1/a
Diffraction Pattern
bcc(110) - Surface view
Diffraction Pattern
a = unit cell length
a√2
[110]
[110]
[001]
a
[001]
-[110]
Cross-Sectional View
Menu
Overlayers
bcc(110)
√2/a
1/a
Diffraction Pattern
simple cubic(100)
- Surface view
Diffraction Pattern
a = unit cell length
a
a
Cross-Sectional View
Menu
simple cubic(100)
(11)
(01)
(11)
(10)
(00)
(10)
-(11)
(01)
(11)
1/a
1/a
Diffraction Pattern
fcc(100)
Diffraction Pattern
- Surface view
a = unit cell length
a√2
[100]
[011]
a√2
[011]
[011]
-[110]
Cross-Sectional View
Menu
Overlayers
fcc(100)
(11)
(01)
(11)
(10)
(00)
(10)
-(11)
(01)
(11)
√2/a
√2/a
Diffraction Pattern
bcc(100) - Surface view
Diffraction Pattern
a = unit cell length
a
[100]
[010]
[001]
a
[001]
[111]
Menu
Overlayers
bcc(100)
(11)
(01)
(11)
(10)
(00)
(10)
-(11)
(01)
(11)
1/a
1/a
Diffraction Pattern
simple cubic(111)
- Surface view
Diffraction Pattern
a = unit cell length
a√2
a√2
Menu
simple cubic(111)
√2/a
√2/a
Diffraction Pattern
fcc(111)
Diffraction Pattern
- Surface view
a = unit cell length
a√2
[101]
[111]
[110]
[121]
- [101]
Cross-Sectional View
Menu
fcc(111)
(11)
(10)
-(11)
(01)
(00)
(01)
(11)
(10)
(11)
√(8/3)/a
Diffraction Pattern
bcc(111) - Surface view
Diffraction Pattern
a = unit cell length
[111]
[110]
[022]
-[112]
-[111]
Cross-Sectional View
Menu
-[112]
bcc(111)
Diffraction Pattern
hcp(0001)
Diffraction Pattern
- Surface view
a = unit cell length
[1120]
[1010]
[0110]
[0001]
[1100]
[1100]
1/6[2203]
Cross-Sectional View
Menu
hcp(0001)
(11)
(10)
-(11)
(01)
(00)
(01)
(11)
(10)
(11)
Diffraction Pattern
hcp(1120)
Diffraction Pattern
a = unit cell length
[0001]
[1100]
Menu
hcp(1120)
Diffraction Pattern
hcp(1010)
- Surface view
Diffraction Pattern
a = unit cell length
Cross-sectional view-
Menu
hcp(1010)
Diffraction Pattern
fcc(110) - Overlayer Structures
fcc(110) + hollow adatom
fcc(110) +
fcc(110) +
short-bridge adatom long-bridge adatom
crystal face
bcc(110) - Overlayer Structures
bcc(110) + 3-fold adatom
bcc(110) + centre adatom
crystal face
fcc(100) - Overlayer Structures
fcc(100) + hollow adatom
crystal face
bcc(100) - Overlayer Structures
bcc(100) + hollow adatom
crystal face