crystal faces

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simple cubic(110) simple cubic(111) fcc(110) fcc(111) bcc(110) bcc(111) simple cubic(100) hcp(0001) fcc(100) hcp(11 - 20) bcc(100) hcp(10 - 10) simple cubic(110) simple cubic(111) fcc(110) fcc(111) bcc(110) bcc(111) simple cubic(100) hcp(0001) fcc(100) hcp(11 - 20) bcc(100) hcp(10 - 10) MENU Surface Structures Diffraction Patterns Introduction Introduction © Eckart Hasselbrink, Sabrina Tauchmann, Essen, 2006

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Page 1: Crystal faces

simple cubic(110) simple cubic(111)

fcc(110) fcc(111)

bcc(110) bcc(111)

simple cubic(100) hcp(0001)

fcc(100) hcp(11-20)

bcc(100) hcp(10-10)

simple cubic(110) simple cubic(111)

fcc(110) fcc(111)

bcc(110) bcc(111)

simple cubic(100) hcp(0001)

fcc(100) hcp(11-20)

bcc(100) hcp(10-10)

MENU

Surface Structures Diffraction Patterns

Introduction Introduction

© Eckart Hasselbrink, Sabrina Tauchmann, Essen, 2006

Page 2: Crystal faces

simple cubic(110)

y-Plane Cross-Section

x-Plane Cross-Section

Y

X

- Surface view a = unit cell length

Menu

Diffraction Pattern

Page 3: Crystal faces

Simple Cubic(110)

(00) (10)

Diffraction Pattern

1/a

(-11) (01) (11)

(-10)

(-1-1) (0

-1) (1

-1)

√2/a

Page 4: Crystal faces

fcc(110) - Surface view

Cross-Sectional View

[110]

[001]

a = unit cell lengtha

[-110]

[0-11]

a√2

Menu Overlayers

Diffraction Pattern

[002]

Page 5: Crystal faces

fcc(110)

Diffraction Pattern

(-11) (01) (11)

(-1-1) (0

-1) (1

-1)

(-10) (00) (10)

1/a

√2/a

Page 6: Crystal faces

bcc(110) - Surface view

[110]

a = unit cell length

[1-10]

[001]

Cross-Sectional View

[-1-10]

a

a√2

Menu Overlayers

Diffraction Pattern

[001]

Page 7: Crystal faces

bcc(110)

Diffraction Pattern

1/a

√2/a

Page 8: Crystal faces

simple cubic(100)

Cross-Sectional View

- Surface viewa = unit cell length

a

a

Menu

Diffraction Pattern

Page 9: Crystal faces

simple cubic(100)

(-11) (01) (11)

(10)

Diffraction Pattern

1/a

(-10) (00)

(-1-1) (0

-1) (1

-1)

1/a

Page 10: Crystal faces

fcc(100)

Cross-Sectional View

- Surface viewa = unit cell length

[100]

[0-11]

[-1-10][0

-11]

a√2

a√2

Menu Overlayers

Diffraction Pattern

[011]

Page 11: Crystal faces

fcc(100)

(-11) (01) (11)

(10)

Diffraction Pattern

(-10) (00)

(-1-1) (0

-1) (1

-1)

√2/a

√2/a

Page 12: Crystal faces

bcc(100) - Surface viewa = unit cell length

[100]

[001]

[-111]

a

a [001]

[010]

Menu Overlayers

Diffraction Pattern

Page 13: Crystal faces

bcc(100)

(-11) (01) (11)

(10)

Diffraction Pattern

1/a

(-10) (00)

(-1-1) (0

-1) (1

-1)

1/a

Page 14: Crystal faces

simple cubic(111) - Surface viewa = unit cell length

a√2

a√2

Menu

Diffraction Pattern

Page 15: Crystal faces

simple cubic(111)

Diffraction Pattern

√2/a

√2/a

Page 16: Crystal faces

fcc(111)

Cross-Sectional View

- Surface viewa = unit cell length

[111]

[1-10]

[-10

-1]

[10-1]

[1-21]

a√2

Menu

Diffraction Pattern

Page 17: Crystal faces

fcc(111)

Diffraction Pattern

(-1-1) (0

-1) (1

-1)

(-11) (01) (11)

(-10) (00) (10)

√(8/3)/a

Page 18: Crystal faces

bcc(111)

Cross-Sectional View

- Surface viewa = unit cell length

[111]

[-1-12]

[-1-12]

[-1-11]

[1-10]

[0-22]

Menu

Diffraction Pattern

Page 19: Crystal faces

bcc(111)

Diffraction Pattern

Page 20: Crystal faces

hcp(0001)

Cross-Sectional View

- Surface viewa = unit cell length

[0001][01

-10]

[1-100]

[10-10]

[11-20]

[1-100]

1/6[-2203]

Menu

Diffraction Pattern

Page 21: Crystal faces

hcp(0001)

Diffraction Pattern

(-1-1) (0

-1) (1

-1)

(-11) (01) (11)

(-10) (00) (10)

Page 22: Crystal faces

hcp(1-120)a = unit cell length

[0001]

[1-100]

Menu

Diffraction Pattern

Page 23: Crystal faces

hcp(11-20)

Diffraction Pattern

Page 24: Crystal faces

hcp(10-10) - Surface viewa = unit cell length

Cross-sectional view-

Menu

Diffraction Pattern

Page 25: Crystal faces

hcp(10-10)

Diffraction Pattern

Page 26: Crystal faces

fcc(110) + hollow adatom fcc(110) +short-bridge adatom

fcc(110) +long-bridge adatom crystal face

fcc(110) - Overlayer Structures

Page 27: Crystal faces

bcc(110) - Overlayer Structures

bcc(110) + 3-fold adatom bcc(110) + centre adatom

crystal face

Page 28: Crystal faces

fcc(100) - Overlayer Structures

fcc(100) + hollow adatom

crystal face

Page 29: Crystal faces

bcc(100) - Overlayer Structures

bcc(100) + hollow adatom crystal face