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### Transcript of Crystal faces

Introduction

Introduction

Surface Structuressimple cubic(110) fcc(110) bcc(110) simple cubic(100) fcc(100) bcc(100) simple cubic(111) fcc(111) bcc(111) hcp(0001) hcp(1120) hcp(1010)

Diffraction Patternssimple cubic(110) fcc(110) bcc(110) simple cubic(100) fcc(100) bcc(100) simple cubic(111) fcc(111) bcc(111) hcp(0001) hcp(1120) 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-Plane Cross-Section

Simple Cubic(110)(11) (01) (11)

(10)

(00)

(10)

-(11)

(01)

(11)

2/a

1/a

Diffraction Pattern

fcc(110)

- Surface viewa

Diffraction Pattern

a = unit cell length

a2

[110]

[110]

[002] [011]

[001]

fcc(110)(11) (01) (11)

(10)

(00)

(10)

-(11)

(01)

(11)

2/a

1/a

Diffraction Pattern

bcc(110) - Surface viewa2

Diffraction Pattern

a = unit cell length

[110] [110] [001]

a

[001]

-[110]

bcc(110)2/a

1/a

Diffraction Pattern

simple cubic(100)a

- Surface view

Diffraction Pattern

a = unit cell length

a

Cross-Sectional View

simple cubic(100)(11) (01) (11)

(10)

(00)

(10)

-(11)

(01)

(11)

1/a

1/a

Diffraction Pattern

fcc(100)

- Surface view

Diffraction Pattern

a2[011]

a = unit cell length[100]

a2

[011] [011] -[110]

Cross-Sectional View

Overlayers

fcc(100)(11) (01) (11)

(10)

(00)

(10)

-(11)

(01)

(11)

2/a

2/a

Diffraction Pattern

bcc(100) - Surface viewa

Diffraction Pattern

a = unit cell length

[100] [010] [001]

a

[001] [111]

Overlayers

bcc(100)(11) (01) (11)

(10)

(00)

(10)

-(11)

(01)

(11)

1/a

1/a

Diffraction Pattern

simple cubic(111)a2 a2

- Surface view

Diffraction Pattern

a = unit cell length

simple cubic(111)2/a

2/a

Diffraction Pattern

fcc(111)

- Surface view

Diffraction Pattern

a = unit cell length[111]

[101] [121]

a2

[110] - [101]

Cross-Sectional View

fcc(111)

(11) (10) -(11) (01) (00)

(01) (10) (11)

(11)

(8/3)/a

Diffraction Pattern

bcc(111) - Surface view[111] [110] [022] -[112]

Diffraction Pattern

a = unit cell length

-[111]

-[112]

Cross-Sectional View

bcc(111)

Diffraction Pattern

hcp(0001)[0110]

- Surface view[1120] [1010]

Diffraction Pattern

a = unit cell length[0001] [1100] [1100]

1/6[2203]

Cross-Sectional View

hcp(0001)

(11) (10) -(11) (01) (00)

(01) (10) (11)

(11)

Diffraction Pattern

hcp(1120)[0001]

Diffraction Pattern

a = unit cell length

[1100]

hcp(1120)

Diffraction Pattern

hcp(1010)

- Surface view

Diffraction Pattern

a = unit cell length

Cross-sectional view-

hcp(1010)

Diffraction Pattern

fcc(110) - Overlayer Structures

crystal face

bcc(110) - Overlayer Structures

crystal face

fcc(100) - Overlayer Structures