zincblende lattice – views
DESCRIPTION
Zincblende lattice – views. (100). (111). (110). Zincblende lattice – stacking sequence. 1st plane = A. Zincblende lattice – stacking sequence. 1st plane = A 2nd plane = B. Zincblende lattice – stacking sequence. 1st plane = A 2nd plane = B 3rd plane = C. - PowerPoint PPT PresentationTRANSCRIPT
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Zincblende lattice – views
1
(100) (111)
(110)
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Zincblende lattice – stacking sequence
2
1st plane = A
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Zincblende lattice – stacking sequence
3
1st plane = A2nd plane = B
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Zincblende lattice – stacking sequence
4
1st plane = A2nd plane = B3rd plane = C
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Zincblende lattice – stacking sequence
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1st plane = A2nd plane = B3rd plane = C4th plane = A…
ABC
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Zincblende lattice – cleavage planes
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for (111) plane: 1 bond/atom for (110) plane: 1 bond/atom
for (100) plane: 2 bonds/atom
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
Wurzite/Zincblende – Polytypes
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SiC shows many (more than 200 known) crystal structures in mixed Wurzite (ABCABC…) and Zincblende (ABAB…)Configurations.
The largest unit cell has 254 layers.
“eclipsed”(hexagonal)
“staggered”(cub ic)
Halbleiterphysik – Übung 2 Kristallstrukturen/MBE
MBE - Vacuum
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