EFFECTIVE-MASS THEORY FOR SUPERLATTICES GROWN ON (11N)-ORIENTED SUBSTRATES
- Authors
-
- xia, jb
- chinese, jb r xia
- Publication Date
- Jan 01, 1991
- Source
- Knowledge Repository of SEMI,CAS
- Keywords
-
- Quantum-Well Structures
- Molecular-Beam Epitaxy
- Gaas
- Orientation
- Transitions
- Gap
- Mbe
- 半导体物理
- Atomic Layer Deposition
- Gallium Arsenide
- Training
- Transitions
- Gap
- Atomic Layer Deposition
- Atomic Layer Epitaxial Growth
- Ale
- Mle Growth
- Molecular Layer Epitaxial Growth
- Chemical Beam Epitaxial Growth
- Cbe
- Gas Source Mbe
- Gsmbe
- Metalorganic Molecular Beam Epitaxy
- Mombe
- Ommbe
- Chemical Vapour Deposition
- Apcvd
- Chemical Vapor Deposition
- Cvd
- Laser Cvd
- Laser-Induced Cvd
- Lpcvd
- Chemical Vapour Infiltration
- Chemical Vapor Infiltration
- Cvi
- Crystal Growth From Vapour
- Laser Deposition
- Mocvd
- Metalorganic Chemical Vapour Deposition
- Movpe
- Omcvd
- Omvpe
- Molecular Beam Epitaxial Growth
- Mbe
- Migration-Enhanced Epitaxy
- Vapour Phase Epitaxial Growth
- Hot Wall Epitaxial Growth
- Vapor Phase Epitaxial Growth
- Vpe
- Cvi (Fabrication)
- Ald
- Molecular Beam Epitaxy
- Coulomb-Bethe
- Many-Body Expansion
- Gaas
- Arseniures De Gallium
- Galliumarsenid
- Skills Training
- Computer Operator Training
- Operator Training
- Programmer Training
- Study Tours
- Educational Travel Abroad
- In Service Training
- Orientation
- 取向
- Direction, Sense Of
- 间隙
- Atomic Layer Epitaxial Growth
- Ale
- Mle Growth
- Molecular Layer Epitaxial Growth
- Chemical Beam Epitaxial Growth
- Cbe
- Gas Source Mbe
- Gsmbe
- Metalorganic Molecular Beam Epitaxy
- Mombe
- Ommbe
- Chemical Vapour Deposition
- Apcvd
- Chemical Vapor Deposition
- Cvd
- Laser Cvd
- Laser-Induced Cvd
- Lpcvd
- Chemical Vapour Infiltration
- Chemical Vapor Infiltration
- Cvi
- Crystal Growth From Vapour
- Laser Deposition
- Mocvd
- Metalorganic Chemical Vapour Deposition
- Movpe
- Omcvd
- Omvpe
- Molecular Beam Epitaxial Growth
- Mbe
- Migration-Enhanced Epitaxy
- Vapour Phase Epitaxial Growth
- Hot Wall Epitaxial Growth
- Vapor Phase Epitaxial Growth
- Vpe
- Cvi (Fabrication)
- Ald
- Molecular Beam Epitaxy
- Coulomb-Bethe
- Many-Body Expansion
- License
- Unknown
- External links
Abstract
An effective-mass formulation for superlattices grown on (11N)-oriented substrates is given. It is found that, for GaAs/AlxGa1-xAs superlattices, the hole subband structure and related properties are sensitive to the orientation because of the large anisotropy of the valence band. The energy-level positions for the heavy hole and the optical transition matrix elements for the light hole apparently change with orientation. The heavy- and light-hole energy levels at k parallel-to = 0 can be calculated separately by taking the classical effective mass in the growth direction. Under a uniaxial stress along the growth direction, the energy levels of the heavy and light holes shift down and up, respectively; at a critical stress, the first heavy- and light-hole energy levels cross over. The energy shifts caused by the uniaxial stress are largest for the (111) case and smallest for the (001) case. The optical transition matrix elements change substantially after the crossover of the first heavy- and light-hole energy has occurred.