Predicted band structures of III-V semiconductors in the wurtzite phase
By A. De, C. Pryor. 2009
297 citations recorded by the source corpus.
While non-nitride III-V semiconductors typically have a zinc-blende structure, they may also form wurtzite crystals under pressure or when grown as nanowhiskers. This makes electronic structure calculation difficult since the band structures of wurtzite III-V semiconductors are poorly characterized. We have calculated the electronic band structure for nine III-V semiconductors in the wurtzite phase using transferable empirical pseudopotentials including spin-orbit coupling. We find that all the materials have direct gaps. Our results differ significantly from earlier ab initio calculations, and where experimental results are available (InP, InAs, and GaAs) our calculated band gaps are in good agreement. We tabulate energies, effective masses, and linear and cubic Dresselhaus zero-field spin-splitting coefficients for the zone-center states. The large zero-field spin-splitting coefficients we find may facilitate the development of spin-based devices.
Subfields: Biomedical Engineering, Electrical and Electronic Engineering
View Paper: https://www.semanticscholar.org/paper/f8892033e2f99b710b2afa26a5c5bb8b103caec8
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Citations in the corpus
- Crystal Phases in III--V Nanowires: From Random Toward Engineered Polytypism (2011, background): “alignments are still under debate, or missing for certain materials [43]–[45].”
- Milestones toward Majorana-based quantum computing (2015, background): “05me (me denotes the bare electron mass) as appropriate for wurtzite InAs wires [86].”