Cylindrically shaped zinc-blende semiconductor quantum dots do not have cylindrical symmetry : Atomistic symmetry , atomic relaxation , and piezoelectric effects

@inproceedings{Bester2005CylindricallySZ,
  title={Cylindrically shaped zinc-blende semiconductor quantum dots do not have cylindrical symmetry : Atomistic symmetry , atomic relaxation , and piezoelectric effects},
  author={Gabriel Bester and Alex Zunger},
  year={2005}
}
Self-assembled quantum dots are often modeled by continuum models seff ctive mass or k ·pd that assume the symmetry of the dot to be that of its overall geometric shape. Lens-shaped or conical dots are thus assumed to have continuous cylindrical symmetry C`v, whereas pyramidal dots are assumed to have C4v symmetry. However, considering that the III–V dots are made of atoms arranged on the srelaxedd positions of a zincblende lattice, one would expect the highest possible symmetry in these… CONTINUE READING
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