2000
DOI: 10.1103/physrevb.61.13005
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Lattice parameter ofSi1xyGexC<

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Cited by 80 publications
(46 citation statements)
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“…The large compressive strain in the quantum wells results in a considerable splitting of the light and heavy-hole exciton peaks. In order to reproduce this splitting we have revised our choice of the uniaxial model solid deformation potential used in the bandstructure calculations so that we have b ¼ 2:86 eV [13], together with a larger lattice bowing parameter of 0:026 nm [14]. These parameters also provide agreement with the experimental data from [3].…”
supporting
confidence: 66%
“…The large compressive strain in the quantum wells results in a considerable splitting of the light and heavy-hole exciton peaks. In order to reproduce this splitting we have revised our choice of the uniaxial model solid deformation potential used in the bandstructure calculations so that we have b ¼ 2:86 eV [13], together with a larger lattice bowing parameter of 0:026 nm [14]. These parameters also provide agreement with the experimental data from [3].…”
supporting
confidence: 66%
“…In the FEM model, we consider the nonlinear lattice parameter variation with Ge content as obtained in Ref. 33. The elastic constants are interpolated linearly between the values of Si and Ge, 34 taking into account the slight elastic anisotropies.…”
Section: Analysis Of Strain and Compositionmentioning
confidence: 99%
“…X'Pert epitaxy and X'Pert reflectivity are used to model the rocking curve and reflectivity measurements. In modelling the rocking curve data, the built-in model utilizing a mixture of Si, Ge and diamond with bowing corrections [5] is used. The extraction of carbon concentration from the free lattice parameter of the modelled structure can differ from the built-in model and will be discussed later.…”
Section: Structural Characterizationmentioning
confidence: 99%