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Strain distribution in arbitrarily shaped quantum dots with nonuniform composition
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10.1063/1.2001154
/content/aip/journal/jap/98/3/10.1063/1.2001154
http://aip.metastore.ingenta.com/content/aip/journal/jap/98/3/10.1063/1.2001154
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The geometry of a cuboidal QD (a) and the atom fraction along the growth direction [001] (b). This QD is divided into three regions (1), (2), and (3). The initial misfit strain is uniform in the middle region and varies linearly in the interface regions (1) and (3).

Image of FIG. 2.
FIG. 2.

Strain in a cubic QD along the axis with , , and . The center of this QD is at the point (0, 0, 20 nm). The initial strain in the middle region (2) is 7.2%. Legends “uniform” and “nonuniform” refer to strains in the QD with uniform and nonuniform compositions, respectively.

Image of FIG. 3.
FIG. 3.

Strain in a cubic QD along the axis, where . All geometrical and physical parameters are the same as those in Fig. 2.

Image of FIG. 4.
FIG. 4.

Biaxial strain in a cubic QD along the axis, where . All geometrical and physical parameters are the same as those in Fig. 2.

Image of FIG. 5.
FIG. 5.

Strain distributions in a cuboidal QD along the axis with . The center of this QD is at the point (0, 0, 10 nm), and all other parameters are the same as those in Fig. 2.

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/content/aip/journal/jap/98/3/10.1063/1.2001154
2005-08-12
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Strain distribution in arbitrarily shaped quantum dots with nonuniform composition
http://aip.metastore.ingenta.com/content/aip/journal/jap/98/3/10.1063/1.2001154
10.1063/1.2001154
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