E-k Relation of Valence Band in Arbitrary Orientation/Typical Plane Uniaxially Strained

Figure 4

The levels at Γ point versus stress and angle in uniaxially strained Si (111).

(a) 𝜃=0

(b) 𝜃=𝜋/4

(c) 𝑇=+1 GPa (tensile stress)

(d) 𝑇=−1 GPa (compressive stress)