The energy-band spectrum of a Si/Ge strained multivalley superlattice structure is investigated within an anti-bonding orbital model. It is shown that the energy-band spectrum as a function of the well-width exhibits a pairing interference pattern due to inter-valley mixing effect. We found two interesting interference effects: In each pair, not only (1) the energy separation between the two bands but also (2) the two band-widths are oscillatory functions of the width of the well material.
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Jih-Chen Chiang (1994) studied this question.
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