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Antibonding ground state of holes in double vertically coupled Ge/Si quantum dots

✍ Scribed by A. I. Yakimov; V. A. Timofeev; A. I. Nikiforov; A. V. Dvurechenskii

Book ID
110169880
Publisher
SP MAIK Nauka/Interperiodica
Year
2012
Tongue
English
Weight
260 KB
Volume
94
Category
Article
ISSN
0021-3640

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Hole states in vertically coupled double
Hole states in vertically coupled double Ge/Si quantum dots
✍ A.I. Yakimov; A.A. Bloshkin; A.I. Nikiforov; A.V. Dvurechenskii πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 428 KB

Using a six-band k Á p formalism we investigated the single-particle hole states in the double quantum dots made of two identical, vertically stacked, Ge/Si nanoclusters. The elastic strain due to the lattice mismatch between Ge and Si was included into the problem via Bir-Pikus Hamiltonian. As cons