Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.046602
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Funding
- Nanosciences Foundation (Grenoble, France)
- DOE [DEFG02-08ER46482]
- Agence Nationale de la Recherche
- European Starting Grant
- European Commission via a Marie Curie Carrer Integration Grant
- FWF
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We report an electric-field-induced giant modulation of the hole g factor in SiGe nanocrystals. The observed effect is ascribed to a so-far overlooked contribution to the g factor that stems from the mixing between heavy-and light-hole wave functions. We show that the relative displacement between the confined heavy-and light-hole states, occurring upon application of the electric field, alters their mixing strength leading to a strong nonmonotonic modulation of the g factor. DOI: 10.1103/PhysRevLett.110.046602
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