Publication Type
Journal
Journal Name
Physical Review B
Publication Date
Page Number
155317
Volume
86
Issue
15
Abstract
Basedonfirst-principlescalculationswithindensityfunctionaltheory,wefindthatPbadlayerscaninduceagiantRashbaspinsplittinginthequantumwellstatesofanunderlyingBi2Se3film.AsthethicknessofthePbadlayersvaries,thedistancebetweenthePbadlayerandtheBi2Se3film,thechargedensityattheinterface,andthebindingbetweenthePbadlayersexhibitanoscillatorybehaviorduetothequantumsizeeffects,whichinturnmodulatesthemagnitudeoftheRashbaspinsplittingofthequantumwellstatesintheBi2Se3film.