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(Color online) Sample structures of ferromagnetic heterostructures. (a) Be bulk doping; (b) Be doping.
(Color online) Carrier spin polarization in Be bulk doped FHs for different Be dopant concentrations as a function of temperature .
(Color online) (a) Dependence of on with in Be bulk doped FHs (sample a); (b) dependence of on with .
(Color online) Dependence of on in dual acceptor -doped FHs (sample b). The insets show the potential profiles for different Be-doping modes.
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