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Remotely-doped superlattices in wide parabolic GaAs/AlxGa1−xAs quantum wells (1992)

Baskey, J. H. ; Rimberg, A. J. ; Yang, Scott ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 61 (1992), S. 1573-1575

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Using the digital alloy technique, a series of high-mobility remotely doped GaAs/AlGaAs coupled multiple quantum well structures have been produced by the superposition of a wide parabolic quantum well and a square superlattice potential. Structures containing up to twenty superlattice periods with low temperature Hall mobilities from 23 000 to 100 000 cm2/V s have been produced. Fourier analysis of low field Shubnikov–de Haas oscillations, capacitance-voltage and Hall measurements of a 200 A(ring) period superlattice in a 1600 A(ring) wide parabolic well indicate the occupation of four superlattice periods with subband spacings in good agreement with theory.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.107500

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