Shubnikov De Haas Oscillations
Mostrando 1-4 de 4 artigos, teses e dissertações.
-
1. Magnetotransporte em poços-quânticos de AlGaAs/GaAs com diferentes formas de potencial / Magnetotransport in AlGzAs/GzAs quantum wells with different potential shapes
In this thesis we present studies of magnetotransport in double quantum wells (DQWs) in low magnetic fields and under application of an external electric field (gate potential). Measurements of magnetoresistance have been carried out in both linear and non-linear regime. We report on the observation of magneto-intersubband (MIS) oscillations for the first ti
Publicado em: 2009
-
2. Shubnikov-de Haas oscillations in Digital Magnetic Heterostructures
In this paper we theoretically investigate the magnetic-field and temperature dependence of the Shubnikov-de Haas oscillations in group II-VI modulation-doped Digital Magnetic Heterostructures. We self-consistently solve the effective-mass Schrödinger equation within the Hartree approximation and calculate the electronic structure and the magneto-transport
Brazilian Journal of Physics. Publicado em: 2004-06
-
3. Landau levels in two and three-dimensional electron gases in a wide parabolic quantum well
Shubnikov-de Haas oscillations are measured in a wide parabolic quantum well with 6 subbands in a tilted magnetic fi eld. We find two types of oscillations. The oscillations at low magnetic field are shifted towards higher fields with tilted angles, and can be attributed to the two-dimensional Landau state at the bottom subband. The position of the second ty
Brazilian Journal of Physics. Publicado em: 2002-06
-
4. Growth of the In0.53Ga0.47As/ In0.52Al0.48As on InP by MBE / Crescimento de In0.52Al0.48As e In0.53Ga0.47As sobre InP por MBE
In this work Molecular Beam Epitaxy (MBE) was used to growth bidimensional gas structures based on In0.53Ga0.47As/ In0.52Al0.48As on Indium Phosfate substrate (lnP) Structural. electrical and optical properties were analyzed by characterisation techniques such as Hall eflect, photoluminescence (PL), Shubnikov-de Haas (SdH) and Scanning Electron Microscope (S
Publicado em: 1997