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  • 1
    Electronic Resource
    Electronic Resource
    Magneto-optical properties of stacked self-assembled InAs quantum dots (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 89 (2001), S. 3760-3762 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In this article, we report magneto-photoluminescence measurements on stacked self-assembled InAs quantum dots. By applying a magnetic field parallel to the growth direction, we determined the exciton reduced mass and exciton radius from the photoluminescence (PL) peak energy. We observed an asymmetric increase of the full width at half maximum of the quantum dots PL peak to the high-energy side that we associate to the size selectivity of the oscillator strength of the ground state transitions. The observed increase of the integrated intensity of the quantum dots line is explained in terms of the reabsorption of the photons emitted by the GaAs substrate and the InAs wetting layer. These effects are related to the multilayer structure of the sample. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1353565
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  • 2
    Electronic Resource
    Electronic Resource
    Microvibration sample magnetometer: A force-type measurement (1985)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 56 (1985), S. 411-414 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A simple microvibrating sample magnetometer (MVSM), particularly inexpensive, sensitive, and versatile has been developed. An alternating magnetic field superposed to a steady uniform magnetic field is applied to the sample. The sample undergoes a periodic motion around an equilibrium position, causing a pressure fluctuation within a closed gas cell which is detected as an acoustic signal by a microphone.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1138313
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    Paper (German National Licenses)
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