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  • 1
    Electronic Resource
    Electronic Resource
    A δ-doped GaAs/graded InxGa1−xAs/GaAs pseudomorphic structure grown by low-pressure metal organic chemical vapor deposition (1991)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 59 (1991), S. 1075-1077 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A δ-doped GaAs/graded InxGa1−xAs/GaAs pseudomorphic structure grown by low-pressure metal-organic chemical vapor deposition was demonstrated for the first time. The graded InxGa1−x As layer in which the composition x ranged from 0.25 to 0.20 was strained to obtain a pseudomorphic structure. Furthermore, a δ-doped high-electron mobility transistor( δ-HEMT) employing a graded InxGa1−x As layer was successfully fabricated. Due to better electron confinement and lower interface roughness scattering, the present structure reveals higher saturation current density, higher transconductance, and higher product of mobility and two-dimensional sheet density as compared to those of conventional HEMTs which were also fabricated by the same system and procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.106349
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