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Coulomb scattering in strained-silicon inversion layers on Si1−xGex substrates (1996)

Gámiz, F. ; Roldán, J. B. ; López-Villanueva, J. A. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 69 (1996), S. 797-799

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Results of electron mobility in strained-Si inversion layers grown on Si1−xGex substrates are reported. Drift velocities are calculated by Monte Carlo simulations including electron quantization and Coulomb scattering, in addition to phonon and surface roughness scattering. The strain is shown to contribute as well to the enhancement of the Coulomb-limited mobility due to better screening of the interface centers by the mobile carriers. Even in the case of high-doped substrates, Coulomb scattering does not cancel the mobility enhancement provided by the reduction of both intervalley scattering and conduction effective mass. © 1996 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.117895

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