Title :
Electron-phonon interaction in Si nanowire devices: Low field mobility and self-consistent EM NEGF simulations
Author :
Mil´nikov, Gennady ; Mori, Nobuya
Author_Institution :
Dept. of Electr., Electron. & Inf. Eng., Osaka Univ., Suita, Japan
Abstract :
The paper presents a method for quantum transport simulations in nanowire (NW) MOSFETs with inelastic scattering processes incorporated. An atomistic tight-binding Hamiltonian with realistic electron-phonon interaction is transformed into an equivalent low-dimensional transport model which can be easily used in full-scaled NEGF simulations. The utility of the method is demonstrated by computing IV characteristics in n-Si NW devices.
Keywords :
Green´s function methods; MOSFET; electron-phonon interactions; elemental semiconductors; nanowires; scattering; silicon; IV characteristics; NW MOSFET; Si; atomistic tight-binding Hamiltonian interaction; equivalent low-dimensional transport model; full-scaled simulations; inelastic scattering processes; low field mobility; nanowire devices; nonequilibrium Green function; quantum transport simulations; realistic electron-phonon interaction; self-consistent EM NEGF simulations; Charge carrier processes; Computational modeling; Couplings; Mathematical model; Phonons; Scattering; Silicon;
Conference_Titel :
Simulation of Semiconductor Processes and Devices (SISPAD), 2014 International Conference on
Conference_Location :
Yokohama
Print_ISBN :
978-1-4799-5287-8
DOI :
10.1109/SISPAD.2014.6931627