Collisional broadening effect in vacuum emission of hot electrons from SiO 2 : The role of non‐polar optical phonon scattering | Zendy

Reggiani L. | Zendy; Fitting H.J. | Zendy; Hingst Th. | Zendy; Köhn J. | Zendy; Beauvivre S. | Zendy; Varani L. | Zendy

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Collisional broadening effect in vacuum emission of hot electrons from SiO 2 : The role of non‐polar optical phonon scattering

Author(s) -

Reggiani L.,

Fitting H.J.,

Hingst Th.,

Köhn J.,

Beauvivre S.,

Varani L.

Publication year - 1996

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221940222

Subject(s) - electron , scattering , polar , atomic physics , phonon , monte carlo method , materials science , hot electron , physics , condensed matter physics , optics , nuclear physics , statistics , mathematics , astronomy

The energy distribution function of hot electrons emitted from a 13 nm SiO 2 layer is measured through vacuum emission experiments up to 4 eV. The results evidence the presence of carriers in an energy region well above the ballistic threshold. A Monte Carlo simulation of carrier transport in the presence of non‐polar scattering and collisional broadening is in qualitative agreement with the experiments thus providing a value of 3.1 × 10 9 eV/cm for the deformation potential and a direct indication of collisional broadening effect in high‐field transport of electrons in SiO 2 .

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