impurity scattering

impurity scattering

[im′pyu̇r·əd·ē ¦skad·ə·riŋ]
(solid-state physics)
Scattering of electrons by holes or phonons in the crystal.
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References in periodicals archive ?
The independent examiner~s duties include geotechnical related jobs that are expected to cause deformations, vibrations, noise, groundwater impacts and / or impurity scattering.
This increase is due to the quasi-elastic nature of the acoustic scattering and ionized impurity scattering (Jacoboni, 1989).
Combined with the innovations described in (1), which improve mobility by suppressing impurity scattering, these techniques allowed drive currents to be increased by 22% for NMOS and 31% for PMOS, compared to 65nm nodes from NEC Electronics.