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Chapter 5: Carrier Transport Phenomena - FKE

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Microelectronics I<br />

Velocity Saturation<br />

v d<br />

= µ E<br />

Drift velocity increase linearly with applied electric field.<br />

At low electric field,<br />

vd increase linearly<br />

with applied E.<br />

slope=mobility<br />

At high electric field,<br />

vd saturates<br />

Constant value

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