NNSE618-L19-pn-junction

NNSE618-L19-pn-junction - 1 Lecture contents P-n junction...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
NNSE 618 Lecture #19 1 Lecture contents P-n junction Electrostatics
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
NNSE 618 Lecture #19 2 metal-semiconductor contact p-n homojunctions heterojunctions Formalism includes the following phenomena: Statistics of carriers Continuity equations: Poisson equation (Gauss equation) in SI: Current equations Drift and diffusion currents Einstein relation (in non-degenerate semiconductor) Thermionic current Tunneling current Junctions: general q T k D B n T k nq J B n n n qD nq J n n n n n n J q R G t n 1 p p p J q R G t p 1 p qD nq J p p p  4 D 4 2 2 0 replace 0 cm F 14 0 10 85 . 8  => Formation of potential barriers. Different from bulk material
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

NNSE618-L19-pn-junction - 1 Lecture contents P-n junction...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online