Diffusion Current — Study Resources & PYQs
Diffusion current caused by carrier concentration gradients.
- Estimated study time: 30 minutes
Study resources
- Introduction to Semiconductor Devices 1 - KAIST (Coursera, free to audit) (Article) — Module 4 is specifically 'Carrier Transport: Diffusion and Drift', with a clean derivation of diffusion current. Choose Audit to access it free.
- Introduction to Semiconductor Devices - IIT Hyderabad (Article) — Week 3 covers diffusion current alongside mobility and drift current.
- Diffusion and Drift Current in Semiconductors | Diffusion Coefficient & Einstein Relation (Video) — Full playlist episode deriving drift and diffusion current, the diffusion coefficient, and the Einstein relation.
- Drift, Diffusion of Currents & Einstein's Equation | Semiconductors (Video) — Focused Indian-lecture video deriving the Einstein relation connecting mobility and diffusion coefficient.
- Drift Current and Diffusion Current in Semiconductor Materials (Video) — Short, clear video specifically explaining drift and diffusion current densities in semiconductor materials.
Diffusion Current previous year questions
- (a) Explain drift and diffusion currents in semiconductors and derive their governing equations. Also state and derive the Einstein relation and discuss its si…
- (a) Define thin films. Obtain the conditions for constructive and destructive interference due to reflection of light in thin films. (b) Find the diffusion coe…
Taught in these subjects
- APPLIED ENGINEERING PHYSICS — BPHT11 · Government College of Engineering and Technology, Jammu
- APPLIED ENGINEERING PHYSICS — BPHT11 · Government College of Engineering and Technology, Jammu
- Advanced Engineering Physics — BPHT21 · Government College of Engineering and Technology, Jammu
- Applied Engineering Physics — BST1103 · Government College of Engineering and Technology, Jammu
- Advanced Engineering Physics — BST1203 · Government College of Engineering and Technology, Jammu