Welcome to the online course on Semiconductor Physics and Devices (ECPC34 - Aug'20)
Week -1: (10/8 to 16/8)
Course introduction and evaluation scheme (video) (slides)
Week -2: (17/8 to 23/8)
Lec_01-Electrical conductivity of materials (video) (slides)
Lec_02-Band formation in semiconductors (video) (slides)
Lec_03-Concept of a hole (video) (slides)
Lec_04-E-k diagram and effective mass (video) (slides)
Dis_01-Recap of Lec 1 and 2 (video)
Dis_02-Recap of Lec 3 and 4 (video) (slides)
Week -3: (24/8 to 30/8)
Lec_05-Direct and Indirect band gap semiconductors (video) (slides)
Lec_06-Pure Intrinsic Extrinsic and compensated semiconductors (video) (slides)
Lec_07-Charge neutrality and introduction to carrier concentration (video) (slides)
Dis_03-Recap of Lec 5 and 6 (video)
Dis_04-Recap of Lec 7 (video)
Week -4: (31/8 to 06/9)
Lec_08-Fermi-Dirac statistics and Fermi energy level in semiconductors (video) (slides)
Lec_09-Expression for carrier concentration (video) (slides)
Lec_10-Effective DoS and carrier concentration - A qualitative analysis (video) (slides)
Dis_05-Recap of Lec 8,9,10 and law of mass action (video) (slides)
Week -5: (07/9 to 13/9)
Lec_11-Temperature dependance of carrier concentration (video) (slides)
Lec_12-Fermi level in equilibrium, electron affinity and work function (video) (slides)
Lec_13-Recap of Lec 12, ionization energy, drift velocity (video) (slides)
Week -6: (14/9 to 20/9)
Lec_14-Drift current (video) (slides)
Lec_15-Diffusion current (video) (slides)
Lec_16-Continuity equation of electrons and holes (video) (slides)
Dis_06-Assignment 1 discussion (video) (slides)
Week -7: (21/9 to 27/9)
Lec_17-Built in fields and CT1 discussion (video) (slides)
Week -8: (28/9 to 04/10)
Lec_18-Summary of semiconductor physics and 5 basics equations (video) (slides)
Lec_19-Relationship with semiconductor equ and Maxwells equ, Hall Effect (video) (slides)
Week -9: (05/10 to 11/10)
Lec_20-Introduction to PN junction and built-in potential in a PN junction (video) (slides)
Lec_21-PN junction in equilibrium-A qualitative analysis of charge, field and potential (video) (slides)
Lec_22-PN junction in equilibrium-Expression for W, Vbi, Emax (video) (slides)
Week -10: (12/10 to 18/10)
Lec_23-PN junction assumptions to derive ideal diode equation (video) (slides)
Lec_24-PN junction derivation of ideal diode equation (lengthy lecture 1.5 hrs) (video) (slides)
Week -11: (19/10 to 25/10)
Lec_25-PN junction reverse bias and breakdown (NPTEL lecture of Prof. Karmalkar, IITM)
Lec_26-PN junction capacitance and diode small signal model (NPTEL lecture of Prof. Karmalkar, IITM)
Week -12: (26/10 to 01/11)
Lec_27-PN junction recap and reverse bias (video) (slides)
Lec_28-BJT introduction and structure (NPTEL lecture of Prof. Karmalkar, IITM)
Lec_29-BJT basics and current gain (video) (slides)
Week -13: (02/11 to 08/11)
Lec_30-BJT I-V relationship using charge control model (video) (slides)
Lec_31-BJT band diag-EM model-characteristics-equi ckt (video) (slides)
Lec_32-MOSFET introduction (video) (slides)
Week -14: (09/11 to 15/11)
Lec_33-MOS capacitor, Vth, C-V of MOS cap (video) (slides)
Lec_34-MOSFET current expression (video) (slides)
Lec_35-MOSFET I-V characteristics and final topics (video) (slides)
Lec_36-C-V of MOS cap vs MOSFET (slides)
Assignment -1
Posted 08/09/20; Due on 15/09/20
Submission link
Assignment -2
Posted 24/10/20; Due on 12/11/20
Submission link
Practice problems on MOS and BJT