Course Details
Subject {L-T-P / C} : EC3001 : Semiconductor Devices { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Debiprasad Priyabrata Acharya
Syllabus
Energy Bands and charge carriers in semiconductors: Energy bands, direct and indirect semiconductors, Electrons and holes, Intrinsic and extrinsic materials, Fermi-Dirac distribution function, electron and holes concentrations at equilibrium, space charge neutrality, conductivity and mobility, Hall effect (10 hrs.)
Excess carriers in semiconductors: Drift, Diffusion: Current equation, Einstein’s Relationship, Continuity equation Generation & Recombination: Mechanisms, Minority Carrier Lifetime (8 hrs.)
P-N junction: Principles, DC model, Capacitance of Reverse bias PN junction, store charge effects, Metal Semiconductor contacts: Schottky diode, Ohmic Contact MOS Capacitor MOSFET: Principles, C-V Characteristics, Second order effects (8 hrs.)
BJT: Principles, C-V Characteristics, Second order effects (4 hrs.)
IC Technology: Bipolar IC Technologies MOSFET Technologies BICMOS Technologies Microwave FETs & Diodes IGBT, Thyristors. (8 hrs.)
Course Objectives
- To understand Atoms, Electrons, Energy Bands and Charge Carriers in Semiconductors.
- To comprehend impact of Excess Carriers in Semiconductors.
- To interpret characteristics of PN Junction and Junction Diodes.
- To grasp characteristics of Bipolar Junction Transistor (BJT). <br />To apprehend characteristics of MOSFET.
Course Outcomes
After the completion of this course, students will be able to: <br /> <br />CO1: explain the atomic structure of solids and the basic physics of semiconductor materials. <br />CO2: describe various properties of semiconductor materials using mathematical equations. <br />CO3: apply the knowledge of semiconductors to illustrate the functioning of the different electronic devices. <br />CO4: evaluate and judge analytically the performance of the different electronic devices. <br />CO5: identify the fabrication steps of the different electronic devices.
Essential Reading
- B G Streetman , S K Banerjee, Solid State electronics Devices, PHI , Sixth Edition
- Simon M. Sze, Kwok K. Ng, Physics of Semiconductor Devices, Wiley
Supplementary Reading
- S. Dimitrijev, Principles of Semiconductor Devices, Oxford University Press , 2005
- M.S.Tyagi, Introduction to Semiconductor Materials and Devices, Wiley Student Edition