R23
MECH · 4-1
✓ VERIFIED VS. PUBLISHED SYLLABUS 2026-07-12
Functional Materials and Applications
JNTUK R23 · MECH · semester 4-1 · syllabus
This JNTUK R23 professional elective is listed for Mechanical Engineering (MECH). It is listed in semester 4-1. It carries 3 credits. The published coverage runs across 5 units, from Crystallography through Nanoelectronic Materials.
Verified vs. published syllabus
Checked 12 Jul 2026
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Published evidence
✓ Verified
Checked 12 Jul 2026
Record 5 published units
Verification scope The course structure, credits, and unit-wise syllabus are sourced directly from JNTUK's official R23 Mechanical Engineering course structure and syllabus.
5 units, from Crystallography to Nanoelectronic Materials. Tick off units as you cover them — your progress stays on this device.
Unit-wise syllabus
0 / 5 COVERED
UNIT 01 — Crystallography
Crystal structures: BCC, FCC and HCP – directions and planes - linear and planar densities – crystal imperfections- edge and screw dislocations – grain and twin boundaries - Burgers vector and elastic strain energy- Slip systems, plastic deformation of materials - Polymorphism – phase changes.
UNIT 02 — Electrical And Magnetic Properties Of Materials
Classical free electron theory - Expression for electrical conductivity – Thermal conductivity, expression - Quantum free electron theory: Tunneling – degenerate states – Fermi- Dirac statistics – Density of energy states – Electron in periodic potential – Energy bands in solids – tight binding approximation - Electron effective mass – concept of hole. Magnetic materials: Dia, para and ferromagnetic effects – paramagnetism in the conduction electrons in metals – exchange interaction and ferromagnetism – quantum interference devices – GMR devices.
UNIT 03 — Semiconductors And Transport Physics
Intrinsic Semiconductors – Energy band diagram – direct and indirect band gap semiconductors – Carrier concentration in intrinsic semiconductors – extrinsic semiconductors - Carrier concentration in N-type & P-type semiconductors – Variation of carrier concentration with temperature – Carrier transport in Semiconductors: Drift, mobility and diffusion – Hall effect and devices – Ohmic contacts – Schottky diode
UNIT 04 — Optical Properties Of Materials
Classification of optical materials – Optical processes in semiconductors: optical absorption and emission, charge injection and recombination, optical absorption, loss and gain. Optical processes in quantum wells – Optoelectronic devices: light detectors and solar cells – light emitting diode – laser diode - optical processes in organic semiconductor devices –excitonic state – Electro-optics and nonlinear optics: Modulators and switching devices – plasmonics.
UNIT 05 — Nanoelectronic Materials
Quantum confinement – Quantum structures – quantum wells, wires and dots – Zener-Bloch oscillations – Resonant tunneling – quantum interference effects - mesoscopic structures - Single electron phenomena – Single electron Transistor. Semiconductor photonic structures – 1D, 2D and 3D photonic crystal. Active and passive optoelectronic devices – photo processes – spintronics – carbon nanotubes: Properties and applications.