Discipline Specific Course

Paper Code: 
NST 202
Credits: 
04
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

This course will enable the students to –

1.       Understand the structure of crystalline materials.

2.       To make students able to apply knowledge acquired from this paper to realistic problems of Crystallography & Crystal Structure.  

 

Course outcomes (COs):

 

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

Course Code

Course Title

NST

202

 

 

 Solid State Physics-I (Theory)

 

 

 

The students will be able to –

CO43:   Elucidate the concept of lattice and crystals

 

 CO44 : Acquire the ability to identify defects in crystals      

 

CO45 : Understand representation of the space groups and surface interfaces

 

CO46 : Appreciate the concepts of Building a structure from a space groups

 

CO47 :  Apply the knowledge of crystal structure of the material with the help of X-ray diffraction for solving the problems.

 

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, , Demonstration, Problem Solving in tutorials

 

 

Learning activities for the students:

Self learning assignments, Effective questions, Seminar presentation, Solving numericals. Additional learning through online videos.

Class test, Semester end examinations, Quiz, Solving problems, Assignments, Presentations

 

11.00
Unit I: 
The Crystalline State

Crystalline and amorphous solid; Crystal lattice, Unit Cell and Bravais lattice; Plane lattice and their symmetries; Miller Indices and Interplanar distance; Crystal Structures (SC, FCC, BCC) and their example; Concept of reciprocal lattice.

 

11.00
Unit II: 
Imperfections in Crystal

Point defects, Equilibrium concentration of vacancies, Interstitial impurities in solids, Substitutional impurities in solids, Line defects: edge dislocations, Screw dislocations, Surface and volume imperfections, Interfacial defects, stacking faults

12.00
Unit III: 
Building Crystal Structures from Lattices and space groups

Symmetry of three-dimensional patterns: space groups, Crystallographic space groups, space group symmetry symbols, graphical representation of the space groups, Building a structure from a space groups example Diopside, CaMgSi2O6

13.00
Unit IV: 
Crystal Interfaces

The structure of surfaces & surface free energy, Structure and energy of grain boundaries, Interface Junctions, Shapes of crystal and grains, boundaries between different phases, Strained layer epitaxy of semiconductors.

13.00
Unit V: 
X -ray Diffraction and Other Characterization Techniques

X-ray diffraction by crystals; Laue theory, Interpretation of Laue equation; Bragg’s law and Bragg’s Diffraction condition in direct and reciprocal lattice; Ewald’s construction, Debye Schrrerer method; Atomic scattering factor and Structural scattering factor.

References: 
  1. Introduction to Solid State Physics: C. Kittle
  2. Solid State Physics: A.J.Dekkar
  3. Introduction to Solids: L.V.Azaroff
  4. Material Science and Engineering, Upadhyaya and A. Upadhyaya , Anshan Publications 2007
  5. Solid State Physics: S.L. Gupta, V.Kumar.
  6. Solid State Physics: S.L. Kakani, C. Hemrajan
  7. Solid State Physics: C.M. Kachhava
  8. Solid State Physics: R.L.Singhal, KedarNath, Ram Nath& Co.
  9. Crystals and Crystal Structures, By Richard J. D. Tilley, Wiley 2006
  10. Crystallography and Crystal Defects, A. Kelly, G. W. Groves, P. Kidd,Wiley 2000
Academic Year: 
2022-2023
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