JNTUK B.Tech Semiconductors and Magnetic Materials gives you detail information of Semiconductors and Magnetic Materials R13 syllabus It will be help full to understand you complete curriculum of the year.
(Objectives: The course gives the importance, properties, and applications of semi conductors and various types of magnetic materials)
UNIT-I : (Learning Objectives: To understand the concepts of electron theory of metals and thermoelectric phenomena.)
Review of electron theory of metals; Electrical and thermal conductivity – Classical approach and quantum mechanical considerations; Resistivity of pure metals and alloys, and ordered alloys; thermoelectric phenomena.
UNIT-II :(Learning Objectives: To study various types of semi conductors, their properties and applications) Semiconductors: Band structures, intrinsic semiconductors, extrinsic semiconductors; Hall effect; Elemental and compound Semiconductors and their application; Super conductivity; super conducting materials; Structure and application.
UNIT-III : (Learning Objectives: To understand the concepts of ferromagnetism)
Ferromagnetism: Ferromagnetic domains; Hysteresis loops, magnetostriction and magnetoelectricity, origin of Hysteresis due to domain wall movement; soft magnetic alloys.
UNIT-IV : (Learning Objectives: To study the factors determining permeability of metals and alloys and other concepts associated with magnetic permeability)
Factors determining the permeability of metals and alloys; Effect of fundamental properties on permeability, Ni-Fe alloys, Fe-Co alloys, high permeability of iron and ferritic iron, Si – Fe alloys and Cu – Ni alloys.
UNIT-V : (Learning Objectives: To learn the properties and applications of ferro and ferri magnetic materials) Amorphous ferromagnetic alloys and Ferro fluids: Preparation and structure of amorphous ferromagnetic and its application; Ferro fluids. Ferri magnetic material; Spiral structure; Theory of ferrimagnetisms; magnetic structures of ferrites; permeability of ferrites; stress-induced anisotropy in ferrites; Applications of soft ferrites.
UNIT-VI : (Learning Objectives: To get acquainted with the properties, applications and other aspects of permanent magnetic materials)
Permanent magnetic materials: Energy product of a permanent magnet material; Behavior of permanent magnets under dynamic or recoil conditions; Alnicos; Fe- Cr-Co alloys. Cu-Ni-Fe and Cu-Ni-Co alloys; Fe-Co-Mo alloys, Pt-Co alloys; Permagnent, magnets based on the intermetallic compound Sm2 Cal2 Coercivity mechanisms; Applications of permanent magnetic; Temperature dependence of magnetic properties of permanent magnets;
(Assessment: The student should be evaluated based on the assignments and objective tests. Emphasis should be given by conducting tutorial classes (With a focus on academically weak students) at the end of each unit.)
TEXT BOOKS
- R.E. Hummel: Electronic Properties of materials.
- R.A. Macurie: Ferromagnetic Materials structure and properties.
- REFERENCE
- An Introduction to Materials science-H.L.Mancini.
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