Course Details
Subject {L-T-P / C} : CR4304 : Electroceramics Laboratory { 0-0-3 / 2}
Subject Nature : Practical
Coordinator : Prof. Ranabrata Mazumder
Syllabus
1. Determination of frequency dependent dielectric constant and loss-factor of capacitors.
2. Determination of temperature coefficient of capacitance (TCC) and polymorphic phase transition temperature (if any) of linear dielectrics and nonlinear dielectrics.
3. Measurement of breakdown strength of dielectric at room temperature and at elevated temperature.
4. Poling of ferroelectric ceramic and measurement of piezoelectric voltage and charge coefficient
5. Measurement of Electromechanical coupling coefficient and Mechanical quality factor
6. Measurement of polarization-electric field (P-E) of different dielectric materials by sawer-tower circuit.
7. Study of grain and grain boundary resistivity/capacitance by Impedance analysis.
8. Temperature dependent conductivity of insulators/ semiconductors/conductor and Arrhenius plot for determination of activation energy of conduction.
9. Determination of Hall coefficient of n type and p type crystal.
10. Measurement of inductance of magnetic toroidal sample and calculation of permeability.
Course Objectives
- To provide in-depth knowledge about the characterization of the ceramic material for different electrical and electrochemical application.
- To characterize dielectric, ferroelectric, piezoelectric, magnetic, semiconducting and conducting ceramics.
- Apply the practical knowledge imparted during course to carry out independent research and developmental work related to ceramic materials for different emerging energy related applications.
- To prepare graduates for successful careers in R&D sector of industry, academia and research organizations.
Course Outcomes
CO1: To understand the fabrication of ceramic capacitor and measure the capacitance, dissipation factor, impedance with frequency and temperature of dielectric materials. To calculate TCC and permittivity of the dielectric. <br />CO2: To characterize the piezoelectric materials. <br />CO3: To measure the electrical conductivity by two probe and four probe method. In addition to study the Impedance spectroscopy to find out the electrical microstructure of ceramic sample. <br />CO4: To understand characterization of magnetic ceramics <br />CO5: Apply the practical knowledge imparted during course to carry out independent research and developmental work related to ceramic materials for different emerging energy related applications
Essential Reading
- A. J. Moulson and J. M. Herbert, Electroceramics: Materials, Properties and Applications, John Wiley and Sons , 2003
- R.Mazumder, Lab Manual of Electroceramics,
Supplementary Reading
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