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Dielectric properties of materials

  • School / Prep

    ENSMAC

Internal code

PI7PPDMA

Description


Know the mechanisms of action of an electric field on a dielectric material
Be able to calculate the dipole moment of a molecule.
Be able to calculate the permittivity of a material from its polarizability (Clausius-Mossotti formula)
Know the principle of dielectric spectroscopy

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Teaching hours

  • CIIntegrated courses9,33h

Syllabus


Polarizability of a molecule

Introduction


The diplolar moment


The depolarizing field - Application to the capacitor




Polarization mechanisms

The different types of polarization
Clausius-Mossotti relationshipMossotti
Complex dielectric permittivity
Relaxation mechanisms C- Dielectric spectroscopy


Dielectric spectroscopy

Low-frequency spectroscopy
Microwave spectroscopy

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Further information

Physics

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Assessment of knowledge

Initial assessment / Main session - Tests

Type of assessmentType of testDuration (in minutes)Number of testsTest coefficientEliminatory mark in the testRemarks
Final inspectionWritten601

Second chance / Catch-up session - Tests

Type of assessmentType of testDuration (in minutes)Number of testsTest coefficientEliminatory mark in the testRemarks
Final testWritten601