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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
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
Further information
Physics
Assessment of knowledge
Initial assessment / Main session
| Type of assessment | Nature of assessment | Duration (in minutes) | Number of tests | Evaluation coefficient | Eliminatory evaluation mark | Remarks |
|---|---|---|---|---|---|---|
| Final inspection | Written | 60 | 1 |
Second chance / Catch-up session
| Type of assessment | Nature of assessment | Duration (in minutes) | Number of tests | Evaluation coefficient | Eliminatory evaluation mark | Remarks |
|---|---|---|---|---|---|---|
| Final test | Written | 60 | 1 |