What are the remanent polarisation and coercive field?
P-E hysteresis
Performance Testing · Electrical & Electrochemical
Measure polarisation switching, coercive field, remanent polarisation and ferroelectric stability.
Why this service
Ferroelectric testing applies controlled electric-field waveforms to a contacted capacitor or bulk specimen. Hysteresis, pulse and fatigue routes distinguish switchable polarisation from leakage and…
P-E hysteresis
PUND or pulse testing
Fatigue, leakage or temperature study
Choose the scope
The method, preparation route and reporting depth depend on what you need to decide.
What are the remanent polarisation and coercive field?
How much of the response is genuinely switchable?
How do temperature, cycling or frequency change ferroelectric behaviour?
Common outputs
Fields, conditions, processing and file formats are confirmed before work begins.
Polarisation-electric field loop reported with the agreed units, sample reference and measurement conditions.
Coercive field and remanent polarisation supplied in a labelled format suitable for direct sample or condition comparison.
Switching-current or PUND response provided with the processing basis and quality checks agreed during technical review.
Fatigue or leakage trend included when selected in the confirmed reporting scope.
Sample requirements
Provide representative, clearly labelled samples and identify the decision, feature or comparison that matters.
| Suitable sample | Submission requirement | Planning note |
|---|---|---|
| Biological / soft material | Provide fixed, preserved or otherwise stabilised material in the agreed container and medium. | Declare biological hazards and confirm fixation, dehydration, temperature and disposal requirements. |
| Test coupon / specimen | Provide labelled specimens prepared to the agreed geometry, orientation and surface condition. | Confirm the applicable standard, dimensions, loading direction and number of replicates. |
| Device / assembly | Provide a complete labelled device or assembly with drawings, interfaces and operating limits. | Confirm power, connections, operating state, access restrictions and permitted disassembly. |
Objective: state the decision, comparison or acceptance criterion the work must support.
Handling and access: declare hazards, instability, confidentiality, file constraints or special logistics before dispatch or transfer.
Questions and answers
Short answers to issues that can change preparation, scope, timing or interpretation.
Not always. Leakage and dielectric charging can mimic an open loop, so pulse or frequency checks may be needed.
Typical turnaround is 10 working days after sample acceptance and method confirmation.
Configure the service