High temperature ferroelectric tester is an instrument used to test the properties of ferroelectric materials. It can measure the electrical properties of ferroelectric materials at high temperatures and study the relationship between their ferroelectric properties and external conditions such as temperature and pressure. Based on the principle that ferroelectric materials exhibit polarization under the action of an electric field, the relationship between their ferroelectric properties and external conditions such as high temperature and pressure is studied by measuring electrical parameters such as voltage, current, and resistance.
Basic components of the testing host: usually using precision measurement circuits, it can measure the voltage, current, resistance, etc. of ferroelectric materials and record the data.
High temperature testing furnace: a closed heating device that can simulate different temperature and pressure environments to study the performance of ferroelectric materials in different environments.
Electrode: The part used to come into contact with the tested ferroelectric material, usually made of a metal material with good conductivity.
When using a ferroelectric tester, attention should be paid to key steps such as sample preparation, instrument calibration, and testing operations to ensure data accuracy and equipment safety. The following are specific precautions:
sample preparation
Size and shape: The sample should be in the form of a sheet, with a thickness typically ranging from tens of micrometers to a few millimeters, and the area should meet the requirements of the instrument.
Surface treatment: The surface needs to be highly flat and smooth, with a roughness that meets the standard, and requires grinding and polishing treatment.
Cleanliness: Remove impurities such as oil stains and dust, and can be cleaned with ethanol or acetone and dried.
electrode preparation
Material selection: Commonly used silver electrodes and gold electrodes must be compatible with the sample and have good conductivity.
Preparation method: Sputtering method is used to ensure uniform and firm adhesion of the electrode.
Instrument operation
Calibration: Before testing, it is necessary to calibrate the instrument parameters to ensure measurement accuracy.
Grounding: The instrument needs to be grounded during testing to avoid electromagnetic interference and leakage.
Connection: The contact between the electrode and the sample should be reliable, and the circuit should avoid being too long or tangled.