Overview
The MatMeas SPD Powder Corona Polarization Instrument provides an advanced solution for the polarization of powdery functional materials. By employing a high-intensity corona discharge method, it aligns dipole domains in loose or compacted powder samples without requiring pre-sintering or complex electrode preparation. The system features a robust safety enclosure, high-voltage insulation, and precise voltage adjustment, making it ideal for ferroelectric and piezoelectric material R&D in universities and advanced research institutes.
Specifications
| Parameter | Value |
| Polarization Principle | Corona discharge ion flow polarization |
| Target Materials | Powder ferroelectrics, piezoelectrics, pyroelectrics |
| Voltage Range | 0 to 30 kV DC |
| Sample State | Loose powder, compacted powder disks |
| Safety Features | High-voltage isolation, current limiter, safety interlock |
| Brand | MatMeas |
Applications
- Powdery ferroelectric and piezoelectric material activation
- Pyroelectric and electret material preparation
- Nonlinear optical material polarization research
- Advanced functional material laboratory screening
FAQ
What is the primary polarization principle of SPD?
SPD utilizes high-intensity ion flow generated by corona discharge to apply a DC high-voltage electric field to loose or slightly compacted powder samples. This aligns the spontaneous polarization electric domains within the powdery materials to activate their piezoelectric, pyroelectric, or nonlinear optical properties.What sample forms are supported by the powder poling fixture?
It supports loose powders, slightly compacted powder disks, and bulk powder samples in specialized insulating containers.Is the SPD polarization instrument safe to operate at high voltages?
Yes, it is designed with high-voltage isolation, current limiters, and safety interlocks to prevent electrical breakdown and protect operators during the corona poling process.
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