Ferroelectric Polarization Loop
& Dielectric Breakdown Test System
Functions
• General ferroelectric test functions such as
• Bipolar and unipolar hysteresis hoop
• PM – PUND measurement
• FM – Fatigue measurement
• This test system can measure the electrical
charge density of dielectric and ferroelectric
materials as a function of electrical field and
Black Color Test System frequency. The test is based on an improved
active Sawyer‐Tower Circuit.
• The system has integrated protection circuit to
protect the system even when the test
specimens experience dielectric breakdown
under high voltage.
• Working with external high voltage amplifier,
test can be performed at voltage >10 kV. No HV
10 interface required.
8 P(VDF‐TrFE) @ 25 C • Uniquely designed test fixture will not damage
soft polymer dielectric materials.
6 1. Dielectric breakdown test under AC, DC or
4 field endurance life.
2. Automatic ferroelectric test until dielectric
2
breakdown
0 3. Poling of piezo materials
‐2
‐4 • Internal ±100 V or ±200 V amplifier
• Voltage: > 10 kV to 30 kV
‐6 • Charges: <1 nC to >1 mC
‐8 • Frequency: 0.01 ~ 1000 Hz [CPE1801], or 10
kHz [CPE1901], or 300 kHz [CPE1901‐300k]
‐10
‐200 ‐150 ‐100 ‐50 0 50 100 150 200 • Provide TWO Sensor input to measure piezo
E (V/m) strain response (recommend low cost fotonic
1. Dielectric impedance, piezoelectric, pyro, sensor with resolution below 10 nm) or
and high voltage test system with low cost, Magnetoelectric option
d33 meter – design and build entire lab
2. Turnkey test systemwith software
3. Piezoelectric PVDF‐TrFE polymer and PVDF
film, PVDF‐TrFE‐CTFE polymer, etc Silver Color Test System
4. Low‐cost high quality piezoelectric single PolyK Technologies, State College, PA, USA;
crystal with quick delivery sale@polyk‐lab.com www.piezopvdf.com
2
Charge Density (C/cm )
Test Examples
15 10
12 PVDF, alpha PVDF, Poled
25 m, 100 Hz
9
5
6
3
0 0
‐3
‐6
‐5
‐9
‐12
‐15 ‐10
‐500 ‐400 ‐300 ‐200 ‐100 0 100 200 300 400 500 ‐300 ‐200 ‐100 0 100 200 300
E (V/m) E (V/m)
10 15
8 PVDF-TrFE at 25 C PVDF, UnPoled
PolyK 10 12 m, 100 Hz, No 2
6
4
5
2
0 0
‐2
‐5
‐4
‐6
‐10
‐8
‐10 ‐15
‐200 ‐150 ‐100 ‐50 0 50 100 150 200 ‐400 ‐200 0 200 400
E (V/m) E (V/m)
5 7
4 Blue: PTV
6 High-K, 10 Hz
3 PolyK Tech
2 5 6 mm diameter
1
4
0
‐1 3
‐2 2
‐3
‐4 1
‐5 0
‐200 ‐150 ‐100 ‐50 0 50 100 150 200 0 100 200 300 400
E (V/um) E (V/m)
Contact Information:
PolyK Technologies, State College, PA, USA; sale@polyk‐lab.com
www.polyktech.com www.piezopvdf.com
Charge 2
Charge Density (C/cm )
Charge Density ( 2
C/cm )
2
Charge Density (C/cm ) Charge Density ( 2
C/cm )
Charge Density
Low Cost Test System for
Ferroelectric & Strain
• For bulk ceramic and polymer
sample. Measure ferroelectric
charge and piezo strain
response.
• Probe station will be provided
for thin film test
• This sample holder can be
soaked in hot silicone oil for
high temperature
measurement with low cost.
PolyK Technologies, State College, PA,
USA; energy@polyktech.com
www.piezopvdf.com
Piezoelectric Displacement
Strain Test
• The Test System consists of:
1. MIT 2100 Fotonic Sensor System
2. PolyK Ferroelectric Test System (including computer)
3. A Trek high voltage amplifier
4. PolyK strain measurement fixture
5. A laptop
アルファコーポレーション合同会社
〒135-0063 東京都江東区有明3-7-26有明フロンティアB-9F
TEL.050-3302-1214 E-mail. info@alphacorp.ecweb.jp
website. https://www.alphacorp-lab.com
PolyK Technologies, State College, PA, USA; sale@polyk‐lab.com
www.piezopvdf.com