Equipment for electrical characterization

Ferroelectric test system

Radiant Technology Precision LC 10V, connected with an external amplifier Trek 609A-3 and a photonic sensor MTI-2000.

• For measurements of hysteresis loops, pulse polarization, fatigue, ageing, leakage and resistance as well as piezoelectric characteristics.
• Hysteresis-loop frequency: max. 250 Hz
• Amplification: 1000x
• Temperature interval: -170 - 200°C (Delta chamber)

System for electric-field tunability measurements

The system includes DC-bias source, amplifier, LCR meter and bias tee (Picoseconds 5531).

• The system includes DC-bias source, amplifier, LCR meter and home-made AC and DC bias connectors.
• For determination of DC-bias dependence of dielectric properties, suitable for bulk materials.
• DC current: max. 3 kV
• Measurement frequency: max. 1MHz
• Temperature interval: -170 - 200°C (Delta chamber)

System for mechanical-stress tunability measurements

Home-made lever connected with LCR meter.

• For determination of axial-pressure dependence of dielectric properties.
• Mechanical load: max. 200 MPa
• Measurement frequency: max. 1MHz
• Temperature interval: -170 - 200°C (Delta chamber)

Impedance analyzer

Keysight E4990A dielectric measurement system for solid and semi-solid bulk materials as well as thin films.

Source measurement unit (SMU)

Keithley 2470 high voltage source measurement unit. For determining the energy consumption and I-V characteristics of various DUTs.

•    max 1100V or 1A
•    6.5 digit accuracy down to a range of 10fA or 100nV
•    4 quadrant measurements
•    automatic I-V loop measurements