Material characterization
Electrical Conductivity Measurement System
The Temperature Dependent Electrical Conductivity Measurement System is a fully computer-controlled research instrument designed for accurate electrical conductivity measurements of bulk pellets and thin-film samples from room temperature up to 600 °C under controlled atmosphere conditions. The system utilizes a precision four-probe DC measurement technique by SMU combined with programmable PID temperature control for highly reproducible conductivity measurements. The setup automatically performs temperature programming, electrical measurements, Ohmic contact verification, and data acquisition at a user-defined temperature profile. The instrument is suitable for thermoelectric materials, semiconductor characterisation, thin films, conductive polymers, functional materials, and energy materials research.
Safety & Construction
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Over-temperature protection - SSR protection
- Thermocouple failure protection
- Emergency shutdown
Technical Specifications
Operational Parameters
- Temperature Range Room temperature to 500 °C
- Electrical Conductivity Measurement Range 10^-2 to 10^6 S/m
- Conductivity Measurement Accuracy ±1-3 %
- Measurement Method Four-probe DC method
- Source Measurement Unit SMU Keithley 2450 Source-meter SMU Instrument
- Electrical Measurement Automatic current reversal method
- Sample Types Bulk pellets and thin films
- Probe Material Tungsten probes
- Temperature Controller PID programmable controller
- Temperature Stability ±0.5 °C
- Temperature Programming Ramp-soak programmable profiles
- Number Of Temperature Steps Maximum 100
- Atmosphere Low-pressure Helium gas
- Vacuum System Rotary vacuum pump
- Vacuum Range ~10^-2 to 10^-3 mbar
- Automation Fully computer-controlled
- Furnace Chamber Stainless steel
- Heating Element Kanthal resistance heating
- Furnace Insulation High-density ceramic fiber
- Cooling System Recirculating water chiller unit
- Power Requirements 200 V AC, single phase, 40 A
Power & Utilities
- Power Requirements 200 V AC, single phase, 40 A
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Primary Applications
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Semiconductor Research
Electrical conductivity characterization of semiconductor materials
Ceramic Conductivity Analysis
Measurement of electrical transport in ceramic composites
Energy Materials Testing
Conductivity evaluation of thermoelectric and battery materials
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