Thermoelectric Materials

To optimize thermoelectric devices, thermal properties must be known. The thermal conductivity has a direct impact on the efficiency of a thermoelectric material.

The thermal stability (analyzed with TGA or DSC) yields information on the maximum service temperature.

STA-MS measurements are ideal for understanding the thermal stability of thermoelectric components.


Differential Scanning Calorimetry (DSC) can be used for the analysis of phase transitions or specific heat.

In thermoelectric research, it is common for the structure to affect the properties, such as electrical conductivity. With a well-designed DSC analysis, researchers can record phase changes occurring during the thermal cycles. The thermal stability and any repeating phase changes are examined with temperature cycling.

Our LFA models carry out fast and reliable thermal conductivity measurements by flash diffusivity methods on small and thin samples across the entire spectrum of possible materials and temperatures.

For the precise measurement of thermal diffusivity, specific heat and thermal conductivity, the LaserFlash technique (LFA) has proven itself as a fast, versatile and exact absolute method.


DIL or DMA methods are used to characterize the thermal expansion and the visco-elastic properties of materials, allowing for the analysis and prediction of thermal stresses in a real device.

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Our product recommendation for you:

DSC 204 F1 Phoenix®
Very high sensitivity and resolution can be realized with this premium Differential Scanning Calorimeter (DSC), which also features an automatic sample changer (ASC), temperature modulation (TM-DSC), baseline optimization (BeFlat®), correction of thermal resistance and time constants (DSC-correction), even coupling to QMS and FTIR as well as UV-extension for photo-calorimetry.
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DSC 404 F1 Pegasus®
The new NETZSCH DSC 404 F1 Pegasus®, High-Temperature Differential Scanning Calorimeter, allows the determination of specific heat and caloric effects in a broad temperature range with outstanding reliability, best resolution and accuracy. The high vacuum tight design, various furnaces and sensors, easily interchangeable by the user, make the new DSC 404 F1 Pegasus® to an ideal tool for DSC measurements at the highest level for research at universities and development tasks at the industrial sector.
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STA 449 F1 Jupiter®
With the introduction of the new STA 449 F1 Jupiter® NETZSCH is setting new standards. Unlimited configuration flexibility and unmatched performance are the foundations for a great variety of application possibilities in the fields of ceramics, metals, plastics, and composites over a broad temperature range (-150...2400°C).
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QMS 403 C Aëolos®
The QMS 403 Aëolos® is a very compact mass spectrometer with a heated capillary inlet system, specially designed for routine analysis of volatile decomposition products of thermal analysis (instrument for EGA: evolved gas analysis).
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LFA 457 MicroFlash®
The LFA 457 MicroFlash® is the most modern product for the determination of the two thermophysical properties, thermal diffusivity and conductivity, in the range from -125°C to 1100°C. Its compact, vacuum-tight construction, automatic sample changer and functional software guarantee the highest effectiveness for challenging materials testing.
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LFA 427
Outstanding attributes of the LFA 427 are high precision and reproducibility, short measuring times, variable sample holders and precisely adjustable atmosphere conditions in the application range from -120°C to 2800°C. The LFA 427 is the most powerful LFA system for use in research & development.
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LFA 447 NanoFlash®
In the LFA 447 NanoFlash®, a powerful Xenon flash lamp is used instead of the laser used in other LFA instruments. An integrated sample changer and easy accessibility to the sample receptacle allow high sample throughput for routine applications up to 300°C.
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