thermal diffusivity

What Techniques are Used to Measure Thermal Diffusivity in Nanomaterials?

Several techniques are employed to measure thermal diffusivity in nanomaterials. These include Time-Domain Thermoreflectance (TDTR), Frequency-Domain Thermoreflectance (FDTR), and 3-omega method. These methods involve applying a modulated heat source to the sample and analyzing the thermal response to determine the thermal diffusivity. Advanced techniques like scanning thermal microscopy can provide spatially resolved measurements at the nanoscale.

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