How is Thermal Isolation Achieved at the Nanoscale?
Achieving thermal isolation at the nanoscale involves several techniques and materials:
Nanostructured materials: Using materials with specific nanoscale features can reduce thermal conductivity. Examples include nanoporous materials and aerogels. Phononic crystals: These are materials engineered to affect phonons (quantized units of vibrational energy) in ways that inhibit heat transfer. Thermal barriers: Thin films or coatings at the nanoscale that provide thermal resistance, such as those used in microelectronics.