Pressure is another critical parameter that affects the properties and synthesis of nanomaterials. High-pressure conditions can lead to the formation of unique crystal structures that are not achievable under normal conditions. For example, diamond anvil cell techniques can generate pressures high enough to study phase transitions at the nanoscale. Moreover, pressure can influence the mechanical properties of nanomaterials. For instance, applying pressure during the fabrication of carbon nanotubes can lead to variations in their strength and elasticity.
