Systematic investigations are performed to understand the temperature-dependent optical properties of graphene on Si and SiO2/Si substrates by using a variable angle spectroscopic ellipsometry. The constants have revealed changes with substrate temperature. While refractive index (n) monolayer exhibited clear anomalous dispersions in visible near-infrared region (400–1200 nm), modification is m...

In this proposal the mechanical properties of natural and synthetic rubbers are studied under different temperatures both real ageing heat treatment conditions. For purpose, tire rubber bearing pad considered as they most governed in respectively. The experimental results confirm that impact temperature is higher on than because ambient aggravate thermal motion changes molecular arrangement oth...

Materials with thermal-invariant elastic properties are of interest for resonant device frequency and dimensional stability precision devices. Here, we demonstrate that the temperature coefficient elasticity (TCE) amorphous silica can be locally reduced using femtosecond laser irradiation. Notably, a self-organized laser-induced modification shows decrease TCE beyond 50%. The origin this dramat...