Peter Sokalski
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View article: Fabrication of hierarchical sapphire nanostructures using ultrafast laser induced morphology change
Fabrication of hierarchical sapphire nanostructures using ultrafast laser induced morphology change Open
Sapphire is an attractive material that stands to benefit from surface functionalization effects stemming from micro/nanostructures. Here we investigate the use of ultrafast lasers for fabricating sapphire nanostructures by exploring the r…
View article: Fabrication of Hierarchical Sapphire Nanostructures using Ultrafast Laser Induced Morphology Change
Fabrication of Hierarchical Sapphire Nanostructures using Ultrafast Laser Induced Morphology Change Open
Sapphire is an attractive material in photonic, optoelectronic, and transparent ceramic applications that stand to benefit from surface functionalization effects stemming from micro/nanostructures. Here we investigate the use of ultrafast …
View article: Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide
Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide Open
Micro-Raman spectroscopy has become an important tool in probing thermophysical behavior in emerging functional materials such as two-dimensional (2D) layered structures. Localized heating by the focused Raman excitation laser beam is expe…
View article: Prediction of Hot Zone-center Optical Phonons in Laser Irradiated Molybdenum Disulfide with a Semiconductor Multitemperature Model
Prediction of Hot Zone-center Optical Phonons in Laser Irradiated Molybdenum Disulfide with a Semiconductor Multitemperature Model Open
Previous multitemperature model (MTM) resolving phonon temperatures at the polarization level and measurements have uncovered remarkable nonequilibrium among different phonon polarizations in laser irradiated graphene and metals. Here, we …