Ontology highlight
ABSTRACT:
SUBMITTER: Ge S
PROVIDER: S-EPMC4101472 | biostudies-literature | 2014 Jul
REPOSITORIES: biostudies-literature
Scientific reports 20140717
Coherent longitudinal acoustic phonon is generated and detected in multilayer Molybdenum Disulphide (MoS2) with number of layers ranging from 10 to over 1300 by femtosecond laser pulse. For thin MoS2, the excited phonon frequency exhibits a standing wave nature and shows linear dependence on the sample thickness. The frequency varies from 40 GHz to 0.2 THz (10 layers), which promises possible application in THz frequency mechanical resonators. This linear thickness dependence gradually disappear ...[more]