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Mode-selective Raman imaging of metal-organic frameworks reveals surface heterogeneities of single HKUST-1 crystals
Matheus Esteves Ferreira, Mariana Del Grande, Felipe Lopes Oliveira +6
Metal organic frameworks (MOFs) are nanoporous materials with high surface-to-volume ratio that have potential applications as gas sorbents. Sample quality is, however, often compr…
Nano-optical investigation of grain boundaries, strain and edges in CVD grown MoS monolayers
Frederico B. Sousa, Rafael Battistella Nadas, Rafael Martins +6
The role of defects in two-dimensional semiconductors and how they affect the intrinsic properties of these materials have been a wide researched topic over the past decades. Optic…
The limits of Near Field Immersion Microwave Microscopy evaluated by imaging bilayer graphene Moiré patterns
Douglas A. A. Ohlberg, Diego Tami, Andreij C. Gadelha +11
Molecular and atomic imaging required the development of electron and scanning probe microscopies to surpass the physical limits dictated by diffraction. Nano-infrared experiments…
Power dependence of Klyshko's Stokes-anti-Stokes correlation in the inelastic scattering of light
Carlos A. Parra-Murillo, Marcelo F. Santos, Carlos H. Monken +1
The Stokes and anti-Stokes components in the inelastic scattering of light are related to phonon statistics and have been broadly used to measure temperature and phonon lifetimes i…
Quantifying defects in graphene via Raman spectroscopy at different excitation energies
L. G. Cançado, A. Jorio, E. H. Martins Ferreira +7
We present a Raman study of Ar(+)-bombarded graphene samples with increasing ion doses. This allows us to have a controlled, increasing, amount of defects. We find that the ratio b…
Atomistic Simulations of the Mechanical Properties of 'Super' Carbon Nanotubes
Vitor R. Coluci, Nicola M. Pugno, Socrates O. Dantas +2
The mechanical properties of the so-called `super' carbon nanotubes (STs) are investigated using classical molecular dynamics simulations. The STs are built from single walled carb…