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One-Dimensional Crystallographic Etching of Few-Layer WS
Shisheng Li, Yung-Chang Lin, Yiling Chiew +12
Layer number-dependent band structures and symmetry are vital for the electrical and optical characteristics of two-dimensional (2D) transition metal dichalcogenides (TMDCs). Harve…
Imaging of isotope diffusion using atomic-scale vibrational spectroscopy
Ryosuke Senga, Yung-Chang Lin, Shigeyuki Morishita +4
The spatial resolutions of even the most sensitive isotope analysis techniques based on light or ion probes are limited to a few hundred nanometres. Although vibration spectroscopy…
Coupling and decoupling of bilayer graphene monitored by electron energy loss spectroscopy
Yung-Chang Lin, Amane Motoyama, Pablo Solis-Fernandez +3
We studied the interlayer coupling and decoupling of bilayer graphene (BLG) by using spatially resolved electron energy loss spectroscopy (EELS) with a monochromated electron sourc…
Excitonic effects in energy loss spectra of freestanding graphene
Alberto Guandalini, Ryosuke Senga, Yung-Chang Lin +8
In this work we perform electron energy-loss spectroscopy (EELS) of freestanding graphene with high energy and momentum resolution to disentangle the quasielastic scattering from t…