Vibrational spectroscopy technique enables nanoscale mapping of molecular orientation at surfaces

Sum-frequency generation (SFG) is a powerful vibrational spectroscopy that can selectively probe molecular structures at ...
EurekAlert!

Pioneering second-order nonlinear vibrational nanoscopy for interfacial molecular systems beyond the diffraction limit

Sum-frequency generation (SFG) is a powerful vibrational spectroscopy that can selectively probe molecular structures at ...
Nanowerk

Near field sum frequency spectroscopy reaches ten nanometre resolution

Plasmonic nanogap confinement extends sum frequency vibrational spectroscopy to the nanoscale, enabling direct imaging of ...
EurekAlert!

Detecting vibrational sum-frequency generation signals from molecules confined within a nanoscale gap using a tightly confined optical near-field

Vibrational sum-frequency generation (VSFG) is a nonlinear spectroscopic method widely used to investigate the molecular structure and dynamics of surface systems. However, in far-field observations, ...
Saint Louis University

Vasileios Balos, Ph.D.

Álvaro Diaz-Duque; Vasileios Balos; Alexander P. Fellows; Martin Wolf; Martin Thämer. 2025. Depth-Resolved Vibrational SFG/DFG Spectroscopy of the Anisotropic Water ...