Electromagnetically induced absorption (EIA) is a subtle quantum optical phenomenon wherein the application of coherent light fields to an atomic vapour engenders an unexpected increase in absorption ...

Transitions between different electronic energy levels in elements occur at unique energies and intensities, giving each element a distinctive emission spectrum. When the energy of an incident photon ...

What is X-ray Absorption Spectroscopy (XAS)? X-ray Absorption Spectroscopy (XAS) is a powerful analytical technique that probes the local atomic and electronic structure of materials by measuring the ...