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 ...
IEEE

Multi-Scale Spatio-Temporal Representation-Based 3-D Long-Term Spectrum Prediction

Abstract: The recent advancements in space-air-ground-sea integrated networks necessitate accurate forecasting of future evolution patterns in the three-dimensional (3D) spatio-temporal spectrum.
IEEE

Spec-GNN: Spectrum Enforcement Through Graph Neural Networks in Dynamic Spectrum Access Systems

Abstract: The underlay access mode in dynamic spectrum access (DSA) systems permits secondary users to transmit concurrently with the primary user, provided that the cumulative interference imposed on ...
AZOM

High-Entropy Alloys in the Search for Hydrogen Storage Solutions

Compressing hydrogen demands high pressures; liquefying it requires extreme cooling. Both approaches carry energy penalties, safety considerations, and infrastructure costs that limit wider adoption.