Universality in the Photophysics of pi-Conjugated Polymers and Single-Walled Carbon Nanotubes

Universality of the Scaling Law for Ferroic Domains

Universality, the Barton, Namikawa, and Nakajima relation, and scaling for dispersive ionic materials

Unlayered graphenes in red-giant starsmoke

Unoccupied electronic states of Au(113): theory and experiment

Unoccupied states of individual silver clusters and chains on Ag(111)

Unraveling the acoustic electron-phonon interaction in graphene

Unraveling the Jahn-Teller effect in Mn doped GaN using the Heyd-Scuseria-Ernzerhof hybrid functional

Unraveling the Role of Morphology on Organic Solar Cell Performance

Unravelling the origin of the controversial magnetic properties of BiFeO3 thin films

Unravelling the role of the interface for spin injection into organic semiconductors

Unrestricted Hartree-Fock theory of Wigner crystals

Unsteady Crack Motion and Branching in a Phase-Field Model of Brittle Fracture

Unusual behaviour of the ferroelectric polarization in PbTiO$_{3}$/SrTiO$_{3}$ superlattices

Unusual Coarsening During Phase Separation in Polymer Systems

Unusual compressibility in the negative-thermal-expansion material ZrW2O8

Unusual Compression Behavior of Columbite TiO2 via First-Principles Calculations

Unusual conductance of polyyne-based molecular wires

Unusual Dielectric Relaxation in Lightly Doped n-Type Rhombohedral BaTi0.85Zr0.15O3:Ta Ferroelectric Ceramics

Unusual dynamics of Fe atoms in chromium matrix