73.20.-r Surface and interface electron states ( 0 Dok. )

• 73.20.At Surface states, band structure, electron density of states ( 0 Dok. )
• 73.20.Dx Electron states in low-dimensional structures (superlattices, quantum well structures and multilayers) ( 0 Dok. )
• 73.20.Fz Weak or Anderson localization ( 0 Dok. )
• 73.20.Hb Impurity and defect levels; energy states of adsorbed species ( 0 Dok. )
• 73.20.Jc Delocalization processes ( 0 Dok. )
• 73.20.Mf Collective excitations (including plasmons and other charge-density excitations) ( 0 Dok. )