Pregled bibliografske jedinice broj: 851054
Influence of surface electronic structure on quantum friction between Ag(111) slabs
Influence of surface electronic structure on quantum friction between Ag(111) slabs // Physical Review B - Condensed Matter and Materials Physics, 92 (2015), 12; 125424-125434 doi:10.1103/PhysRevB.92.125424 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 851054 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Influence of surface electronic structure on quantum friction between Ag(111) slabs
Autori
Despoja, Vito ; Silkin, Vyacheslav ; Echenique, Pedro ; Šunjić, Marijan
Izvornik
Physical Review B - Condensed Matter and Materials Physics (1098-0121) 92
(2015), 12;
125424-125434
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Quantum friction ; Metalic surfaces ; Acoustic plasmon
Sažetak
The theoretical formulation developed in Phys. Rev. B 83, 205424 (2011) is applied to explore how surface electronic structure modifies the noncontact friction force between two silver slabs. We find that the friction shows three distinct regimes for different thicknesses. For very thin slabs N = 1–7 monolayers (ML) quantum friction vs velocity shows oscillations which are due to the quantum size effect. At about 10ML friction rapidly increases because the surface state energies fall below EF , which opens a new intraband electron-hole excitation channel. And for N > 15 the friction is strongly enhanced due to the excitation of acoustic surface plasmons.
Izvorni jezik
Engleski
Znanstvena područja
Fizika
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
