2010
DOI: 10.1103/physrevb.82.165444
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Three types of bulk impurity induced interference patterns on the (100) and (111) faces of Ne- and Ar-doped silver

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Cited by 21 publications
(15 citation statements)
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“…STM images of the prepared surface confirm the presence of Ar-filled subsurface cavities [ Fig. 1(a)] with cross sectional diameters in the 2.5-7 nm range, as previously reported at Al, Cu and Ag surfaces [36][37][38][39][40], and which result from the diffusion and aggregation during annealing of implanted Ar, most likely as Ar+vacancy complexes [41]. Spectra of dI/dV acquired atop their centers contain considerable structure [ Fig.…”
supporting
confidence: 80%
“…STM images of the prepared surface confirm the presence of Ar-filled subsurface cavities [ Fig. 1(a)] with cross sectional diameters in the 2.5-7 nm range, as previously reported at Al, Cu and Ag surfaces [36][37][38][39][40], and which result from the diffusion and aggregation during annealing of implanted Ar, most likely as Ar+vacancy complexes [41]. Spectra of dI/dV acquired atop their centers contain considerable structure [ Fig.…”
supporting
confidence: 80%
“…This is in contrast to theory [9-11] which predicts a long range visibility and oscillatory behavior of the spectral function of the itinerant electrons -the local density of states (LDOS). Models for tunneling through ad-atom systems have to treat the tip, its coupling to the localized impurity state, its coupling to the itinerant bulk electrons as well as surface states, and all interferences between alternative transport paths [10,11].During recent years STM was refined to investigate nano structures [12][13][14][15][16] or even single impurity atoms [17][18][19][20] which are buried below a metal surface. The interference pattern on the surface caused by the sub surface scattering centers are determined by the band structure of the underlying host material [17].…”
mentioning
confidence: 99%
“…During recent years STM was refined to investigate nano structures [12][13][14][15][16] or even single impurity atoms [17][18][19][20] which are buried below a metal surface. The interference pattern on the surface caused by the sub surface scattering centers are determined by the band structure of the underlying host material [17].…”
mentioning
confidence: 99%
“…Recently, it has been shown that the subsurface nanocavities in metals induce near-surface quantum wells (QW) [3][4][5][6][7][8] as well as several other interesting effects such as electron interference at the surface 6 and diffraction of internal electrons from a nanostructured interface. 7 Because the observation of all these effects is strongly dependent on the size, shape, and depth of the nanocavities and their interface structure, a study of the formation and evolution of subsurface nanocavities is of great scientific importance.…”
Section: Introductionmentioning
confidence: 99%