TY  - JOUR
AB  - Scanning tunneling microscopy measurements across isolated straight step edges on a Cu(111) surface were carried out for biases between 100 mV and 5 V. In addition to the well known surface state oscillations, and at lower sample bias than the onset of the two-dimensional surface image state, a sharply defined linear protrusion, was observed at the top of the step faces. This linear feature is interpreted as a one-dimensional image state at the step, with its energy modified by a dipolar potential whose appearance is attributed to Smoluchowski smoothing of the electron density at the step edge.
DA  - 2003
DO  - 10.1103/PhysRevB.67.205416
LA  - eng
IS  - 20
M2  - 205416
PY  - 2003
SN  - 1098-0121
SP  - 205416-
T2  - Physical Review B
TI  - STM observations of a one-dimensional electronic edge state at steps on Cu(111)
UR  - https://nbn-resolving.org/urn:nbn:de:0070-pub-29138614
Y2  - 2024-11-22T07:04:45
ER  -