Microscope:
Unisoku USM-1300

Controls:
SPM 1000 Control System

Description :
Empty stm state image of Si(111)- v3 x v3 Ag surface taken at 5 K.

Imaging Conditions:
-1.5V, 200 pA

Courtesy of:
M. Ono, Y. Nishigata,T. Nishio T. Eguchi, Y. Hasegawa
The University of Tokyo

PRL 96, 016801 (2006)