Image of the Month

October 2005

Decagonal Al-Ni-Co quasicrystal

PanScan Freedom Helium Free

Microscope:
RHK UHV 350
Controls:
SPM 1000

Description:
STM image of decagonal
Al-Ni-Co quasicrystal surface, showing both of periodicity and aperiodicity on the surface. Taken with an RHK UHV 350.

Courtesy of:
M. Salmeron, Jeong Young Park, D. Ogletree,
P. Canfield, C. Jenks and
P. Thiel

Lawrence Berkley Lab, University of California