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(a) LEED pattern
of the 
phase formed by F4TCNQ
on Ag(111)
recorded at an electron energy of 30 eV. The arrows indicate <110>
azimuthal directions (b) LEEDpat simulation of the expected LEED pattern
from this phase. The different colors correspond to different rotational
and mirrored domains; the reciprocal unit mesh of one domain is superimposed.
