#
# arev:/usr/local/unicat/unireq/beamreq/req00066.txt
# UNICAT Member Beam Time Request  #66

# created Mon Jun 28 14:44:12 CDT 1999
#

days:
	6

description:
	Deposition of Sn on a clean Ge(111)-c(2x8) surface is known to 
	incite a number of surface reconstructions depending on the
	coverages and annealing temperatures. For example, at 
	submonolayer coverage and an annealing temperature of 250-300 
	degree C, a (square root 3 by square root 3)R30 degree 
	reconstruction is formed. In-plane and rod scans will be 
	performed to study the structure in detail. Anomolous scattering
	will also be used to determine the atomic positions of Sn.

equipment+required:
	Surface chamber

experiment:
	Surface reconstruction on Ge(111) induced by Sn

hazards:
	No hazardous materials and procedures.

name:
	Tai C. Chiang

new+request:
	on

nonmembers:
	

station:
	33ID-E

unacceptable+dates:
	



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