#
# arev:/usr/local/unicat/unireq/beamreq/req00166.txt
# UNICAT Member Beam Time Request  #166

# created Thu Mar 08 16:27:21 CST 2001
#

collaboration:
	Yes

contact:
	h-hong@uiuc.edu

days:
	7

description:
	In the last run, growth of Ag islands on Si(111) at low temperatures and annealing was studied. 1.5, 3, 4.5 and 6 ML have been studied.
	On annealing, 3 %26 4.5 ML films were observed to go through two height-
	transitions at identical temperatures. 1.5 ML did no show the same behavior.
	Other coverages should be tried to see whether these transition is
	trully from quantum size effect or thermal. Also, we will try to meausure the lateral sizes of islands and separation between them. Substrates should be changed for each deposition. Expected turn- around time for bake-out and outgasing is 32 hrs. Allocation of multiple 16-24 hr slots scattered will be welcomed.

equipment+required:
	Roper CCD

experiment:
	Growth of metal nanocrystals at low temperature (II)

foreign+nationals:
	Zhongming Wu, Hawoong Hong

hazards:
	LN2 use

minimumdays:
	3

name:
	Hawoong Hong

new+request:
	on

nonmembers:
	

station:
	33ID-E

unacceptable+dates:
	6/13



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