####################################################
# Ruqing Xu <ruqingxu@uiuc.edu>
# requesting 5 days, at minimum=4 days
# beamline 33BM, Cu TDS
# instrument 33BM-C fourc
####################################################
# top:/home/www/beamtime-requests/req00983.txt
# UNICAT Member Beam Time Request  #983
# Original UNICAT Member Beam Time Request  #951
# created Sat Apr 29 02:33:08 CDT 2006
####################################################

apsrun:
	2006-02

beamline:
	33BM

collaboration:
	Yes

collaborator_Hawoong:
	ON

contact:
	ruqingxu@uiuc.edu

days:
	5

description:
	We'll do line scans of TDS intensities from Cu single crystal at various temperatures from 10K to 300K .

The April 2006 experiment on this topic generated some useful data but due to the sample quality and limited time those data were not enough to make accurate "direct inverstion" of the phonon frequencies. A better sample and a beamtime of 4 days or more would be helpful in this next run.

equipment_required:
	displex, vacuum pumps

experiment:
	Cu TDS

foreign_nationals:
	Ruqing Xu
Hawoong Hong
Jaseung Ku

hazards:
	Cu sample may need etching with HNO3, which is corrosive and poisonous.

instrument:
	33BM-C fourc

instrument_other:
	

minimumdays:
	4

name:
	Ruqing Xu

nonmembers:
	

submit:
	Submit

unacceptable_dates:
	

z34ID_details:
	


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