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Manual_Positions

PHOTODIODE (photon counts)
1=ground
2=BNC

TRANSFER&EVAPORATION Positions

Normal photon beam incidence: 178.5 degree. Normal electron emission: 238.5 degree. Normal photon emission: 118.5 degree. 

TRANSFER x y z theta NOTES
           
  28 20 24.9 (1.0) 180 RT
           
IMPORTANT: Before rotating and during the rotation, always watch and monitor the sample holder through the CF40 window on top of the chamber. Also look at the monitor with the camera (camera 3) watching the LEED. There is high risk of hitting the MCP or the analyser or the LEED!!
 
EVAPORATION x y z theta
Co-Position2 Omicron Triple
(sept 2018)*
*sample in a lower right position
30 26.9 10.1 (1) 335°
Co-Position2 Omicron Triple
(march 2016)*
Sample ~ centerPBN
26.5 25.3 9.8(2.0) 335°
Ti-Position 1-Omictron Triple (sep 2012) 20 31.69 9.35 335°
Mn
2-Triple
(centro Si)
21.55 24.3 9.45 335°
Pd
2-Triple
(centro PBN)
May 2013
24.9 25.3 9.8 (2) 335°
3-Triple        
Fe Single
(sep. 2012)
25.0 32.5 24.8 304*
Fe single
ebeam holder Nov2014 (Pt111)
20.2 33.63 25 306
Y single
may 2013
26 35.2 25.1 304*
IMPORTANT: In order to switch off the Omicron evaporators:
1. Turn HV to min
2. Turn I to 0 A
3. Set the controller to STAND BY (IMPORTANT!!!!)
4. Wait for 30 minutes then close water (fist close IN then close OUT)
 

LEED&SPUTTERING Positions

LEED x y (CAREFUL!!) z theta
CENTER PBN 34.2 40 24.55 (1.8) 355
PBN-Pt111 mounted in the lower right position (Sept2018) 34.2 40 (LEED retracted 5 turns) 24.8 360
CENTER e-beam (VG LEED) 33 40 25.15 354.5
BEFORE LEED: Always turn on the Camera 3 before rotating the sample in front of the LEED. Do not rotate for y>25!


SPUTTERING x y z theta NOTES
grazing (33.5 microA on Ni) 23.4 (10/2013)
20.96 (23/7/13)
31.83 (10/2013)
28 (7/2013)
9.75 (2) 8 used in March 2015
(PBN)
  45 37.45 10 36 March2015
normal 21.7 40.7
31.35 (23/7/13)
9.75 54 old

IMPORTANT:BEFORE SPUTTERING! Close the last beamline Valve and Switch off the XPS before introducing Ar in the chamber.
Ar pressure=1.2 x10-6 mbar. Do not sputter more than 15 minutes.

SPUTTERING IN THE PREP: position 2, marker (quello più avanti quando il campione e' montato più in basso))

MAGNETIZATION x y z theta
grazing (33.5 microA on Ni) 29.2 ~~40 25 135
Last Updated on Thursday, 31 October 2019 13:57