Difference between revisions of "BielefeldGED:Equipment"

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The most recent paper <bib id="BergerZFN2009" /> about this improved gas electron diffractometer contains lots of details.
 
The most recent paper <bib id="BergerZFN2009" /> about this improved gas electron diffractometer contains lots of details.
  
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==== Current state ====
  
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{| class="wikitable"
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| [[File:Bielefeld_GED_Instrument_2013_1.jpg|200px]]
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| [[File:Bielefeld_GED_Instrument_2013_2.jpg|200px]]
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| [[File:Bielefeld_GED_Instrument_2013_3.jpg|200px]]
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| [[File:Bielefeld_GED_Instrument_2013_4.jpg|200px]]
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| [[File:Bielefeld_GED_Instrument_2013_5.jpg|200px]]
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| [[File:Bielefeld_GED_Instrument_2013_6.jpg|200px]]
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|}
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==== History ====
 
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| [[File:Bielefeld_GED_Instrument_May2011.jpg|200px|thumb|May 2011, heavily improved control panel]]
 
| [[File:Bielefeld_GED_Instrument_May2011.jpg|200px|thumb|May 2011, heavily improved control panel]]
 
| [[File:Bielefeld_GED_Instrument_2012.png|200px|thumb|The instrument in 2012]]
 
| [[File:Bielefeld_GED_Instrument_2012.png|200px|thumb|The instrument in 2012]]
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|}
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=== Pumps ===
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==== Backing Pumps ====
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Backing (fore-vacuum) pumps for the diffusion and turbo pumps:
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{| class="wikitable"
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| [[File:Bielefeld_VorvakuumP_2013_1.jpg|200px]]
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| [[File:Bielefeld_VorvakuumP_2013_2.jpg|200px]]
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|}
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==== Diffusion Pumps ====
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New diffusion pump, installed in December, 2013:
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{| class="wikitable"
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| [[File:Bielefeld_NDiffusionP_2013_1.jpg|200px]]
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| [[File:Bielefeld_NDiffusionP_2013_2.jpg|200px]]
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| [[File:Bielefeld_NDiffusionP_2013_3.jpg|200px]]
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|}
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Old diffusion pump:
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{| class="wikitable"
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| [[File:Bielefeld_ODiffusionP_2013_1.jpg|200px]]
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| [[File:Bielefeld_ODiffusionP_2013_2.jpg|200px]]
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|}
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==== Turbo Pumps ====
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Turbo pump attached to the electron gun:
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{| class="wikitable"
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| [[File:Bielefeld_TurboP_2013_1.jpg|200px]]
 
|}
 
|}
 
=== Sector ===
 
=== Sector ===
 
 
{| class="wikitable"
 
{| class="wikitable"
 
| [[File:Bielefeld_Sector_2006.jpg|200px]]
 
| [[File:Bielefeld_Sector_2006.jpg|200px]]
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=== Inlet Systems ===
 
=== Inlet Systems ===
 
 
==== Room-temperature Nozzle ====
 
==== Room-temperature Nozzle ====
 
 
 
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Revision as of 17:34, 20 December 2013

This page contains description of equipment used by GED group in Bielefeld.

Instrument

The reconstructed Balzers Eldigraph KD-G2 (one of only two still existing ones worldwide) is presently in use in the laboratory. The most recent paper [BergerZFN2009]Author: Berger, Raphael J. F.; Hoffmann, Manfred; Hayes, Stuart A.; Mitzel, Norbert W.
Journal: Z. Naturforsch B
Number: 11
Pages: 1259-1268
Title: An Improved Gas Electron Diffractometer -- The Instrument, Data Collection, Reduction and Structure Refinement Procedures
Volume: 64
Year: 2009
Link to Google Scholar
about this improved gas electron diffractometer contains lots of details.

Current state

Bielefeld GED Instrument 2013 1.jpg Bielefeld GED Instrument 2013 2.jpg Bielefeld GED Instrument 2013 3.jpg Bielefeld GED Instrument 2013 4.jpg Bielefeld GED Instrument 2013 5.jpg Bielefeld GED Instrument 2013 6.jpg

History

GED instrument in April 2006 (Uni-Münster)
The apparatus with new gun, power supply and recording system (image plates), Jun 2007
November 2007, the apparatus is already in Uni-Bielefeld
September 2009, more control devices
May 2011, heavily improved control panel
The instrument in 2012


Pumps

Backing Pumps

Backing (fore-vacuum) pumps for the diffusion and turbo pumps:

Bielefeld VorvakuumP 2013 1.jpg Bielefeld VorvakuumP 2013 2.jpg

Diffusion Pumps

New diffusion pump, installed in December, 2013:

Bielefeld NDiffusionP 2013 1.jpg Bielefeld NDiffusionP 2013 2.jpg Bielefeld NDiffusionP 2013 3.jpg


Old diffusion pump:

Bielefeld ODiffusionP 2013 1.jpg Bielefeld ODiffusionP 2013 2.jpg

Turbo Pumps

Turbo pump attached to the electron gun:

Bielefeld TurboP 2013 1.jpg

Sector

Bielefeld Sector 2006.jpg Bielefeld Sector 2013 1.jpg Bielefeld Sector 2013 3.jpg

Inlet Systems

Room-temperature Nozzle

Inlet device for room temperatures (used by Heinz Oberhammer).
Nozzle tip.

References

[BergerZFN2009]Berger, Raphael J. F.; Hoffmann, Manfred; Hayes, Stuart A.; Mitzel, Norbert W. (2009): An Improved Gas Electron Diffractometer -- The Instrument, Data Collection, Reduction and Structure Refinement Procedures. Z. Naturforsch B, 64, 1259-1268Link to Google Scholar
[ReuterZNB2016]Reuter, Christian G.; Vishnevskiy, Yury V.; Blomeyer, Sebastian; Mitzel, Norbert W. (2016): Gas electron diffraction of increased performance through optimization of nozzle, system design and digital control. Zeitschrift für Naturforschung B, 71, 1-13Link to Google Scholar