BielefeldGED:Equipment: Difference between revisions
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| [[File:Bielefeld_GED_Instrument_2013_2.jpg|200px]] | | [[File:Bielefeld_GED_Instrument_2013_2.jpg|200px]] | ||
| [[File:Bielefeld_GED_Instrument_2013_3.jpg|200px]] | | [[File:Bielefeld_GED_Instrument_2013_3.jpg|200px]] | ||
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| [[File:Bielefeld_GED_Instrument_2013_4.jpg|200px]] | | [[File:Bielefeld_GED_Instrument_2013_4.jpg|200px]] | ||
| [[File:Bielefeld_GED_Instrument_2013_5.jpg|200px]] | | [[File:Bielefeld_GED_Instrument_2013_5.jpg|200px]] | ||
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| [[File:Bielefeld_GED_Instrument_Jun2007.JPG|200px|thumb|The apparatus with new gun, power supply and recording system (image plates), Jun 2007]] | | [[File:Bielefeld_GED_Instrument_Jun2007.JPG|200px|thumb|The apparatus with new gun, power supply and recording system (image plates), Jun 2007]] | ||
| [[File:Bielefeld_GED_Instrument_Nov2007.jpg|200px|thumb|November 2007, the apparatus is already in Uni-Bielefeld]] | | [[File:Bielefeld_GED_Instrument_Nov2007.jpg|200px|thumb|November 2007, the apparatus is already in Uni-Bielefeld]] | ||
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| [[File:Bielefeld_GED_Instrument_Sep2009.jpg|200px|thumb|September 2009, more control devices]] | | [[File:Bielefeld_GED_Instrument_Sep2009.jpg|200px|thumb|September 2009, more control devices]] | ||
| [[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]] | ||
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=== Pumps === | === Pumps === | ||
==== Backing Pumps ==== | ==== Backing Pumps ==== | ||
Backing (fore-vacuum) pumps | Backing (fore-vacuum) pumps: ''Edwards x05 Scrollpump Oilfree'' and ''Edwards E2M80'' oil pump. | ||
{| class="wikitable" | {| class="wikitable" | ||
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==== Diffusion Pumps ==== | ==== Diffusion Pumps ==== | ||
New diffusion pump, installed in December, 2013: | New diffusion pump (''Edwards Diffstak 250/2000P''), installed in December, 2013: | ||
{| class="wikitable" | {| class="wikitable" | ||
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==== Turbo Pumps ==== | ==== Turbo Pumps ==== | ||
Turbo pump attached to the electron gun: | Turbo pump (''Edwards EXT70H'') attached to the electron gun: | ||
{| class="wikitable" | {| class="wikitable" | ||
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=== Sector === | === Sector === | ||
A sin<sup>2</sup>-type sector (common formula is A*sin<sup>2</sup>(r/B)) is used. | |||
{| class="wikitable" | {| class="wikitable" | ||
| [[File:Bielefeld_Sector_2006.jpg|200px]] | | [[File:Bielefeld_Sector_2006.jpg|200px]] | ||
Revision as of 15:55, 17 February 2014
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 <bib id="BergerZFN2009" /> about this improved gas electron diffractometer contains lots of details.
Current state
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History
Pumps
Backing Pumps
Backing (fore-vacuum) pumps: Edwards x05 Scrollpump Oilfree and Edwards E2M80 oil pump.
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Diffusion Pumps
New diffusion pump (Edwards Diffstak 250/2000P), installed in December, 2013:
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Old diffusion pump:
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Turbo Pumps
Turbo pump (Edwards EXT70H) attached to the electron gun:
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Sector
A sin2-type sector (common formula is A*sin2(r/B)) is used.
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Inlet Systems
Room-temperature Nozzle
References
<biblist />